Unit 1-scientific Method-integrated Science (7th And 8th Grade)
Assessment that covers the steps of the scientific method
Questions and Answers
- 1.
When the hyposthesis has been established, one should
- A.
Do nothing; this is the last step in the process.
- B.
Create an experiment to test the hypothesis.
- C.
Create a conclusion.
Correct Answer
B. Create an experiment to test the hypothesis.Explanation
After establishing a hypothesis, it is necessary to create an experiment to test it. This step is crucial in the scientific process as it allows researchers to gather evidence and data to support or refute their hypothesis. By designing and conducting an experiment, researchers can systematically investigate the validity of their hypothesis and draw meaningful conclusions based on the results obtained. Therefore, creating an experiment to test the hypothesis is an essential step in the scientific method.Rate this question:
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- 2.
A __________________ is a possible answer to a problem based on prior knowledge and research.
Correct Answer
hypothesisExplanation
A hypothesis is a possible answer to a problem based on prior knowledge and research. It is a statement that can be tested and proven or disproven through experimentation or further investigation. In scientific research, hypotheses are formulated to provide a starting point for inquiry and to guide the collection and analysis of data. They are essential in the scientific method as they allow researchers to make predictions and draw conclusions about the phenomena they are studying.Rate this question:
- 3.
The process containing a series of steps that is used by scientists to solve problems and answer questions is called
- A.
The metric system
- B.
A theory
- C.
The scientific method
- D.
A law
Correct Answer
C. The scientific methodExplanation
The scientific method is a process used by scientists to solve problems and answer questions. It involves a series of steps that include making observations, formulating a hypothesis, conducting experiments, analyzing data, and drawing conclusions. This systematic approach ensures that scientific investigations are conducted in a logical and objective manner, allowing for reliable and reproducible results. The metric system, on the other hand, is a system of measurement used in science and many other fields, but it is not the process used to solve problems and answer questions. A theory and a law are also not the correct answer as they refer to different concepts in science.Rate this question:
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- 4.
In an experiment, scientist need a __________________ to get a "baseline" or a starting point for the test being done. It is also the part of the experiment that is unchanged during the experiment process.
Correct Answer
controlExplanation
In an experiment, scientists need a control to get a "baseline" or a starting point for the test being done. The control is the part of the experiment that is unchanged during the experiment process. It is used as a comparison to measure the effects of the variables being tested.Rate this question:
- 5.
After the hypothesis has been tested and results are obtained, one should
- A.
Throw away all of the materials from the experiment
- B.
Never set foot in a laboratory again
- C.
Repeat the experiment and communicate the results to other scientists
Correct Answer
C. Repeat the experiment and communicate the results to other scientistsExplanation
After testing the hypothesis and obtaining results, it is important to repeat the experiment to ensure the reliability and validity of the findings. By repeating the experiment, scientists can confirm the accuracy of their results and identify any potential errors or inconsistencies. Additionally, communicating the results to other scientists is crucial for the advancement of knowledge and to allow for peer review and further analysis. This helps in validating the findings and contributing to the scientific community's understanding of the subject matter.Rate this question:
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- 6.
The information that is collected while the hypothesis is being tested is called
Correct Answer
dataExplanation
Data refers to the information that is collected during the testing of a hypothesis. It includes any observations, measurements, or facts that are gathered and analyzed to support or reject the hypothesis. Data is crucial in scientific research as it provides evidence and helps draw conclusions about the hypothesis being tested.Rate this question:
- 7.
If a scientist is not well informed on a particular topic, ______________ is required before a hypothesis can be correctly established.
- A.
Control
- B.
Dependent variable
- C.
Research
- D.
Independent variable
- E.
Data
Correct Answer
C. ResearchExplanation
If a scientist is not well informed on a particular topic, research is required before a hypothesis can be correctly established. Research involves gathering information, studying existing literature, and conducting experiments or surveys to gain a deeper understanding of the topic. This process helps the scientist gather relevant data and analyze it to form a hypothesis based on evidence and facts. Without research, the scientist may make assumptions or base their hypothesis on limited knowledge, which can lead to incorrect conclusions.Rate this question:
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- 8.
An experiment has factors that can be changed. The _______________________ changes based on other factors and is basically the data collected in an experiment. The ______________________ has been changed in comparison to the control but the change remains constant for the duration of the experiment.
- A.
Independent variable, dependent variable
- B.
Control, variable
- C.
Dependent variable, independent variable
Correct Answer
C. Dependent variable, independent variableExplanation
The dependent variable is the factor that changes based on other factors and is the data collected in an experiment. The independent variable is the factor that has been changed in comparison to the control, but the change remains constant for the duration of the experiment.Rate this question:
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- 9.
Which of the sentences below would be considered a hypothesis?
- A.
Are cells all the same size?
- B.
What causes trees to lose their leaves when the temperature falls below 50 degrees?
- C.
The shore line suffered extensive erosion as a result of a rough hurricane season.
Correct Answer
C. The shore line suffered extensive erosion as a result of a rough hurricane season.Explanation
The sentence "The shore line suffered extensive erosion as a result of a rough hurricane season" would be considered a hypothesis because it presents a possible explanation or prediction for a specific observation or phenomenon.Rate this question:
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- 10.
Scientists conduct experiements and can often discover the hyothesis created is proven to be incorrect through the data that was gathered. What should a scientist do if this occurs?
- A.
Never use the scientific method again
- B.
Create a theory based on the results
- C.
Repeat the experiment ; correct any mistakes
- D.
Repeat the experiment without making a hypothesis
Correct Answer
C. Repeat the experiment ; correct any mistakesExplanation
When a scientist conducts experiments and finds that the hypothesis they created is proven to be incorrect through the data gathered, they should repeat the experiment and correct any mistakes. This is because science is an iterative process, and repeating the experiment allows the scientist to verify the results and identify any errors or flaws in the methodology. By correcting these mistakes, the scientist can improve the experiment and potentially arrive at a more accurate conclusion.Rate this question:
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- 11.
If you could change the name of a quiz or test what would you call it?
- 12.
A scientist plants two rows of corn for experimentation. She puts fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the same amount of water and light intensity. She checks the growth of the corn over the course of 5 months. What is one controlled variable in this experiment?
- A.
Amount of fertlizer given to experimental group
- B.
Growth of corn
- C.
Type of fertilizer
Correct Answer
A. Amount of fertlizer given to experimental groupExplanation
In this experiment, the scientist is comparing the growth of corn in two different rows - one with fertilizer and one without fertilizer. The controlled variable in this experiment is the amount of fertilizer given to the experimental group. By keeping the amount of fertilizer constant, the scientist can ensure that any differences in the growth of corn between the two rows can be attributed to the presence or absence of fertilizer, rather than variations in the amount of fertilizer used.Rate this question:
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- 13.
Which sentence best describes the importance of using a control group?
- A.
When you use a control group you don't need a large sample size.
- B.
When you have a control group you don't have to do any calculations.
- C.
Control groups allow you to compare those recieving the variable and those that are not.
Correct Answer
C. Control groups allow you to compare those recieving the variable and those that are not.Explanation
Using a control group is important because it allows for a comparison between the group that receives the variable being tested and the group that does not. This comparison helps to determine the true effect of the variable by isolating it from other factors that may influence the outcome. Without a control group, it would be difficult to attribute any observed changes solely to the variable being tested. Therefore, control groups are crucial in research to ensure accurate and reliable results.Rate this question:
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- 14.
The measurable factor in an experiment is known as the
- A.
Independent variable.
- B.
Dependent variable
- C.
Controlled variable
Correct Answer
B. Dependent variableExplanation
The dependent variable is the measurable factor in an experiment that is influenced or affected by the independent variable. It is the variable that is being observed or measured to determine the outcome or results of the experiment. In other words, it is the variable that is dependent on the changes made to the independent variable. The controlled variable, on the other hand, is a factor that is kept constant throughout the experiment to ensure that it does not affect the results.Rate this question:
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- 15.
John is following the steps of his procedure and writing data in his data table. What step of the scientific method is he in right now?
- A.
Step 1
- B.
Step 2
- C.
Step 3
- D.
Step 4
- E.
Step 5
Correct Answer
C. Step 3Explanation
John is currently in Step 3 of the scientific method, which involves collecting and organizing data. He is following the steps of his procedure and writing data in his data table, which is a crucial part of this step. In Step 3, scientists gather information and evidence through observations and experiments to support or refute their hypothesis.Rate this question:
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- 16.
John is doing research to come up with an educated guess to explain his problem. What step is he currently working in?
- A.
Step 1
- B.
Step 2
- C.
Step 3
- D.
Step 4
- E.
Step 5
Correct Answer
B. Step 2Explanation
John is currently working in Step 2, which involves researching and gathering information to come up with an educated guess to explain his problem. In this step, John is likely gathering data, reading relevant literature, and seeking out expert opinions to gain a better understanding of the problem at hand. This research will help him form a hypothesis or educated guess about the possible explanations for his problem.Rate this question:
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- 17.
A _______ is something you create to show data after it has been analyzed. It contains a title, axis labels, and is usually colored.
Correct Answer
graphExplanation
A graph is a visual representation of analyzed data that includes a title, axis labels, and color coding. It is created to effectively display and communicate the findings of the data analysis. Graphs are commonly used in various fields such as mathematics, statistics, and science to present data in a clear and organized manner, making it easier for viewers to understand and interpret the information.Rate this question:
- 18.
Your ____ must state whether your hypothesis was supported by the data or not.
Correct Answer
conclusionExplanation
The conclusion is the part of your research or experiment where you summarize your findings and determine whether your hypothesis was supported by the data. It is a statement that explains the results and provides a final decision or judgement based on the evidence collected. The conclusion helps to validate or invalidate the initial hypothesis and allows others to understand the significance of the study.Rate this question:
- 19.
Suzy wanted to know if thicker candles burn longer than thinner candles. Her hypothesis was that if she used a thick candle that it would burn for the longest amount of time. She got ten candles that were all the same brand, height, smell, and color. The only difference in the candles was they were all a different size, She lit them at the same time and recorded how long it took for each candle to burn out. What was her independent variable?
- A.
Thickness of the candle
- B.
Length of time the candle burned
- C.
Color of the candle
Correct Answer
A. Thickness of the candleExplanation
The independent variable in this experiment is the thickness of the candle. Suzy is testing whether the thickness of the candle affects the length of time it takes to burn out. By keeping all other variables constant (brand, height, smell, and color), Suzy can isolate the effect of the candle's thickness on its burn time.Rate this question:
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- 20.
Janet wanted to see if the height of a person affected the length of their handspan. She measured three people's heights, and measured their handspans. She found that the taller a person is, the longer their handspan is. What is wrong with her experiment?
- A.
She tested too many variables at once.
- B.
She did not test a large enough sample of people.
- C.
She did not control all of the variables.
Correct Answer
B. She did not test a large enough sample of people.Explanation
The correct answer is that Janet did not test a large enough sample of people. To draw accurate conclusions about the relationship between height and handspan, it is important to have a sufficiently large sample size. Testing only three people may not provide enough data to establish a reliable pattern or correlation.Rate this question:
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- 21.
Hich of these statements is NOT a good conclusion for the graph shown?
- A.
Big Red blows smaller bubbles than Hubba Bubba.
- B.
All Day Chew blows bubbles almost as large as Hubba Bubba.
- C.
Hubba Bubba is the brand most kids want to chew.
Correct Answer
C. Hubba Bubba is the brand most kids want to chew.Explanation
The graph does not provide any information about which brand most kids want to chew. It only compares the size of bubbles blown by different brands.Rate this question:
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- 22.
Which hypothesis would have been supported by the data from this graph?
- A.
If Stride is chewed, then most kids will like it.
- B.
If Hubba Bubba is chewed, then the flavor will last the longest.
- C.
If Big red is chewed, then it will have the smallest bubble.
Correct Answer
C. If Big red is chewed, then it will have the smallest bubble. -
- 23.
What would be a controlled variable in the experiment from this graph?
- A.
Number of times gum is chewed
- B.
Brand of bubble gum
- C.
Size of bubble
Correct Answer
A. Number of times gum is chewedExplanation
The controlled variable in this experiment would be the number of times gum is chewed. This means that throughout the experiment, the researchers would keep the number of times gum is chewed constant for all the participants. By controlling this variable, they can ensure that any differences observed in the size of the bubble are solely due to the other variables being tested, such as the brand of bubble gum.Rate this question:
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- 24.
Hat would be an independent variable from the experiment with this graph?
- A.
Number of times gum is chewed
- B.
Brand of bubble gum
- C.
Size of bubble
Correct Answer
B. Brand of bubble gumExplanation
The independent variable in an experiment is the variable that is manipulated or changed by the researcher. In this case, the independent variable would be the brand of bubble gum. The researcher can choose different brands of bubble gum to see if it has any effect on the number of times gum is chewed or the size of the bubble. By changing the brand of bubble gum, the researcher can determine if it has any impact on the outcome of the experiment.Rate this question:
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- 25.
A ____ group is a group that does not get the variable being tested.
Correct Answer
controlExplanation
A control group is a group that does not receive the variable being tested. This group is used as a baseline to compare the results of the experimental group, which does receive the variable. By having a control group, researchers can determine if any observed effects are due to the variable being tested or other factors. It helps in establishing cause and effect relationships and ensures that any changes observed in the experimental group are not simply due to chance or external factors.Rate this question:
- 26.
Step ___ (use the number) is the step in the scientific method process where you make a graph.
Correct Answer
4Explanation
In the scientific method process, step 4 is where you make a graph. This step involves organizing and presenting data in a visual form, such as a bar graph, line graph, or pie chart. Graphs are useful for analyzing and interpreting data, identifying patterns or trends, and making comparisons. By visually representing data, graphs can help researchers and scientists better understand the relationships between variables and draw conclusions from the data collected.Rate this question:
- 27.
Step ___ (use the number) is the step in the scientific method where you fill in a data table.
Correct Answer
3Explanation
Step 3 is the step in the scientific method where you fill in a data table. This step involves recording and organizing the data collected during the experiment or observation in a structured format. By filling in a data table, scientists can easily analyze and interpret the data, identify patterns or trends, and draw conclusions based on the information gathered. This step is crucial in the scientific method as it allows for the objective representation and documentation of the data, which is essential for the validity and reproducibility of scientific findings.Rate this question:
- 28.
The responding variable that you look for during an experiment is called
- A.
Scientific factor
- B.
Dependent variable
- C.
Critical factor
- D.
Independent factor
Correct Answer
B. Dependent variableExplanation
During an experiment, the dependent variable is the responding variable that is measured or observed. It is the variable that is expected to change as a result of manipulating the independent variable. The dependent variable is dependent on the independent variable, meaning its value is influenced by the changes in the independent variable. In this case, the correct answer is "dependent variable" because it accurately describes the variable that is being looked for or measured during an experiment.Rate this question:
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- 29.
Recording weather and bird data on your tally sheet corresponds to _______ in the scientific method.
- A.
Analyzing data
- B.
Experiment design
- C.
Drawing conclusion
- D.
Collecting data
Correct Answer
D. Collecting dataExplanation
Collecting data is a crucial step in the scientific method as it involves gathering information or observations that are relevant to the research question or hypothesis. In this case, recording weather and bird data on the tally sheet is a form of data collection. This step allows scientists to gather empirical evidence that can be analyzed and used to draw conclusions or make inferences about the research topic.Rate this question:
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- 30.
Stating in advance the result that will be obtained from testing a hypothesis.
- A.
Modeling
- B.
Sequencing
- C.
Communicating
- D.
Predicting
Correct Answer
D. PredictingExplanation
Predicting refers to stating in advance the result that will be obtained from testing a hypothesis. It involves using available information, data, or patterns to make an educated guess or estimate about an outcome or future event. This can be done through various methods such as statistical analysis, trend analysis, or using mathematical models. Predicting helps in making informed decisions, planning, and preparing for future scenarios based on the expected results of a hypothesis test.Rate this question:
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- 31.
The use of one or more of the five senses to perceive objects or events.
- A.
Observing
- B.
Collecting
- C.
Organizing
- D.
Experimenting
Correct Answer
A. ObservingExplanation
Observing is the act of using one or more of the five senses (sight, hearing, touch, taste, and smell) to perceive objects or events. It involves paying attention to details, gathering information through the senses, and making observations based on what is observed. This process is important in gathering data and information about the world around us, and it is often the first step in the scientific method.Rate this question:
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- 32.
The process of testing a hypothesis by carrying out data-gathering procedures.
- A.
Classifying
- B.
Modeling
- C.
Predicting
- D.
Experimenting
Correct Answer
D. ExperimentingExplanation
The process of testing a hypothesis by carrying out data-gathering procedures is known as experimenting. This involves conducting experiments or collecting data to gather evidence and support or refute a hypothesis. Experimenting allows researchers to systematically investigate and analyze the relationship between variables and determine the validity of their hypotheses. It plays a crucial role in the scientific method and helps in advancing knowledge and understanding in various fields of study.Rate this question:
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- 33.
The manipulated variable that you control during an experiment.
- A.
Scientific factor
- B.
Independent variable
- C.
Dependent variable
- D.
Experimental item
Correct Answer
B. Independent variableExplanation
The independent variable is the manipulated variable that the researcher controls during an experiment. It is the factor that is deliberately changed or manipulated in order to observe its effect on the dependent variable. The independent variable is the variable that is hypothesized to cause a change in the dependent variable. In other words, it is the variable that is being tested or investigated in the experiment.Rate this question:
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- 34.
Examples of the skills used in science include ____ and ____.
- A.
Cholera and e. coli outbreaks
- B.
Clues and detectives
- C.
Facts and inferences
- D.
Observations and measurements
Correct Answer
D. Observations and measurementsExplanation
In science, observations and measurements are essential skills used to gather data and evidence. Observations involve using our senses to gather information about the natural world, while measurements involve quantifying these observations using tools and instruments. By making careful and accurate observations and measurements, scientists can collect data that can be analyzed and used to make inferences, draw conclusions, and develop theories or explanations for natural phenomena. These skills are crucial for conducting scientific experiments, making scientific discoveries, and advancing our understanding of the world around us.Rate this question:
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- 35.
Which of the following steps to solve a problem must be completed first?
- A.
Analyzing data
- B.
Identifying the problem
- C.
Forming a hypothesis
- D.
Testing a hypothesis
Correct Answer
B. Identifying the problemExplanation
Identifying the problem must be completed first in order to solve a problem. Before any analysis or hypothesis can be formed, it is crucial to understand and define the problem at hand. Without a clear identification of the problem, it would be difficult to proceed with any further steps in the problem-solving process.Rate this question:
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- 36.
A prediction or statement that can be tested is a(n)____.
- A.
Conclusion
- B.
Observation
- C.
Control
- D.
Hypothesis
Correct Answer
D. HypothesisExplanation
A hypothesis is a prediction or statement that can be tested. It is an educated guess based on observations and previous knowledge. A hypothesis is used in scientific research to propose an explanation for a phenomenon or to make predictions about the outcome of an experiment. It is testable because it can be supported or refuted through evidence and experimentation.Rate this question:
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- 37.
A factor in an experiment that can change is a(n)____.
- A.
Observation
- B.
Variable
- C.
Control
- D.
Hypothesis
Correct Answer
B. VariableExplanation
In an experiment, a factor that can change is referred to as a variable. Variables are the elements or factors that can be manipulated or measured in an experiment. They are the factors that researchers are interested in studying and analyzing to determine their impact on the outcome of the experiment. Variables can be independent, which are manipulated by the researcher, or dependent, which are the outcomes or responses that are measured. Therefore, in this context, the correct answer is "variable."Rate this question:
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- 38.
A good way to organize and record your results and observations is ____.
- A.
In a data table
- B.
By using a calculator
- C.
With a balance or a spring scale
- D.
By having a hypothesis before you begin your experiment
Correct Answer
A. In a data tableExplanation
A data table is a systematic way of organizing and recording results and observations in a clear and organized manner. It allows for easy comparison and analysis of data, making it a good way to keep track of information during an experiment. By using a data table, researchers can easily identify patterns, trends, and relationships in their data, which can then be used to draw conclusions and make informed decisions.Rate this question:
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- 39.
In a controlled experiment, a scientist is studying how long it takes parachutes of different sizes to fall to the ground. What is the independent variable?
- A.
The size of the parachute
- B.
The height from which the parachute is dropped
- C.
The size of the object carried by the parachute
- D.
The time it takes for the parachute to drop
Correct Answer
A. The size of the parachuteExplanation
The independent variable in this experiment is the size of the parachute. The scientist is studying how different sizes of parachutes affect the time it takes for them to fall to the ground. By manipulating the size of the parachute, the scientist can observe and measure the impact of this variable on the time it takes for the parachute to drop.Rate this question:
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- 40.
A series of logical steps that is followed in order to solve a problem is called the
- A.
Experimental process
- B.
Scientific theory
- C.
Scientific method
- D.
Model method
Correct Answer
C. Scientific methodExplanation
The correct answer is scientific method. The scientific method refers to a series of logical steps that scientists follow in order to solve a problem or answer a question. It involves making observations, formulating a hypothesis, conducting experiments, analyzing data, and drawing conclusions. This systematic approach helps to ensure that the results obtained are reliable and can be replicated by others.Rate this question:
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- 41.
Which answer shows the normal order scientists complete the scientific method in?
- A.
Problem, results, experiment, hypothesis, conclusion
- B.
Conclusion, results, experiment, hypothesis, problem
- C.
Problem, hypothesis, experiment, results, conclusion
- D.
Experiment, question, conclusion, experience, results
Correct Answer
C. Problem, hypothesis, experiment, results, conclusionExplanation
The correct answer is "Problem, hypothesis, experiment, results, conclusion." In the scientific method, scientists first identify a problem or question they want to investigate. They then formulate a hypothesis, which is a proposed explanation for the problem or question. Next, they design and conduct an experiment to test the hypothesis. The results of the experiment are then analyzed and interpreted. Finally, a conclusion is drawn based on the results, either supporting or rejecting the hypothesis.Rate this question:
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- 42.
The scientific method is
- A.
Always right
- B.
A way to solve problems
- C.
Is something you need a lab coat to do
- D.
What's the scientific method?
Correct Answer
B. A way to solve problemsExplanation
The correct answer is "a way to solve problems." The scientific method refers to a systematic approach used by scientists to investigate and understand phenomena. It involves making observations, formulating hypotheses, conducting experiments or gathering data, analyzing the results, and drawing conclusions. By following this method, scientists can effectively solve problems and gain knowledge about the natural world.Rate this question:
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- 43.
Is this statement an opinion or observation? "The plant grew 3cm last week."
- A.
Opinion
- B.
Observation
- C.
Both
- D.
Neither
Correct Answer
B. ObservationExplanation
The statement "The plant grew 3cm last week" is an observation because it is a factual statement based on measurable evidence. It does not express any personal beliefs or preferences, but rather reports on a specific event that can be objectively verified.Rate this question:
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- 44.
A variable is anything that can
- A.
Change an experiment
- B.
Change how you look
- C.
Affect the time
- D.
Look cool in an experiment
Correct Answer
A. Change an experimentExplanation
A variable is something that can be altered or manipulated in an experiment to observe its effect on the outcome. By changing a variable in an experiment, we can determine its impact on the results and understand the cause and effect relationship. This allows for a better understanding of the experiment and its underlying principles.Rate this question:
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- 45.
How many variables should you TEST at a time in an experiment?
- A.
283,283,845,238,954.23413383
- B.
0
- C.
1
- D.
17
Correct Answer
C. 1Explanation
In an experiment, it is recommended to test only one variable at a time. This allows for a clear understanding of the impact of that specific variable on the outcome of the experiment. Testing multiple variables simultaneously can lead to confusion and difficulty in determining which variable is responsible for any observed changes in the outcome. Therefore, focusing on one variable at a time ensures accurate and reliable results.Rate this question:
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- 46.
I wanted to use this tool to measure out a small amount of water. What tool is this?
- A.
Plastic thing
- B.
A graduated cylinder
- C.
A large beaker
- D.
A cup
Correct Answer
B. A graduated cylinderExplanation
A graduated cylinder is the correct answer because it is a tool commonly used to measure out small amounts of liquid, such as water. It has markings on the side that indicate different volumes, allowing for precise measurements. A plastic thing, a large beaker, and a cup are not specific tools for measuring small amounts of water.Rate this question:
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- 47.
Olivia got a drink from the water fountain and said "Eww, water at home is so much better." Since she likes home water , she wants to set up an experiment to test which kind of water is healthier. What statement do you think could be Olivia's hypothesis?
- A.
"If I test both waters, then the water from my house will be healthier than school water"
- B.
"The results show home water is healthier than school water"
- C.
"Water from school is better for you"
- D.
"Samples of school water look less clean"
Correct Answer
A. "If I test both waters, then the water from my house will be healthier than school water"Explanation
Olivia's hypothesis could be "If I test both waters, then the water from my house will be healthier than school water". This hypothesis suggests that Olivia believes that the water from her house is of better quality and therefore healthier compared to the water from school. She wants to conduct an experiment to test this hypothesis and determine if her belief is supported by evidence.Rate this question:
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- 48.
Brian wants to see if his tomato plants grow better in sandy, clay, or or rocky soil. He puts all three plants in the same size pots in his backyard with the different soils. Which answer lists a variable(s) he will need to worry about to make sure the rest of his experiment is fair?
- A.
The size of the pots.
- B.
How much he waters the plants
- C.
How much fertilizer he uses
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
In order to ensure a fair experiment, Brian needs to consider all of the listed variables. The size of the pots can affect the amount of space available for root growth and nutrient absorption, therefore influencing plant growth. The amount of water given to each plant is crucial as it can impact their hydration levels and overall health. Additionally, the amount of fertilizer used can affect the nutrient content of the soil, which can greatly impact plant growth. Considering and controlling all of these variables will help Brian accurately determine the effect of different soil types on tomato plant growth.Rate this question:
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- 49.
Where is science?
- A.
Here
- B.
There
- C.
Everywhere
- D.
Hmmmmmmmmmm...
Correct Answer
C. EverywhereExplanation
Science can be found everywhere because it is a systematic and logical approach to understanding the natural world. It is not confined to a specific location or limited to certain areas. Science is present in everyday life, from the laws of physics that govern the movement of objects to the biological processes that occur within our bodies. It is also present in the vastness of the universe, where scientific principles and theories help us explore and comprehend the mysteries of space. Therefore, the answer "Everywhere" accurately reflects the ubiquitous nature of science.Rate this question:
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- 50.
Please write a hypothesis you would write for this problem... Remember- IF... THEN "Nike just came out with a shoe. They claim the shoes will make you jump 8 inches higher than regular shoes." Whats your hypothesis
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Magnetic Particle Testing: Principles and Practice Quiz
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General Science - General Knowledge questions and answers
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Medical Specialty Quiz - Which Medical Specialty Is It?
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