1.1 And 1.2 Test Review- What Do Scientists Do?
Practice this test a few times. You will see very similar questions on Wednesday's test!
Questions and Answers
- 1.
Which statement is true of all scientists?
- A.
They study living things.
- B.
They study the natural world.
- C.
They study items found on earth.
- D.
They study things found in outer space.
Correct Answer
B. They study the natural world.Explanation
All scientists study the natural world because the natural world encompasses everything that exists in the physical universe, including living things, items found on earth, and things found in outer space. Therefore, this statement is true for all scientists.Rate this question:
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- 2.
Someone places a cup of water and a cup of cooking oil in the freezer. She checks on the cups every 30 minutes. She records the times the liquids freeze. Which question is she investigating?
- A.
Which liquid freezes faster, water or cooking oil?
- B.
Which liquid tastes better frozen, water or cooking oil?
- C.
Which item floats better, frozen water or frozen cooking oil?
- D.
Which item melts faster, frozen water or frozen cooking oil?
Correct Answer
A. Which liquid freezes faster, water or cooking oil?Explanation
The person is investigating which liquid freezes faster, water or cooking oil.Rate this question:
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- 3.
Someone asks people in his class to report how many times per week they recycle. He asks his friends in 2 other classes to collect reports from their classmates, too. Which is true about his investigation?
- A.
It involves collaboration.
- B.
It follows the scientific method.
- C.
It produces results that don't change.
- D.
It explains why people recycle.
Correct Answer
A. It involves collaboration.Explanation
The correct answer is "It involves collaboration." This is because the person is asking his friends in 2 other classes to collect reports from their classmates, indicating that they are working together and collaborating on the investigation.Rate this question:
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- 4.
Someone wants to investigate moon craters. He drips water into a shallow pan of flour. He holds a dropper at a different height each time he moves to a new area of the pan. He observes the water drops make dents of different sizes in the flour. What type of experiment is he conducting?
- A.
Modeling
- B.
Surveying
- C.
Classifying
- D.
Direct studying
Correct Answer
A. ModelingExplanation
The person is conducting a modeling experiment. By dripping water into a shallow pan of flour and observing the different sizes of the dents made by the water drops at different heights, they are creating a model to simulate the formation of moon craters. This experiment allows them to study and understand the process of crater formation in a controlled environment.Rate this question:
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- 5.
A scientist looks at a graph of the results of his experiment. He draws conclusions about the results. What is one way the scientist could use his conclusions?
- A.
To decide whether his results are correct
- B.
To decide whether his hypothesis is correct
- C.
To decide whether he should make a different conclusion
- D.
To decide whether he should share his results with others
Correct Answer
B. To decide whether his hypothesis is correctExplanation
The scientist can use his conclusions to decide whether his hypothesis is correct. By analyzing the results of the experiment and drawing conclusions, the scientist can compare them with the initial hypothesis. If the conclusions align with the hypothesis, it suggests that the hypothesis is likely correct. Conversely, if the conclusions contradict the hypothesis, it indicates that the hypothesis may need to be revised or further investigated. Therefore, the scientist can utilize his conclusions to evaluate the validity of his hypothesis.Rate this question:
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- 6.
During someone's investigation, a plant grew 1 inch each week for 4 weeks. When she displays her drawing of the weekly changes in the size of the plant, what skill is she using?
- A.
Communication
- B.
Inference
- C.
Observation
- D.
Variables
Correct Answer
A. CommunicationExplanation
The person is using the skill of communication when they display their drawing of the weekly changes in the size of the plant. Communication involves conveying information or ideas to others through various means, such as drawings, writing, or speaking. In this case, the person is using their drawing to communicate the changes in the size of the plant over time.Rate this question:
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- 7.
Someone is studying water. She things that adding salt to water may make it freeze as a higher temperature. Which word describes her statement?
- A.
Conclusion
- B.
Hypothesis
- C.
Investigation
- D.
Variable
Correct Answer
B. HypothesisExplanation
The word that describes her statement is "hypothesis". A hypothesis is an educated guess or prediction that is based on observations and research. In this case, the person studying water has formed a hypothesis that adding salt to water may cause it to freeze at a higher temperature.Rate this question:
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- 8.
Someone grew one plant on the windowsill. She grew another plant inside a black plastic bag. She made a poster about how the plants grew. What does her poster do?
- A.
Predicts the data
- B.
Classifies the data
- C.
Hypothesizes the data
- D.
Communicates the data
Correct Answer
D. Communicates the dataExplanation
The poster communicates the data because it presents information about how the plants grew. It likely includes visuals, such as pictures or graphs, and possibly written explanations or descriptions. The purpose of the poster is to share the information about the growth of the plants with others, making it a form of communication.Rate this question:
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- 9.
Someone wants to add more blueberries to a muffin recipe. He thinks it will make the muffins taste better. What part of the inquiry process are the blueberries?
- A.
Variable
- B.
Question
- C.
Hypothesis
- D.
Conclusion
Correct Answer
A. VariableExplanation
The blueberries in this scenario are considered a variable. In the inquiry process, a variable is any factor that can be changed or manipulated. In this case, the person wants to add more blueberries to the muffin recipe, which would alter the amount of blueberries in the muffins. By changing this variable, the person is testing the hypothesis that adding more blueberries will improve the taste of the muffins. Therefore, the blueberries are a variable in the inquiry process.Rate this question:
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- 10.
Two students studied how far back two toy pull-back cars can travel. Each student pulled a car back and let it go. Then they measured how far each car traveled before it stopped. What part of the inquiry process did the students do?
- A.
Made a prediction
- B.
Drew a conclusion
- C.
Conducted an investigation
- D.
Communicated their results
Correct Answer
C. Conducted an investigationExplanation
The students conducted an investigation by pulling back the toy cars and measuring how far they traveled before stopping. This involved an active process of gathering data and conducting experiments to test their hypothesis or question. By conducting an investigation, the students were able to gather evidence and draw conclusions based on their observations and measurements.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 16, 2017Quiz Created by
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