Pendulums Swing- Before And After Test

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| By Miket777
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Miket777
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Quizzes Created: 4 | Total Attempts: 1,841
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  • 1/14 Questions

    You are constructing a data collection table for an investigation. How many trials must be conducted to obtain valid results?

    • One
    • Two
    • Three
    • Twenty
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About This Quiz

The 'Pendulums Swing- Before and After Test' assesses understanding of scientific investigation principles. It covers formulating hypotheses, understanding research purposes, and data analysis techniques like calculating mean and range, crucial for replicating scientific experiments.

Pendulums Swing- Before And After Test - Quiz

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  • 2. 

    Choose the sentence that is a testable question.

    • Is Pluto farther away than Mars?

    • Are hot dogs better than hamburgers?

    • What species of fish are in the Chesapeake Bay?

    • Does road surface cause a change in my skateboard speed?

    Correct Answer
    A. Does road surface cause a change in my skateboard speed?
    Explanation
    The sentence "Does road surface cause a change in my skateboard speed?" is a testable question because it can be researched and tested through experiments or observations. One can measure the speed of a skateboard on different road surfaces and compare the results to determine if there is a correlation between road surface and skateboard speed.

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  • 3. 

    Which of the following is the reason research is done before conducting a science investigation?

    • To construct a graph

    • To form a hypothesis

    • To develop a conclusion

    • To keep from doing the investigation

    Correct Answer
    A. To form a hypothesis
    Explanation
    Research is done before conducting a science investigation in order to form a hypothesis. Research helps to gather information and knowledge about the topic or problem at hand. This information is then used to formulate a hypothesis, which is a proposed explanation or prediction for the observed phenomenon. By conducting research and forming a hypothesis, scientists can have a better understanding of the problem and design their investigation accordingly. This allows for a more systematic and focused approach to the investigation, increasing the chances of obtaining accurate and meaningful results.

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  • 4. 

    Which of the following is the difference between the greatest and the least measurement of a data set?

    • Mean

    • Median

    • Mode

    • Range

    Correct Answer
    A. Range
    Explanation
    The range of a data set is the difference between the greatest and the least measurement. It represents the spread or variability of the data. By finding the range, we can determine how much the values in the data set differ from each other. Therefore, the correct answer is range.

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  • 5. 

    Brittany wrote a conclusion for a STEM Fair project. Read herconclusion below:The question I investigated was, “Does the drop height of a ball affect the bounce height?” My hypothesis was supported. The results showed when the ball was dropped from a height of 30 cm, the bounce height was 20 cm; when the ball was dropped from a height of 50 cm, the bounce height was 35 cm; and when the drop height was 70 cm, the bounce height was 50 cm. One thing I can infer from this investigation is that bounce height is affected by drop height. I would also like to investigate if bounce height is affected by temperature.Which of the following is missing from Brittany’s conclusion?

    • The hypothesis

    • Data from the investigation

    • The question she investigated

    • Whether the hypothesis is supported or not supported

    Correct Answer
    A. The hypothesis
    Explanation
    In Brittany's conclusion, she includes the question she investigated ("Does the drop height of a ball affect the bounce height?"), the data from the investigation (the bounce heights at different drop heights), and her inference that bounce height is affected by drop height. However, she does not explicitly mention her hypothesis in the conclusion.

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  • 6. 

    Which of the following is the average measurement of a data set?

    • Mean

    • Median

    • Mode

    • Range

    Correct Answer
    A. Mean
    Explanation
    The average measurement of a data set is represented by the mean. The mean is calculated by summing up all the values in the data set and dividing it by the total number of values. It provides a measure of central tendency and is commonly used to represent the typical value in a data set. It is different from the median, which represents the middle value when the data set is arranged in ascending or descending order, and the mode, which represents the most frequently occurring value. The range, on the other hand, represents the difference between the highest and lowest values in the data set.

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  • 7. 

    Which of the following would be used to graph the effect of temperature on the number of times a cricket chirps in one hour?

    • Bar graph

    • Pie graph

    • Line graph

    • Pictograph

    Correct Answer
    A. Line graph
    Explanation
    A line graph would be used to graph the effect of temperature on the number of times a cricket chirps in one hour because it is the most suitable representation for showing the relationship between two continuous variables. The x-axis can represent the temperature, while the y-axis can represent the number of times the cricket chirps. The line graph will show the trend or pattern in the data, allowing for easy interpretation of how temperature affects the chirping behavior of the cricket.

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  • 8. 

    Which of the following is the part of the investigation that must be kept exactly the same?

    • Dependent variable

    • Controlled variable

    • Independent variable

    • Interdependent variable

    Correct Answer
    A. Controlled variable
    Explanation
    A controlled variable is a part of the investigation that is kept constant and unchanged throughout the experiment. It is used to ensure that any observed changes or effects are only due to the manipulation of the independent variable and not influenced by any other factors. By keeping the controlled variable constant, researchers can isolate and study the specific impact of the independent variable on the dependent variable.

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  • 9. 

    Which of the following describes the purpose of listing the materials and procedure for an investigation?

    • To keep track of what you are doing

    • To remember what supplies you need

    • To inform others of how much time to allow for the investigation

    • To allow someone else to follow the same steps to replicate the investigation

    Correct Answer
    A. To allow someone else to follow the same steps to replicate the investigation
    Explanation
    The purpose of listing the materials and procedure for an investigation is to allow someone else to follow the same steps and replicate the investigation. By providing a detailed account of the materials and steps involved, others can reproduce the experiment and verify the results. This promotes transparency and ensures the reliability and validity of the investigation.

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  • 10. 

    Which of the following would be used to display the number of paper clips each type of magnet can pick up?

    • Bar graph

    • Pie graph

    • Line graph

    • Pictograph

    Correct Answer
    A. Bar graph
    Explanation
    A bar graph would be used to display the number of paper clips each type of magnet can pick up. A bar graph uses rectangular bars to represent different categories or groups and the length of each bar represents the quantity or value of that category. In this case, each type of magnet would be represented by a bar, and the height of the bar would indicate the number of paper clips it can pick up. This type of graph is commonly used to compare different categories or groups and is suitable for displaying discrete data.

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  • 11. 

    Which of the following would be used to graph the effect of different amounts of salt on the freezing point of water?

    • Bar graph

    • Pie graph

    • Line graph

    • Pictograph

    Correct Answer
    A. Line graph
    Explanation
    A line graph would be used to graph the effect of different amounts of salt on the freezing point of water because it is the most suitable graph for showing the relationship between two continuous variables. In this case, the amount of salt would be represented on the x-axis, and the freezing point of water would be represented on the y-axis. The line graph would show how the freezing point changes as the amount of salt increases or decreases, allowing for a clear visualization of the relationship between the two variables.

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  • 12. 

    Choose the statement that is a hypothesis.

    • Placing water in containers increases evaporation rate.

    • If I increase the height from which a drop of water is released, then the diameter of the splash increases.

    • If I increase the temperature of water, then the dissolving time of salt in water will decrease. This is due to the fact that the molecules of hot water move quicker.

    • If I place water in containers with different surface areas, then the water will evaporate faster from the container with the greatest surface area. This is true because I know.

    Correct Answer
    A. If I increase the temperature of water, then the dissolving time of salt in water will decrease. This is due to the fact that the molecules of hot water move quicker.
    Explanation
    The statement "If I increase the temperature of water, then the dissolving time of salt in water will decrease. This is due to the fact that the molecules of hot water move quicker" is a hypothesis because it presents a proposed explanation or prediction based on a suggested cause-effect relationship. The statement suggests that increasing the temperature of water will have a specific effect on the dissolving time of salt, and provides a reason for this effect based on the movement of molecules in hot water.

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  • 13. 

    Which of the following is the part of the investigation that will be changed by the investigator?

    • Dependent variable

    • Controlled variable

    • Independent variable

    • Interdependent variable

    Correct Answer
    A. Independent variable
    Explanation
    The independent variable is the part of the investigation that the investigator can change or manipulate. It is the variable that is intentionally altered to observe its effect on the dependent variable. The dependent variable, on the other hand, is the variable that is being measured or observed and is expected to change in response to the independent variable. The controlled variable is a variable that is kept constant throughout the investigation to ensure that any observed changes are due to the independent variable. The interdependent variable is not a commonly used term in scientific investigations.

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  • 14. 

    Which of the following is the part of an investigation that is observed and measured?

    • Dependent variable

    • Controlled variable

    • Independent variable

    • Interdependent variable

    Correct Answer
    A. Dependent variable
    Explanation
    The dependent variable is the part of an investigation that is observed and measured. It is the variable that is affected by the independent variable and its changes are a result of the manipulation of the independent variable. In other words, the dependent variable is the outcome or result that is being studied or measured in an experiment. It is called "dependent" because its value depends on the changes made to the independent variable.

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  • Current Version
  • Mar 11, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 01, 2010
    Quiz Created by
    Miket777

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