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A hypothesis

1. If the amount of water increases, then the height of the plant will increase. This is an example of . A hypothesis . 2 . The variable that is changed (manipulated) in an experiment . Independent variable .

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A hypothesis

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  1. 1. If the amount of water increases, then the height of the plant will increase. This is an example of • A hypothesis

  2. 2. The variable that is changed (manipulated) in an experiment • Independent variable

  3. 3. The variable changes (responds) as a result of a change in the independent variable • Dependent variable

  4. 4. An explanation that can be tested with a scientific investigation. • hypothesis

  5. 5. What is the sum of the numbers in a set of data divided by the number of entries in the set? • Mean

  6. 6. What is the middle number in a data set when the data are arranged in numerical order? • Median

  7. 7. What is the number that appears most often? • mode

  8. 8. What is the difference between the highest and lowest values in a data set? • range

  9. 9. Using a graduated cylinder, 1 mL equals • 1 cm3

  10. 10. Graduated cylinder measures • volume of a liquid

  11. 11. Mass is measured using what tool? • triple beam balance scale

  12. 12. A spring scale measures • weight

  13. 13. What tool would you use to measure length? • ruler • Trundle wheel

  14. 14. Mass in measured in what metric units? • grams

  15. What is the amount of material in an object called? • mass

  16. 16. The amount of space an object takes up • volume

  17. 17. A scientific experiment that involves changing one factor and observing its effects on one thing while keeping all other things constant. • Controlled experiment

  18. 18. What is quantitative data ? • descriptions of the natural world using numbers

  19. 19. What is qualitative data? • descriptions of the natural world using words

  20. 20. What is the effect of the length of the paper airplane on the distance traveled? What is the independent variable? • length of the paper airplane

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