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Dependent And Independent Variable Quiz 8 (30 MCQs)

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1. In the scientific question "Does the amount of fertiliser affect the height that a bean plant grows? "What is the independent variable?
2. Mr. Crump decided to drive across the country. He wanted to see which type of car got the best gas mileage. What is the independent variable?
3. Scott wants to know if lemongrass spray will protect his chickens from lice. He sprays 10 of his chickens with the lemongrass spray, and 10 with plain water. The next day, he counts the number of lice he finds on each chicken. What is the control in Scott's experiment?
4. In the scientific question "Does shoe design really affect an athlete's jumping height? "What is the independent variable?
5. The equation y = 128-8x gives the amount y (in fluid ounces) of milk remaining in a gallon jug after you pour x cups. How much milk remains after you pour 10 cups?
6. Something that can be changed in an experiment that may affect the outcome
7. In the scientific question "If salt is added to water, will the water boil at a different temperature? "What is the independent variable?
8. Which variable changes based on the other?
9. A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the dependent variable?
10. This type of variable is intentionally kept the same for all tests and trials
11. The input in a function is also known as what?
12. Research question:Does the distance a person kicks a soccer ball effect their grades on their math test. What is the dependent variable?
13. Pick the control from the following variables..vanilla ice creamvanilla ice cream with sprinklesvanilla ice cream with hot fudge & caramel
14. The measurable factor in an experiment, also thought of as the "effect" is known as the:
15. As I use more electricity, my electricity bill increases.The bill ..... on the amount of electricity I use.
16. A builder required certain number of bricks each time he builds a house. He usually goes to Home Depot to purchase bricks What is the dependent variable?
17. Find the Independent Variable:You experiment to see how the noise level in a room affects your ability to memorize random numbers and letters.
18. The width of a kernel of corn would be about .....
19. Jack has a rock. The rock has a mass of 14g and a volume of 2cm$^{3}$. What is the density of the rock?
20. A student plants seeds at varying depths. She measures the growth of the plants over the next few weeks.What is the independent variable?
21. An experiment is performed to test the effect of the amount of force on the distance an object travels. The independent variable is .....
22. Katie is trying to determine what type of flower grows the fastest in the same type of soil after a month. She takes 3 different seeds and plants them. She collected the data month. What would a control be?
23. An experiment is performed to test the effect of the amount of force on the distance an object travels. A constant variable should be .....
24. What observations might you make about a nearby cat?
25. If I study for my scientific method quiz, then I will have a better test score. What is the dependent variable?
26. Identify the dependent variable:
27. How much food does a goldfish need to grow? Which is the dependent variable?
28. How does the amount of baking powder added to a cake mix affect the taste? Which is the independent variable?
29. Each bag of popcorn costs $ 6.00 at the football game. What is the independent variable?
30. The variable that is kept the same to make sure results are caused by the thing being tested
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