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Dependent And Independent Variable Quiz 9 (25 MCQs)

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1. How many variables should be tested in a controlled experiment?
2. The variable that is measured .
3. The variable that is being tested, counted, or measured and is responding to the independent variable is known as
4. Marcos wants to know:Does the type of gasoline put in a car effect how fast the car can drive? What is the independent variable?
5. You see the following note written:"Weight:112 kilograms" What kind of note was written?
6. A teacher wanted to test whether or not giving students mints during a test would help them perform better. Each student was given exactly two mints. What is the dependent variable?
7. Scientific Question:Does playing video games improve reaction time? What is the controlled variable?
8. The variable that is measured throughout the experiment is the _____
9. In the scientific question "Does the amount of fertiliser affect the height that a bean plant grows? "What is the independent variable?
10. 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?
11. 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?
12. In the scientific question "Does shoe design really affect an athlete's jumping height? "What is the independent variable?
13. 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?
14. Something that can be changed in an experiment that may affect the outcome
15. In the scientific question "If salt is added to water, will the water boil at a different temperature? "What is the independent variable?
16. Which variable changes based on the other?
17. 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?
18. This type of variable is intentionally kept the same for all tests and trials
19. The input in a function is also known as what?
20. Research question:Does the distance a person kicks a soccer ball effect their grades on their math test. What is the dependent variable?
21. Pick the control from the following variables..vanilla ice creamvanilla ice cream with sprinklesvanilla ice cream with hot fudge & caramel
22. The measurable factor in an experiment, also thought of as the "effect" is known as the:
23. As I use more electricity, my electricity bill increases.The bill _____ on the amount of electricity I use.
24. 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?
25. Find the Independent Variable:You experiment to see how the noise level in a room affects your ability to memorize random numbers and letters.
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