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Dependent And Independent Variable Quiz 8 (25 MCQs)

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1. All the things in an experiment that must be the same to make it fair are called
2. Savannah pays $ 25 a month, m, for her guitar lessons.m = number of monthsc = total cost of her guitar lessonsWhat is the total cost after 4 months?
3. If a lab fire erupts, immediately:
4. Its one of the independent variables that is use for comparison, does not get any change, original or plain variable.
5. At the salad bar, the grocery store charges $ 5.99 for each half pound you buy. Which variable is dependent?
6. When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the light?
7. Mr. Johnson wants to know if he could teach his dog tricks if he brought a new kind of treat. What is the Independent Variable?
8. Why do we want to test only one independent variable at a time?
9. Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?
10. Which type of sugar dissolves the fastest? Which is the independent variable?
11. Another term for a controlled variable is a:
12. What is an Independent Variable?
13. Which type of soap cleans the best? Which is the independent variable?
14. In a controlled experiment, how many independent variables can be tested at a time?
15. How many independent variables should be tested in a well-designed, controlled experiment?
16. In the equation s = 8t, which of the following represents the independent variable?
17. In the hypothesis is, "I think orange juice will stunt the growth of a plant." The dependent variable is
18. An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. In this investigation, the independent variable is _____
19. Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
20. Olivia earns $ 10.50 for working one hour. Identify the independent variable.
21. The basic unit of metric volume is called a _____
22. Mrs. Chi is conducting an experiment to see if the amount of times goldfish are fed each day has an effect on the total body fat of the fish. Identify the independent variable.
23. Frank has a paper clip. It has a mass of 9g and a volume of 3cm$^{3}$. What is its density?
24. The _____ variable is the 'cause' and the _____ variable is the 'effect'.
25. The independent variable is the ONE thing you _____ to test your hypothesis.
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