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Dependent And Independent Variable Quiz 5 (30 MCQs)

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1. Find the DV:You experiment to find out if you can blow bigger bubbles when it is hot outside or when it is cold outside.
2. In an experiment it is important to test ..... independent variable(s) in order to have a controlled experiment.
3. An orderly, systematic approach to problem solving is called the:
4. Mrs. Pangrazio sold chocolate chip cookies for $ 2.00 each. The total amount collected on Friday was $ 50.00. The total amount collected on Saturday was $ 80.00. Name the independent variable.
5. A GOOD experiment will have ..... independent variable and ..... controlled variables.
6. The summary at the end of an experiment that explains the results is called .....
7. FIND THE INDEPENDENT VARIABLE FOR THE QUESTION:Which brand of laundry detergent works better to remove grass stains?
8. What can you infer about the cat you observed eating?
9. Sally wanted to know which brand of pencils sharpened the quickest. What is the independent variable?
10. Stacy measured the speed of 5 birds that lived around her house. What is the Independent variable?
11. Mrs. Netflix streams movies through a company that charges her a $ 1.50 per movie.
12. Mrs. Goodwyn wants to see if studying time affects test scores ..... She gives all 6 classes the same assignment but assigns different study times. What is the constant?
13. On a graph, which axis shows the dependent variable?
14. An investigation found that more potatoes would be produced on a farm if the soil was fertilized more.What is a controlled variable or constant in this experiment?
15. The ..... is the independent variable.
16. The ONE thing you, as the experimenter, change is called the:
17. What is the dependent variable in the question below? Are children who learn to read before kindergarten more likely to attend college?
18. Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the independent variable.
19. Frank has an eraser. It has a mass of 4g, and a volume of 2cm$^{3}$. What is its density?
20. Mr. Pine, a botanist, is conducting an experiment to see if the type of fertilizer has an effect on the growth of a plant. He uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
21. Bamboo grows one inch every day. What is the independent variable?
22. The ONE thing you change in an experiment.
23. Tiffany was investigating how fast it took people to react to different sounds. Identify the manipulated variable.
24. Khaleel is testing how the use of stress balls during testing affects a student's test score. The students' average test scores who used the stress balls is the ..... variable.
25. Which of the following terms refers to the variable that is measured or recorded as the results of the experiment?
26. The grass turns greener them more it rains.The grass is the ..... variable because it is affected by the rain.
27. The equation y = 7.75x shows how the number of movie tickets is related to the total money spent. What does x represent?
28. You have a lawn mowing job and earn $ 10 per hour. The money earned (m) is related to the number of hours worked (h).If you work for 18 hours, how much money will you earn?
29. Which of the following does NOT show an additive relationship?
30. What is another term for dependent variable?
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