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Dependent And Independent Variable Quiz 12 (25 MCQs)

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1. Ms. O'Brien wanted to see which brand of cola exploded the highest when she put a Mento in the bottle. What is the independent variable?
2. In a science experiment, what is an independent variable?
3. Scenario:You want to test whether growth hormone helps to create bigger cows. What is the Independent Variable? (Remember:Independent Variables are what "I"change in the experiment.
4. Find the IV:You experiment to discover if your pulse rate is affected by caffeine
5. WHICH ANSWER IS A CONTROL FOR THE QUESTION:Which brand of laundry detergent works better to remove grass stains?
6. Zach and Ian have a lemonade stand. They make a profit of $ 2.50 for each gallon of lemonade sold. Which one is the dependent variable?
7. When do we draw conclusions during a science investigation?
8. On Friday, rain fell at a rate of 2.5 inches per hour.Which equation shows the relationship between the number of hours, h, and Friday's rainfall, r.
9. Samantha is bringing treats to her elementary school class on her birthday. The number of treats she brings in is based on the number of students in her class.The number of treats she will bring can be found using the equation t=3s+5Which of the variables is independent?
10. Things that are kept the same to ensure experiment results are due to the independent variable and not external factors are called:
11. If plants are exposed to sunlight, then they will grow taller.What part of the scientific method is this an example of?
12. Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the INDEPENDENT variable.
13. Which one of the following is NOT an example of quantitative data?
14. Read the title and identify the INDEPENDENT variable.Research Title:Use of Gardening Tools and Fertilizer:Their Effects on the Amount of Harvest
15. The factors that stay the same throughout the experiment.
16. Kira designs websites. She can create three different websites each week. Kira wants to create an equation that will give her the total number of websites she can design given the number of weeks she works.What is the independent variable
17. Grace earns $ 9 an hour. Identify the dependent variable.
18. One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. What is the INDEPENDENT variable?
19. Mason makes $ 20 for each lawn he mows. Which equation represents the money he makes, d, in dollars?
20. Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours.What is the INDEPENDENT VARIABLE?
21. Psychologists study whether a young monkey will prefer to spend time with a pretend monkey made of wire that provides milk or a pretend monkey covered with cloth and no milk. DV?
22. Penelope wanted to see if the temperature of the oven made cookies softer or harder. What is the independent variable.
23. Research question:does the distance a person kicks a soccer ball affect how well they will do on their math test? What should they use for the dependent variable?
24. Scientific Question:Does being tardy impact test scores? What is the independent variable?
25. The one factor that a scientist changes during an experiment. (It affects the results of the experiment).
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