Practice Variable Quiz

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1. Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

a.distance traveled by the ballb.height of the rampc.mass of the balld.weight of the ball

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2. Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.

a.distance traveled by the ballb.height of the rampc.mass of the balld.weight of the ball

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3. Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the constant.

a.distance traveled by the ballb.height of the rampc.mass of the balld.weight of the ball

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4. Mr. S. normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his independent variable?

a.amount of times the dog follows the commandb.type of rewardc. praised. type of dog

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5. Mr. S. normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. Identify the dependent

variable.

a.amount of times the dog follows the commandb. type of rewardc. praised. type of dog

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6. Mr. S. normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his control trial?

a. type of rewardb. trials done with new rewardsc. trials done with praised. the leash that he uses

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7. Mr. S. uses a new spray cleaner to remove green slime left by students on the lab tables. Identify the dependent variable.

a.type of cleanerb.the new cleanerc.the old cleanerd.the effect of the cleaners

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8. Mr. S. uses a new spray cleaner to remove the green slime left by students on the tables. Identify the control trial.

a. type of cleanerb. test with new cleanerc. test with the old cleanerd. the green slime

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9. Mr. S. uses a new spray cleaner to remove the green slime left by students on the tables. Identify the independent variable.

a. type of cleanerb. the new cleanerc. the green slimed. the effect of the cleaners

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10. Mr. S. wants to find the best way to get more students to attend extra help review. Normally, he does not give extra credit for attending extra help. On one quiz, he decides to give extra credit to students who attend extra help. Identify the dependent variable.

a.extra points for attending extra helpb.extra review sessionsc. number of students attending extra helpd.student scores

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Correct. Congratulations for completing the practice quiz!

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