Rose wants to know which energy drink would keep her awake the longest. To test this, what would she need to use as a constant?
Drink at the same time each day, drink the same amount of each drink, same sleeping environment, same activities
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15
Jeremy thinks putting tape around a carโs doors would make the car waterproof. He tries filling the car with water, then adds the tape and fills the car with water again to see how much leaks out. What is the independent variable?
Tape or no tape
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15
Dr. Smith wants to see if playing violent video games increases a personโs blood pressure. What would be the independent variable in his experiment?
Type of video game played (or whether video games are played)
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15
Clara wants to know if getting more sleep before a test will improve her scores. What would be the independent variable in this experiment?
Amount of sleep
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15
Clarkson thinks that a small car would get better gas mileage than a bigger car. What would be the independent variable in his experiment?
Size of the car
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15
Martha wants to know if listening to music would help her focus more when studying. What would be her independent variable?
Listening to music or not
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15
Jeremy thinks putting tape around a carโs doors would make the car waterproof. He tries filling the car with water, then adds the tape and fills the car with water again to see how much leaks out. What is the dependent variable?
Amount of water that stays in the car (or amount that leaks out)
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15
James believes that a motorcycle can get him across town faster than a car would. He rides his motorcycle while his friend Richard drives his car so they can see who will get across town first. What is the dependent variable?
Time it takes to get across town
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15
Martha wants to know if listening to music would help her focus more when studying. What would be her control in the experiment?
Studying without music
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15
Clara wants to know if getting more sleep before a test will improve her scores. What would be a constant in this experiment?
The same test, same time spent studying, same teacher, same testing environment
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baam
Lose 25 points!
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seesaw
Swap points!
Okay!
gift
Win 25 points!
Okay!
baam
Lose 10 points!
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monster
Reset all scores!
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gold
Win 50 points!
Okay!
rocket
Go to first place!
Okay!
baam
Lose 20 points!
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15
Rose wants to know which energy drink would keep her awake the longest. To test this, what would she need to use as a control for comparison?
A night without an energy drink
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15
John wants to find out which brand of dog food his dog would rather eat. What would be the dependent variable?
Amount of food the dog eats
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15
Clara wants to know if getting more sleep before a test will improve her scores. What would be the dependent variable in this experiment?