A student wanted to know how the length of a guitar string would affect the pitch. What would be IV in this experiment?
Length of a guitar string
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10
Mrs. Kibler wanted to see how different types of music affected studentยดs pulse rates. How would you state the hypothesis in the If/Then format?
If Mrs. Kibler tested different types of music, then I predict classical music would have the lowest pulse rate. (or something similar)
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10
If I test different types of baseball bats, then I predict the aluminum bat will hit the baseball the farthest. What is the dependent variable?
How far the baseball travels
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thief
Give points!
5
10
15
20
25
gold
Win 50 points!
Okay!
shark
Other team loses 20 points!
Okay!
lifesaver
Give 10 points!
Oops!
10
A student wanted to know if the distance a golf ball travels after being hit is affected by the height of the tee. What would be IV in this experiment?
The height of the tee
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lifesaver
Give 25 points!
Oops!
gold
Win 50 points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
seesaw
Swap points!
Oops!
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
10
Students wanted to know if the amount of sleep had an effect on their score on an exam. What would be a constant for this experiment?
Same exam, same teacher, same testing environment, same time allowed on the test
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10
A student wanted to know if the amount of rainfall had an effect on the volume of water traveling down a river. What would be the dependent variable in this experiment?
Volume of water
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10
A student wanted to know how the color of clothing would affect the amount of sunlight absorbed. What would be the independent variable?
The color of the clothes
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10
Jake wanted to know if exercising before taking a test would help improve his test scores. What is the dependent variable?
Test Scores
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10
Students wanted to know if levels of anxiety were affected by the amount of time spent on social media. What would be the control group in this experiment?
No time spent on social media
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10
Amy wanted to know which brand of popcorn will leave the least amount of kernels. What is the independent variable?
Different Brands of Popcorn
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trap
No points!
Oops!
shark
Other team loses 25 points!
Okay!
gift
Win 10 points!
Okay!
banana
Go to last place!
Oops!
10
Students wanted to know if they gave baby mice vitamins would they grow at a faster rate. How would you phrase this hypothesis in the IF/THEN format?
If students give vitamins to baby mice, then the baby mice will grow faster (or slower).
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10
Doctors wanted to know if the amount of smoking affected lung capacity. They studied 3 groups (non-smokers, weekly smokers, and daily smokers). What would be the control group?