Kelly has an idea that a marble would travel at a faster speed if it is placed at a higher starting position on a ramp. This discussion leads to the following scientific question. What happens to marble speed when the ramp height is raised or lowered?
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Drag the item to its corresponding category. Dependent, independent, or control variable.
Marble Smoothness
Ramp Length
Marble Distance
Marble Speed
Ramp Height
Marble Mass
Independent Variable
Dependent Variable
Control Variable
Using the graph above, identify the item to its corresponding category by dragging. Dependent, independent, or control variable.
Amount of Soil
Amount of Sunlight
Height of Plants
Bean Plant Growth
Type of Fertilzer
Independent Variable
Dependent Variable
Control Variables
Two kids decide to test if drinking cafeine increases their heart rate and blood pressure. They both test their resting heart rate, and drink a caffeinate beverage, then remeasure their heart rates an hour later.
Cafeined Drink
Excersize
Heart Rate
Blood Pressure
Type of Beverage
Independent Variable
Dependent Variable
Control Variables
Addie and Elyse were playing basketball after school. They noticed that one of their basketballs had lower air pressure compared to the other. They decided to do an experiment to test if the amount of air pressure in the basketball would affect their free throw shooting percentage.
Height of the basket
Free Throw Shooting Percentage
Size of the basketball
Basket Ball Air Pressure
The music they were listening to while shooting
Independent Variable
Dependent Variable
Control Variables
Logan and Josh were testing how bitter people would taste a type of hard candy. They noticed that older people tasted the candy differently than younger people. They decided to test if a person's age affects how bitter they taste a Warhead candy.
