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?
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Question 1
1.
Drag the item to its corresponding category. Dependent, independent, or control variable.
Ramp Height
Marble Mass
Marble Distance
Marble Speed
Ramp Length
Marble Smoothness
Independent Variable
Dependent Variable
Control Variable
Question 2
2.
Using the graph above, identify the item to its corresponding category by dragging. Dependent, independent, or control variable.
Bean Plant Growth
Amount of Sunlight
Amount of Soil
Height of Plants
Type of Fertilzer
Independent Variable
Dependent Variable
Control Variables
Question 3
3.
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.
Excersize
Heart Rate
Blood Pressure
Type of Beverage
Cafeined Drink
Independent Variable
Dependent Variable
Control Variables
Question 4
4.
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.
Size of the basketball
Free Throw Shooting Percentage
Basket Ball Air Pressure
Height of the basket
The music they were listening to while shooting
Independent Variable
Dependent Variable
Control Variables
Question 5
5.
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.
