Variables Quiz

Variable measured during the experiment

• Independent Variable

• Dependent Variable

Your neighbor believes that the height of a person determines how much food they eat. He measured how many ounces of food people ate who were 4 feet tall, 5 feet tall, and six feet tall?

What is the independent variable?

• ounces of food

• height

Your aunt believes the color of your hair determines how fast you can run. She gathered 3 blond haired boys, 3 brown haired boys, and 3 red haired boys and forced them to race each other.

What is the dependent variable?

• hair color

• speed

Peter is experimenting to see whether water or soda will freeze first. He pours 2 ounces of water into a small paper cup. Then he pours 2 ounces of soda into another small paper cup. He places both cups in the freezer and shuts the door. Peter checks the cups every 5 minutes. Within 30 minutes he notices that the soda has already begun to form ice crystals, while the water has not.

What is the dependent variable in Peter's experiment?

• water and soda

• the cups

• the time it takes the liquids to freeze

Sophie earned $5 for every A she got on her report card.

m = money

A = A on report card

The dependent variable is:

• m = money

• A = A on report card

Dilcia wants to know how drinking milk affects how tall Monica grows. Which is the independent variable?

• Monica's growth

• drinking milk

The independent variable is the ONE thing you _____ to test your hypothesis.

• change
• keep the same
• experiment with
• investigate

The variable that is measured throughout the experiment is the ________________
Hint: It may change as a result of your testing.

• Controlled Variable
• Responsive Variable
• Dependent Variable
• Independent Variable

Catherine is testing which soil will help grass grow the tallest.  The height of the grown grass is the __ variable.

• constant (stays the same)
• independent (it's what you change)
• dependent (it's what you measure)

What would the INDEPENDENT variable be in an experiment testing which  paper airplane design goes furthest?

• the paper used
• the paper airplane design
• the distance of each plane's flight
• how hard the plane is thrown