Scientific Method Quiz

What is the independent variable in Jack's experiment?

• the distance the paper airplane glides
• the weight of the paper airplane

What is the dependent variable in Jack's experiment?

• the distance the paper airplane glides
• the weight of the paper airplane

What is Jack's hypothesis?

• Paper airplanes can glide if they are thrown with a lot of force.
• If kids play with paper airplanes, they will stay out of trouble.
• If the weight of the paper airplane is increased, then the plane will glide farther.
• Changing the weight of the paper airplane can make it glide differently.

What is one controlled variable Jack should have in his experiment?

What is the independent variable in Jill's experiment?

• fertilizer added to plants
• the height of plants

What is the dependent variable in Jill's experiment?

• fertilizer added to plants
• the height of plants

What is Jill's hypothesis?

• Plants can grow in gardens with fertilizer.
• If plants are given fertilizer, then the plants will grow taller.
• If plants are in a garden, then they will grow tall.
• Giving plants fertilizer can make them grow differently.

What is one controlled variable that Jill should have in her experiment?