Scientific Investigations

Match it! Select the correct answer from the pull down...Good luck!

8. John thinks eating an apple before a basketball game helps him perform better. He decides to test this by eating apples before some of his games. What is the dependent variable?

Spongebob's pet, Gary, has slimotosis. Spongebob wants to get rid of the slimotosis, so he uses 2 different cures. He uses Dr. Kelp and a special cream. What is the dependent variable?

Squidward believes food cooked in the microwave makes fish swim faster. He gives some fish regular food and some microwaved food then he times how fast the fish swim. What is the independent variable?

What is a dependent variable?

Jazon thinks salt water will make things float better than regular water. He puts the same marble in each type of water and measures to see if it floats. What is the independent variable?

Jane wants to know if different fertilizers really make plants grow better. She uses 3 different types of fertilizer with the same type of plant. What is the independent variable?

What is a hypothesis?

Ms. May thinks Hubba Bubba gum will make the biggest bubble, so she test 4 different gums and measures the bubble size. What is the independent variable?