Scientific Investigations Question Preview (ID: 43330)


1st Test. TEACHERS: click here for quick copy question ID numbers.

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?
a) Plant growth
b) Fertilizer
c) Water
d) Flowers

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?
a) How well he performs in basketball
b) Apples
c) Number of shots made
d) Speed of the game

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?
a) How fast the fish swim
b) The microwave
c) The food
d) Squidward

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?
a) Spongebob
b) The cure
c) Gary
d) The amount of slimotosis

What is an independent variable?
a) The factor in an experiment that is measured
b) The factor in an experiment that is controlled and manipulated by the experimenter
c) An educated guess
d)

What is a dependent variable?
a) The factor in an experiment that is controlled and manipulated by the experimenter
b) The factor in an experiment that is measured
c) An educated guess
d)

What is a hypothesis?
a) An educated guess
b) The factor in an experiment that is measured
c) The factor in an experiment that is controlled and manipulated by the experimenter
d)

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?
a) type of gum
b) bubble size
c) Hubba Bubba
d) Chewing

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 dependent variable?
a) bubble size
b) type of gum
c) Hubba Bubba
d)

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?
a) Type of water
b) If the marble floats
c)
d)

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