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Scientific Investigations
Test Description: 1st Test
Instructions: Answer all questions to get your test result.
1) 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
Fertilizer
B
Water
C
Flowers
D
Plant growth
2) 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
Speed of the game
B
How well he performs in basketball
C
Apples
D
Number of shots made
3) 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
The microwave
B
Squidward
C
How fast the fish swim
D
The food
4) 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
Gary
B
The cure
C
The amount of slimotosis
D
Spongebob
5) What is an independent variable?
A
The factor in an experiment that is measured
B
An educated guess
C
The factor in an experiment that is controlled and manipulated by the experimenter
6) What is a dependent variable?
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
7) 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
8) 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
Chewing
B
type of gum
C
Hubba Bubba
D
bubble size
9) 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
type of gum
B
Hubba Bubba
C
bubble size
10) 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
If the marble floats
B
Type of water
*select an answer for all questions
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