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Q 1/10
Score 0
A fair experiment has only changes one _________________________ variable at a time.
120
independent
controlled
dependent
Q 2/10
Score 0
The height of bean plants depends on the amount of water they receive. What is the independent variable?
120
Amount of water
Bean plant
height of bean plant
10 questions
Q.
A fair experiment has only changes one _________________________ variable at a time.
1
120 sec
Q.
The height of bean plants depends on the amount of water they receive. What is the independent variable?
2
120 sec
Q.
You can always ________________________ the dependent variable in an experiment.
3
120 sec
Q.
The height of bean plants depends on the amount of water they receive. What is the dependent variable?
4
120 sec
Q.
The higher the temperature of the air in the oven, the faster a cake will bake. What is the independent variable?
5
120 sec
Q.
The higher the temperature of the air in the oven, the faster a cake will bake. What is the dependent variable?
6
120 sec
Q.
Lemon trees receiving the most water produced the most lemons. What is the dependent variable?
7
120 sec
Q.
An investigation found that more potatoes were produced when the soil was fertilized more. What is the independent variable?
8
120 sec
Q.
Four groups of rats are first massed and then fed identical diets except for the amount of
vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats’
masses are measured again to see if there has been a decrease. What is the independent variable?
9
120 sec
Q.
In a scientific experiment the variable that you change is the __________________.
