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Variables
Test Description: Review of terms for scientific inquiry
Instructions: Answer all questions to get your test result.
1) Define independent variable?
A
What you are keeping the same in an experiment
B
All the things that you change in an experiment
C
The one thing you are testing or changing in an experiment
D
The results you are looking for in an experiment
2) Define dependent variable
A
Anything that happens in an experiment
B
The results you are looking for in an experiment
C
What you are keeping the same in an experiment
D
What you are testing in an experiment
3) Define constant variable
A
All the variables that are changed in an experiment
B
The results of the experiment
C
The one variable that is changed in an experiment
D
All the variables that are kept the same in an experiment
4) Why is it important to have a controlled experiment?
A
Keeping all the variables the same except the one you are testing creates a valid and reliable experiment
B
Creating an experiment where the safety guidelines are followed means no one will get hurt
C
Having an experiment that is controlled means that nothing will go wrong
D
A controlled experiment gaurantees your hypothesis will be supported
5) Identify the independent variable for the following experiment: How does the amount of ozone in the air affect the air temperature?
A
Time of day
B
Air quality
C
Amount of ozone in the air
D
Temperature of the air
6) Identify the independent variable for the following experiment: How does the incline of a ramp affect the amount of forced needed to push something up the ramp?
A
Amount of force
B
Material the ramp is made of
C
Incline of the ramp
D
Type of ramp
7) Identify the dependent variable of the following experiment: As you increase the mass of an object how does that affect the rate the object falls
A
How hard you drop the object
B
Mass of the object
C
How the object falls
D
How fast the object falls
8) Identify the dependent variable of the following experiment: Does the type of light affect the height of a plant?
A
Amount of water used
B
Type of light
C
Height of the plant
D
The plant you are using
9) Identify the constant variables for the following experiment: Which type of ball will bounce the highest?
A
Where you bounce the ball, who bounces the ball, how hard you bounce the ball
B
Type of ball, how hard you bounce the ball, where you bounce the ball
C
how high the ball goes, how high you drop the ball from, who bounces the ball
D
Where you bounce the ball, the material the ball is made of, who bounces the ball
10) Identify the constant variables for the following experiment: How does the presence of cheese affect if a mouse will be able to get through a maze?
A
The maze, the mouse getting through the maze, cheese
B
Mouse, if there is cheese or not, the maze
C
Mouse, type of cheese, the maze
D
How fast the mouse moves, the mouse, if there is cheese or not
*select an answer for all questions
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