How many things (independent variables) can we have in an experiment
A.
1
B.
Usually 1
C.
2
D.
as many as possible
4.
How many controlled variables should we have in an experiment
A.
1
B.
Usually 1
C.
2
D.
as many as possible
5.
The variable we keep the same is...
A.
independent variable
B.
dependent variable
C.
controlled variable
6.
Question: How is the brightness of a star when viewed from Earth effected by the distance to the star? The independent variable for this experiment is...
A.
brightness of the star when viewed from Earth
B.
distance to the star
C.
size of the star
D.
mass of the star
7.
Question: How is the brightness of a star when viewed from Earth effected by the distance to the star? The DEPENDENT variable for this experiment is...
A.
brightness of the star when viewed from Earth
B.
distance to the star
C.
size of the star
D.
mass of the star
8.
The variable that we measure in an experiment is the...
A.
independent (manipulated) variable
B.
dependent (responding) variable
C.
controlled variable
9.
The variable that we make different in an experiment is the...
A.
controlled variable
B.
dependent (responding) variable
C.
independent (manipulated) variable
10.
The variable that we keep the same is called the...
A.
independent (manipulated) variable
B.
controlled variable
C.
dependent (responding) variable
11.
In the experiment pictured, a student is testing the effect of the amount of fertilizer on plant growth. What is the independent variable?
A.
amount of water
B.
amount of fertilizer
C.
the type of plant
D.
the size of the plant container
12.
In the experiment pictured, a student is testing the effect of the amount of fertilizer on plant growth. What is the dependent variable?
A.
amount of water
B.
amount of fertilizer
C.
the type of plant
D.
plant growth
13.
Squidward found new reeds to try out for his clarinet. He used an APPLAUSOMETER to measure applause after playing "Under the Sea" with each reed. The results were put in the table. What was the dependent variable?
A.
The Song
B.
The types of Reeds
C.
The Applause
D.
The instrument
14.
Squidward found new reeds to try out for his clarinet. He used an APPLAUSOMETER to measure applause after playing "Under the Sea" with each reed. The results were put in the table. What was the independent variable?
A.
The Song
B.
The types of Reeds
C.
The Applause
D.
The instrument
15.
In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water. Every day for one week, plant growth was measured. What was the independent variable?
A.
Plant growth
B.
Type of liquid
C.
Type of plant
D.
Amount of liquid
16.
In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water. Every day for one week, plant growth was measured. What was the dependent variable?
A.
Type of plant
B.
Plant growth
C.
Type of liquid
D.
Amount of liquid
17.
Squidward found new reeds to try out for his clarinet. He used an APPLAUSOMETER to measure applause after playing. What was the controlled variable?
A.
The instrument
B.
The Applause
C.
Reed size
18.
In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water. Every day for one week, plant growth was measured. What was the controlled variable?
A.
Type of liquid
B.
Type of plant
C.
Plant growth
19.
In the experiment pictured, a student is testing the effect of the amount of fertilizer on plant growth. What is the controlled variable
