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WorksheetsVariables and Experiments
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
The variable that I change is the ...
a)
independent variable
b)
dependent variable
c)
control variable
d)
uncontrolled variable
2.
The variable that I measure is the ...
a)
independent variable
b)
dependent variable
c)
control variable
d)
uncontrolled variable
3.
A variable that I keep the same is the ...
a)
independent variable
b)
dependent variable
c)
control variable
d)
uncontrolled variable
4.
In an experiment to find out how the temperature affects the bounce height of a ball, the independent variable is ...
a)
temperature
b)
bounce height
c)
the thermometer
d)
the ruler
5.
In an experiment to find out how the temperature affects the bounce height of a ball, the dependent variable is ...
a)
temperature
b)
bounce height
c)
the thermometer
d)
the ruler
6.
In an experiment to find out how the temperature affects the bounce height of a ball, a control variable is ...
a)
temperature
b)
the type of ball
c)
the thermometer
d)
the ruler
7.
A student wants to find the mass of a small coin. Which of these is a method to obtain a more accurate measurement.
a)
Find the total mass of 20 coins and divide by 20.
b)
Measure the mass of 1 coin 3 times and find the average
c)
Measure the mass of the coin 5 times and plot a graph
d)
Measure the mass of a container and then the container plus coin.
8.
A student is trying to find how long it takes a ball to fall 2 m using a stopwatch. To obtain an accurate result the student could ....
a)
drop 10 different balls and average the times
b)
drop the same ball 3 times and find an average
c)
drop the same ball 3 times and use the shortest time
d)
drop the ball from 4 m and divide the time by 2
9.
To measure the weight of an apple a student could use a...
a)
balance
b)
newton meter
c)
ruler
d)
stopwatch
10.
To measure the volume of a pebble a student could use a...
a)
balance
b)
measuring cylinder
c)
ruler
d)
stopwatch
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