WorksheetsJoules
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Convert 66 000 joules into kilojoules.
a)
660
b)
66
c)
6.6
d)
0.66
2.
Convert 66 000 joules into megajoules.
a)
660
b)
66
c)
6.6
d)
0.066
3.
Which of the following is measured in Joules?
a)
Work
b)
Energy
c)
Heat
d)
Speed
4.
0.1 kJ = how many joules?
a)
1
b)
10
c)
100
d)
1000
5.
True or false: a megajoule = 1000 J
a)
True
b)
False
6.
How many joules would there be in 3.4 Megajoules (MJ)?
a)
34
b)
3400
c)
340 000
d)
3 400 000
7.
Which of these is equivalent to 55 kJ?
a)
55 000 J
b)
5 500 J
c)
0.055 MJ
d)
0.55 MJ
8.
How many MJ are there in 900 000 J?
a)
90
b)
0.9
c)
0.09
d)
900
9.
There are 4.2 kJ of energy in one "calorie". How many megajoules are there in one calorie?
a)
4200
b)
420
c)
0.42
d)
0.0042
10.
Which is the largest amount of energy?
a)
40 kJ
b)
0.04 MJ
c)
400 000J
d)
4 J
100 %
