Calories and Joules

Convert 66 000 joules into kilojoules.

• 660

• 66

• 6.6

• 0.66

Convert 66 000 joules into megajoules.

• 660

• 66

• 6.6

• 0.066

Which of the following is measured in Joules?

• Work

• Energy

• Heat

• Speed

0.1 kJ = how many joules?

• 1

• 10

• 100

• 1000

True or false: a megajoule = 1000 J

• True

• False

How many joules would there be in 3.4 Megajoules (MJ)?

• 34

• 3400

• 340 000

• 3 400 000

Which of these is equivalent to 55 kJ?

• 55 000 J

• 5 500 J

• 0.055 MJ

• 0.55 MJ

How many MJ are there in 900 000 J?

• 90

• 0.9

• 0.09

• 900

There are 4.2 kJ of energy in one "calorie". How many megajoules are there in one calorie?

• 4200

• 420

• 0.42

• 0.0042

Which is the largest amount of energy?

• 40 kJ

• 0.04 MJ

• 400 000J

• 4 J