Nuclear energy - basics

What is nuclear fusion?

• The joining of two light nuclei

• The splitting of a heavy nucleus

• The splitting of an atom

What is nuclear fission?

• The splitting of an atom

• The splitting of a heavy nucleus

• The joining of two light nuclei

Takes two small nuclei and combines them into a larger nucleus

• fusion

• fission

Which process do nuclear power-plants use?

• Fusion

• Fission

• Fusion or fission

• Half-life

An example of an uncontrolled fission reaction is _______________

• Nuclear power plants

• Atomic Bomb

• On the surface of the sun

Why do scientists most want to learn more about fusion?

To win the Nobel prize

• To produce cleaner energy for people to use

• To destroy the world

• To know more about stars

Nuclear fusion releases energy when:

• very light nuclei fuse together

• uranium splits into two fragments

Where does fusion occur naturally?

• In bombs

• In stars

• In power stations