fusion and fission

Key words relating to nuclear fusion and fission
What does the word fission mean?
splitting apart.
What does the word fusion mean?
Fusion means 'joining together'.
Where does nuclear fusion happen?
Nuclear fusion is how stars like our sun produce energy.
In nuclear fusion what 2 things are fusing?
Hydrogen atoms fuse together to produce helium atoms.
What types of energy does the sun produce?
light and heat
What is the fuel used in nuclear fission?
Uranium or plutonium- these are radioactive metals.
What conditions are needed for nuclear fusion to happen?
High temperature and high pressure
How could you stop nuclear fusion ?
By cooling down the temperature or reducing the pressure

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com.
Click to see the original works with their full license.