How many main types of nuclear reactions are there?

What do nuclear reactions involve?

What does fission mean?

What is nuclear fission?

What happens to the nucleus during nuclear fission?

What must normally happen for fission to occur?

What is nuclear fission used for?

What main products does the nucleus undergoing fission split into?

What is the name for released neutrons causing more fission?

What are the sizes of the produced nuclei?

What do we call the two produced nuclei from fission?

What can the released neutrons then do?

What do we call a fission caused by neutron absorption?

What type of energy do all fission products have?

Give an example of a large unstable nucleus.

Give an example of a large unstable nucleus.

What is the name for nuclear fission happening on its own?

Why do nuclear reactions need to be controlled?

What happens when a nuclear reaction isn’t controlled?

Where is the chain reaction controlled?

What is the opposite of nuclear fission?

What happens in nuclear fusion?

What else is released during nuclear fusion?

What else is emitted during a nuclear fission?

Why don’t we use nuclear fusion to provide energy yet?