Controlled Nuclear reactors

What do Nuclear reactors use rods of?

What type of reaction do fission reactors produce?

When will neutrons cause a chain reaction?

What are these slowed down neutrons called?

What must the U-235 rods be placed in?

What type of moderator must you use?

What happens if you choose a moderator which absorbs more neutrons at a higher temperature?

What is the critical mass?

What happens if you have any less then the critical mass (sub-critical mass) ?

What mass of fuel do Nuclear reactors use?

What do Nuclear reactors do to control the rate of fission?

How do control rods control the chain reaction?

What are control rods made up of?

In an emergency what will the reactor do?

What does coolant do?

What material is the coolant?

What can the heat from the reactor be used for?

What is the nuclear reactor surrounded by?

What does the shielding do?