N3

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

How do nuclear power-plants work?

• Fusion
• Half-life
• Fission
• Fusion or fission

This is an example of...

• Fission  reaction
• Fusion reaction
• Decomposition reaction
• Decay

Where does fusion occur naturally?

• Underwater
• All around us
• In the radioactive waste
• On the sun

Which atoms combine together during fusion reaction on the sun?

• Helium and Hydrogen atoms
• Hydrogen atoms
• Hydrogen and Lithium atoms
• Hydrogen and Carbon atoms

The function of the moderator in a nuclear is to........

• Stop chain reaction

• Absorb neutrons

• Reduce the speed of neutrons

• Reduce temperature

The function of control rods is nuclear plants is to

• control temperature

• control radioactive pollution

• control absorption of neutron

• control fuel consumption

Nuclear Power uses ____________ to create energy

• coal

• natural gas

• uranium

• cooling towers

Choose THREE benefits of using nuclear power

• no CO2 emitted to the atmosphere to cause global warming

• no fossil fuels are burned

• there is no waste with nuclear power

• it provides a large amount of electricity

• the waste stays radioactive for thousands of years

What does this picture show about nuclear power?

• it shows that nuclear waste is dangerous

• it shows that nuclear power provides a lot of electricity

• it shows that nuclear power happens in a reactor

• it shows that we have to dig uranium out of the ground