ACP Unit 3.1 Nuclear

Front

What happens to mass in a nuclear reaction?

Back

Some mass is converted into energy.

Front

What is nuclear fusion?

Back

A process where two hydrogen atoms are combined to form a helium atom.

Front

Are fission reactions helpful or harmful?

Back

Helpful; they produce energy in nuclear power plants.

Front

What is the effect of gamma radiation on the human body?

Back

Harmful; it can pass through skin and ionize atoms.

Front

Can radiation be used to alter DNA in seeds?

Back

Helpful; it can be used to alter the DNA of vegetable seeds.

Front

What is the law of conservation of mass?

Back

Mass cannot be created or destroyed in a chemical reaction.

Front

What is the difference between nuclear fission and fusion?

Back

Fission splits heavy nuclei into lighter ones; fusion combines light nuclei into heavier ones.

Front

What is a chain reaction in nuclear fission?

Back

A process where the products of one fission reaction cause further fission reactions.

Front

What is ionization?

Back

The process of adding or removing electrons from an atom, creating ions.

Front

What are isotopes?

Back

Atoms of the same element with different numbers of neutrons.