Stars are powered by what type of nuclear reaction?

• fission

• fusion

Which type of nuclear reaction have people been able to effectively harness for power?

• fission

• fusion

Which type of nuclear reaction produces larger amounts of energy?

• fission

• fusion

Which type of nuclear reaction describes a large nucleus splitting into smaller ones?

• fission

• fusion

Which part of the atom is affected by a nuclear reaction?

• the electrons in its energy levels

• the protons and neutrons at its center

Which type of radioactive decay can be blocked by tissue paper?

• alpha particles

• beta particles

• positrons

• gamma radiation

What types of radioactive decay has a negative charge?

• alpha particles

• beta particles

• positrons

• gamma radiation

What types of radioactive decay is composed of antimatter particles?

• alpha particles

• beta particles

• positrons

• gamma radiation

What is the highest-energy type of radioactive decay?

• alpha particles

• beta particles

• positrons

• gamma radiation

Which type of radioactive decay has NO mass?

• alpha particles

• beta particles

• positrons

• gamma radiation