Yr 9 Sci - Radiation

Which of the following is NOT a form of radiation

• Gamma

• Delta

• Alpha

• Beta

Which of the following is the symbol for alpha particles?

• α

• β

• δ

• β

Alpha particles are composed of

• 4 neutrons

• 2 neutrons and 2 protons

• 2 protons and 2 radioactive electrons

• energy

Beta particles are composed of

• x rays

• 2 neutrons and 2 protons

• an electron

• energy

Gamma particles are composed of

• x rays

• 2 neutrons and 2 protons

• an electron

• photons (pure energy)

Alpha particles have the greatest mass, then beta and gamma particles do not have any mass.

• True

• False

All particles in a radioactive atom are emitted from:

• the surrounding atoms

• the nucleus

• the orbiting shells

• the waves

Which of the following cause damage to human tissue because they come from heavy metals?

• Yo mama's particles

• Alpha particles

• Gamma particles

• Beta particles

Which of the following are most similar to X-rays

• Delta particles

• Alpha particles

• Gamma particles

• Beta particles

The particle that does the least amount of damage is a:

• Gamma particle

• Dust particle

• Alpha particle

• Beta particle