Why is Radiation Important?

What statement is true about radiation?

• Emission of radiation due to a spontaneous change in the nucleus

• Energy transfer by waves or particles

• Only the transfer of heat energy

• The process of nuclear fission

What is radiation?

• The energy that is released as particles or rays, during radioactive decay.

• Radiation is the process of converting matter into energy.
• The property of an atom that describes spontaneous changes in its nucleus that create a different nuclide (isotope).

• Radiation is the emission of visible light only.

What is radioactivity?

• The property of an atom that describes spontaneous changes in its nucleus that create a different nuclide (isotope).

• The process of converting light energy into chemical energy.

• The energy that is released as particles or rays, during radioactive decay.

• The process of converting sound waves into electrical signals for transmission

What does radioactivity involve?

• Energy transfer by waves or particles

• Emission of radiation due to a spontaneous change in the composition of the nucleus

• The process of nuclear fusion

• The transfer of sound waves

According to the Centers for Disease Control and Prevention, what is Radon?

• A) A type of soil

• B) A colorless, odorless, radioactive gas

• C) A water pollutant

• D) A rock mineral

How can Radon enter homes and buildings?

• A) Through open windows only

• B) By attaching to dust particles

• C) Through small cracks or holes

• D) It cannot enter homes or buildings

What health risk is associated with breathing in high levels of Radon?

• A) Skin cancer

• B) Lung cancer

• C) Heart disease

• D) Asthma

What is the sequence of decay from uranium in the soil and rocks?

• Uranium → Radon → Radium

• Radium → Uranium → Radon

• Uranium → Radium → Radon

• Radon → Radium → Uranium

What decays into radium and then into radon?

• Soil

• Rocks

• Uranium

• Water

The number of __________ determines the element's identity.

• Protons

• Neutrons

• Electrons

• Molecules