What is radiation?

• Energy that moves from one place to another

• A type of chemical reaction

• A form of sound wave

• A type of plant

Radiation can be:

• Electromagnetic

• Particulate

• Both A and B

• None of the above

Electromagnetic radiation includes which of the following? (Choose all that apply)

• A) Light

• B) X-rays

• C) Alpha particles

• D) Beta particles

Particulate radiation includes which of the following? (Choose all that apply)

• Alpha particles

• Beta particles

• Light

• X-rays

Fill in the blank: Terrestrial radiation comes from the ________ (e.g., radon gas).

• ground

• sun

• water

• air

Fill in the blank: Cosmic radiation comes from ________.

• space

• the ocean

• the Earth's core

• plants

• factories

Fill in the blank: Internal radiation comes from radioactive materials inside our ________.

• bodies

• homes

• clothes

• cars

Which of the following is a man-made source of radiation?

• Medical imaging (X-rays, CT scans)

• Cosmic radiation

• Terrestrial radiation

• Internal radiation

Which of the following is NOT a form of electromagnetic radiation?

• Radio waves

• Microwaves

• Alpha particles

• Infrared

List any two forms of electromagnetic radiation mentioned in the study guide.

• Radio waves, Microwaves

• Sound waves, Water waves

• Infrared, Visible light

• Seismic waves, Ocean waves