Practical Applications of Electromagnetic Wave

What is non-ionizing radiation?

• A type of safe, low-energy radiation.

• A type of very dangerous, high-energy radiation.

• A type of radiation that can only be found in outer space.

• A type of sound wave.

What is ionizing radiation?

• A type of safe, low-energy radiation.

• A type of very dangerous, high-energy radiation.

• A type of radiation that you can see with your eyes.

• A type of radiation that can travel through water.

Which of the following is an example of non-ionizing radiation?

• X-rays

• Radio waves

• Gamma rays

• Ultraviolet rays

Which of the following is an example of ionizing radiation?

• Microwaves

• X-rays

• Radio waves

• Visible light

Which type of radiation can be harmful to the human body?

• Non-ionizing radiation

• Ionizing radiation

• Both types

• Neither type

What is one use of radio waves?

• Cooking food

• Listening to music on the radio

• Seeing through walls

• Making clothes

What is one risk of X-rays?

• They can cause burns.

• They can harm skin cells.

• They can make food too hot.

• They can make us see better.

Which type of wave is used in microwaves to heat food?

• Gamma rays

• Radio waves

• Microwaves

• Infrared rays

Which type of wave is used in hospitals to see inside the body?

• Ultraviolet rays

• X-rays

• Radio waves

• Microwaves

Which of these is a risk of ultraviolet (UV) rays from the sun?

• They can cause sunburn.

• They can make plants grow faster.

• They can keep us warm.

• They can be used for cooking.