Radio waves

Which one uses radio waves?

• Notebook

• Television

• Pencil

• Floor

What is the frequency of a radio wave?

• low as 1 Hz and as high as 2 gigahertz

• low as 3 Hz and as high as 6 gigahertz

• low as 3 Hz and as high as 1 gigahertz

How do radio waves work?

• A radio works by converting a specific wavelength into vibrations, generating sound from the speakers.

• They work by going trough and playing sound

• They work by going into the cord and play sound

• Radio waves work by converting vibration to speakers

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which two uses radio waves?

• Remote-controlled toy

• Pencil

• Sand

• Television

• Floor

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What would be impossible without radio waves?

• Chalk

• Microwave

• Brush

• Rubber band

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NGSS.MS-PS4-2

what are radio waves used for on earth?

• wireless transmission of sound messages

• information for communication

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Are radio waves electromagnetic waves

• True

• False

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What are the properties of a radio wave?

• frequency

• protons

• amplitude

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Can radio waves damage your DNA and even lead to cancer?

• False

• True

Radio waves have a shorter wavelength and higher frequency than infrared rays.

• True

• False