Radio Waves

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

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NGSS.HS-PS4-1

Are radio waves electromagnetic waves

• True

• False

Which one uses radio waves?

• Notebook

• Television

• Pencil

• Floor

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NGSS.MS-PS4-2

which two uses radio waves?

• Remote-controlled toy

• Pencil

• Sand

• Television

• Floor

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NGSS.MS-PS4-2

What would be impossible without radio waves?

• Chalk

• Microwave

• Brush

• Rubber band

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what are radio waves used for on earth?

• wireless transmission of sound messages

• information for communication

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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

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NGSS.HS-PS4-4

Which of the following is the frequency range of radio waves?

• 300 kHz – 300 GHz

• 300 GHz - 3 x 10¹³ Hz

• 3 x 1013 Hz - 3 x 10¹⁵ Hz

• 3 GHz - 3 x 10²¹ Hz

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The following are known scientists. Who among them first predicted that radio waves existed

• Galileo Galilee

• Guglielmo Marconi

• Isaac Newton

• James Clerk Maxwell