Amplify-What is light?

What is the speed of light in a vacuum?

• 100,000 miles per second

• 186,000 miles per second

• 250,000 miles per second

• 300,000 miles per second

How does light from the sun travel?

• In particles

• In straight lines

• In waves

• In zigzag patterns

What is white light?

• A mix of different wavelengths

• A single wavelength

• A mix of only red and blue light

• A mix of only green and yellow light

What is the greatest source of light for Earth?

• The moon

• Artificial light

• Stars

• The sun

Light and heat energy from the sun warms Earth.

What is the missing word in the passage?

What are some examples of sources of light other than the sun?

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