The Speed of Light

What is the Speed of Light?

• How fast light moves

• A unit of speed that is important in physics

• The measurement of light

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How fast is the Speed of Light?

• 299,792,458 meters per second

• 297,754,875 meters per second

• 265,876,456

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If you were to travel at the Speed of Light, how fast could you orbit around the Earth?

• 6.5 times in half a second

• 5.7 times in one second

• 8.3 times in two seconds

• 7.5 times in one second

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Does time stop at the Speed of Light?

• Yes, because when you speed up mass decreases

• No, because time is nothing in space

• Yes, because the faster you move in space, the slower you move in time

• No, because its not possible!

What is a Photon?

• An atom particle

• A particle that carries magnetic light

• A particle that represents light and electromagnetic radiation

• A type of electromagnetic particle that’s a combination of magnetic and electric waves that go through space.

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How long does it take for Mars to have its Speed of light reach Earth?

• One minute

• several minutes

• an hour

• 8 minutes

What tools are needed to measure the speed of light?

• A pencil, glass of water, and oil or sugar

• A light source, a mirror, and vacuum

• Lanterns and a smart mind!

• A light source, a mirror, and a gear wheel, and an observer

Who first disovered the Speed of Light?

• Albert Einstein

• Galileo Galilee

• Olaus Roemer

• Some smart scientist..