Van Allen Belts

When were the Van Allen Belts discovered?

• 1945

• 1958

• 1972

• 2012

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NGSS.HS-PS2-5

How many belts are there?

• 1

• 2

• 2 or 3 depending on the situation

• 4

How do the Van Allen belts protect life on earth?

• deflect high energy radiation

• reduce the greenhouse effect

• increase solar energy

• block black body radiation

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NGSS.HS-PS4-3

Why do astronauts want to stay out of the Van Allen Belts?

• they don't.

• they contain high energy particles

• nuclear decay is occuring

• the radiation will poison their food

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The launch of what led to the discovery of the belts?

• Space Shuttle - American Girl

• Apollo 13

• Apollo 1

• Explorer 1

What was Explorer 1?

• space probe

• space station

• satellite

• nuclear arsenal

What was in the Explorer 1 that detected the belts?

• tape recorder

• geiger counter and tape recorder

• electroscope

• magnetoprobe

On occasion, the International Space Station is engulfed in one of the belts. Why is this a problem?

• radiation exposure for humans is cumulative

• radiation is hard on electronic devices

• it slows the rate of orbit

• the tools become radioactive

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NGSS.HS-PS4-4

What is the van Allen belt made up of?

• protons

• electrons

• protons and electrons

• solar wind

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NGSS.HS-PS3-5

The moon falls within the van Allen belts.

• True

• False