One Strange Rock - Episode 3 - "Shield"

According to Will Smith, what is the fuel of life?

• The moon

• The sun

• The ocean

• Oxygen

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What 3 things help shield us from the sun?

• The oceans, atmosphere, and life itself

• The earth’s core, vegetation, and life itself

• The earth’s core, atmosphere, and the ocean

• The earth’s core, atmosphere, and life itself

What is unique about viewing the sun from space?

• Looks like it’s viewed from a black sky.

• Looks like it’s viewed from a blue sky.

• Looks like it’s very tiny.

• Looks like it’s a reflection.

What extreme temperatures must the astronaut suit be able to withstand?

• -250 in the shade to 250 in the sun

• -150 in the shade to 150 in the sun

• -450 in the shade to 450 in the sun

• -350 in the shade to 350 in the sun

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How has the sun impacted Mars?

• Killed all life and evaporated the oceans.

• Destroyed the atmosphere and evaporated the oceans.

• Destroyed the atmosphere and made it unbearably cold.

• Destroyed the atmosphere and killed all life.

Why do scientists study active volcanoes?

• Best way to understand volcanoes in other planets.

• Best way to compare with the sun.

• Best way to predict what will happen in the future.

• Best way to see what is happening in the core.

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How hot is the lava spewing from the volcano?

• 20 degrees Fahrenheit

• 200 degrees Fahrenheit

• 2000 degrees Fahrenheit

• 20000 degrees Fahrenheit

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What function does the Uranium and Thorium in the gas released from the volcano serve

• Helps maintain the ocean's temperature.

• Helps maintain good oxygen levels.

• Helps maintain the heat of Earth.

• Helps maintain the Earth's rotation.

What do the churning metals in the core create?

• Earth’s North and South poles

• Earth’s continents

• Earth’s magnetic field

• Earth’s seasons

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How far does Earth’s magnetic field stretch into space?

• 400,000 miles

• 40,000 miles

• 4,000,000 miles

• 4,000 miles

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