Unit 7/8 Review

How long does it take the Earth to rotate on its axis one full time?

• 12-13 hours
• 24-25 hours
• 32-33 hours
• 1200-1201 hours

Our days would be longer if.....

• Earth rotated faster
• Earth had more seasons
• Earth had less seasons
• Earth rotated slower

What does the Earth have that the moon does NOT?

• Carbon Dioxide
• Nitrogen
• Oxygen
• Water

Why can Earth be seen from space?

• Earth reflects the moon's light
• Earth is made mostly of water
• Earth reflects the sun's light
• The Earth rotates

When solar energy is absorbed what happens to water?

• It evaporates
• It condenses and forms clouds
• Clouds release precipitation
• Rain freezes as it falls

Mr. Voit wanted to teach rotation to his class, he tied a string to a ball and swung it around his head. What safety equipment should he use?

• Gloves
• Goggles
• NONE
• Eyewash station

What is wrong with using this model to teach rotation?

• It makes forces easy to see
• The materials are hard to find
• The distances are not to scale
• It does not use motion

The sun is made of

• land
• gas
• water
• air

The moon

• has craters
• has life
• has water
• is made from gas

The Earth is the only planet in our solar system that has....

• gravity
• craters
• life
• moon