How Glaciers Shape the Land — Questions and answers

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What big idea did Louis Agassiz present in 1837?

Choices

  1. That the Earth was made of only water
  2. That much of the Earth had once been covered in immense sheets of ice ✓
  3. That mountains could fly
  4. That snails were the fastest animals

Answer: That much of the Earth had once been covered in immense sheets of ice

From page 6

What percentage of all land on Earth is still covered by glacial ice today?

Choices

  1. About 1%
  2. About 10% ✓
  3. About 50%
  4. About 75%

Answer: About 10%

From page 7

Who was the naturalist Rohan remembered who explored valleys carved by glaciers?

Choices

  1. Rohan's dad
  2. John Muir ✓
  3. Louis Agassiz
  4. A park ranger

Answer: John Muir

From page 9

What question does Rohan's father ponder about melting glaciers?

Choices

  1. If they will become new mountains
  2. What happens to the world's oceans when the last great ice sheets melt ✓
  3. How fast they can move
  4. If they will make the Earth colder

Answer: What happens to the world's oceans when the last great ice sheets melt

From page 10