How Magnifying Glasses Work — Questions and answers

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How did Oscar explain the sand-sculpture making fire?

Choices

  1. It uses a secret button.
  2. Its curve acts like a magnifying glass, bending light to a tiny point. ✓
  3. The heat from the desert makes it happen by itself.
  4. Hana's pencil caused the smoke.

Answer: Its curve acts like a magnifying glass, bending light to a tiny point.

From page 2

Why did Oscar say Enzo's glasses work?

Choices

  1. They are made of sand.
  2. They have carefully shaped lenses. ✓
  3. They are very old.
  4. They were invented in Italy.

Answer: They have carefully shaped lenses.

From page 3

What did Galileo Galilei use lenses to build?

Choices

  1. A library
  2. A magnifying glass
  3. Telescopes ✓
  4. A sandstorm

Answer: Telescopes

From page 8

How did Hana feel when the sandstorm made the oasis dark?

Choices

  1. Happy
  2. Excited
  3. Scared ✓
  4. Confused

Answer: Scared

From page 9