Why Earthquakes Happen — Questions and answers
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What happened in the science lab that made Koa grab the edge of his stool?
Choices
- A. A beaker of blue liquid spilled on the bench.
- B. A gentle, rolling jolt shook the classroom. ✓
- C. Nia's eyes became wide as she pointed at the window.
- D. Mr. Harris asked a question about a rattling windowpane.
Answer: B. A gentle, rolling jolt shook the classroom.
From page 1
What did Mr. Harris say was like 'giant pieces of sandpaper'?
Choices
- A. The curious students' questions.
- B. Earth's tectonic plates scraping past each other. ✓
- C. The soil underfoot in the city.
- D. Leonardo da Vinci's sayings.
Answer: B. Earth's tectonic plates scraping past each other.
From page 2
What was the name of the supercontinent Alfred Wegener suggested once existed?
Choices
- A. Germany.
- B. Pangea. ✓
- C. South America.
- D. Continental Drift.
Answer: B. Pangea.
From page 4
What is the 'Ring of Fire' known for?
Choices
- A. Growing mountains like the Himalayas.
- B. Being a bright red line on a map.
- C. Explaining the discovery of plate tectonics.
- D. Where most of the world's earthquakes and volcanic eruptions happen. ✓
Answer: D. Where most of the world's earthquakes and volcanic eruptions happen.
From page 7
According to Taj and Koa, why do tectonic plates sometimes get stuck?
Choices
- A. Because they are giant puzzles.
- B. Because of friction. ✓
- C. Because the pressure builds up too much.
- D. Because they are made of sandpaper.
Answer: B. Because of friction.
From page 8
What is the name of the 'sandpaper' edge for Nia's part of California?
Choices
- A. The steep city streets.
- B. The skyscraper rollers.
- C. The San Andreas Fault. ✓
- D. The millions of years of forces.
Answer: C. The San Andreas Fault.
From page 9