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Middle round (ages 9–11): Planet Earth. Pages: the ten question cards, two answer sheets to a page (print one page per two teams), and the key on the last page, to fold back.
1. About how much of Earth's land is desert?
- A. about one-third
- B. about one-tenth
- C. about two-thirds
2. Which became the world's first national park, in 1872?
- A. Yellowstone
- B. Yosemite
- C. the Grand Canyon
3. Rock that forms when melted rock cools and hardens is called what?
- A. igneous rock
- B. metamorphic rock
- C. sedimentary rock
4. Near Grand Canyon Village, about how deep is the canyon from rim to river?
- A. about 100 feet
- B. about 10 miles
- C. about one mile
5. What was the giant supercontinent that broke apart into today's continents?
- A. Atlantis
- B. Pangaea
- C. Antarctica
6. What are the three main layers of the Earth?
- A. rock, water and air
- B. crust, lava and ash
- C. crust, mantle and core
7. What instrument records the shaking of an earthquake?
- A. a seismograph
- B. a thermometer
- C. a barometer
8. The Ring of Fire, a belt of volcanoes and earthquakes, circles which ocean?
- A. the Pacific Ocean
- B. the Atlantic Ocean
- C. the Indian Ocean
Team: ______________________
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Team: ______________________
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The key (for the host: fold this page back)
- A: about one-third. Deserts can be hot or cold, but they are always dry.
- A: Yellowstone. Its geysers and hot springs were a big reason it was protected.
- A: igneous rock. Granite, basalt and obsidian are all igneous rocks.
- C: about one mile. That is about 5,000 feet straight down from the South Rim.
- B: Pangaea. Its name means all lands, and it began breaking up about 225 to 200 million years ago.
- C: crust, mantle and core. The core in the very middle is made mostly of the metals iron and nickel.
- A: a seismograph. It draws a zig-zag line called a seismogram.
- A: the Pacific Ocean. Deep ocean trenches run along the Ring of Fire, next to chains of volcanoes.
Every answer checked at its source. Play this round on a screen: peabody.kids/trivia/round?r=b2.tearth.s55524