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Middle round (ages 9–11): Planet Earth · Space · Plants and trees · Weather. 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 two-thirds
- B. about one-tenth
- C. about one-third
2. About how far is the Sun from Earth?
- A. about 93 thousand miles
- B. about 93 million miles
- C. about 93 billion miles
3. What is the green pigment in leaves called?
- A. keratin
- B. chlorophyll
- C. melanin
4. Thin, wispy cirrus clouds are made mostly of what?
- A. raindrops
- B. ice crystals
- C. dust
5. Rock that forms when melted rock cools and hardens is called what?
- A. metamorphic rock
- B. sedimentary rock
- C. igneous rock
6. Who was the first American woman to fly in space?
- A. Eileen Collins
- B. Peggy Whitson
- C. Sally Ride
7. Which kind of tree is among the oldest living things on Earth?
- A. the bristlecone pine
- B. the palm tree
- C. the apple tree
8. Which became the world's first national park, in 1872?
- A. the Grand Canyon
- B. Yosemite
- C. Yellowstone
9. About how many Earth days does Mercury take to go once around the Sun?
- A. 687 days
- B. 365 days
- C. 88 days
10. The General Sherman Tree is the world's largest tree by which measure?
- A. volume
- B. age
- C. height
Team: ______________________
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Team: ______________________
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The key (for the host: fold this page back)
- C: about one-third. Deserts can be hot or cold, but they are always dry.
- B: about 93 million miles. That is about 150 million kilometers.
- B: chlorophyll. It is the most common pigment in a leaf, which is why most leaves look green.
- B: ice crystals. Cirrus clouds float very high up, where the air is freezing cold.
- C: igneous rock. Granite, basalt and obsidian are all igneous rocks.
- C: Sally Ride. She flew on the space shuttle in 1983 and later became a physics professor.
- A: the bristlecone pine. Some bristlecone pines are thousands of years old, so their rings record ancient weather.
- C: Yellowstone. Its geysers and hot springs were a big reason it was protected.
- C: 88 days. That makes Mercury the fastest planet in our solar system.
- A: volume. This giant sequoia holds about 52,500 cubic feet of wood.
Every answer checked at its source. Play this round on a screen: peabody.kids/trivia/round?r=b2.tearth*3,space*3,plants*3,weather*1.s314