Core Curriculum
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A puzzle centered on geology and Earth science. Solve clues about our planet's layers and features with a touch of clever wordplay.
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Select a cell to see clues
Across
- 1AHow our 'third rock' compares to Jupiter, say
- 4AThird rock from the sun
- 5A'Ogres have them,' per Shrek
Down
- 1DThe Earth's crust, for one
- 2DAn impressive display, like a geode's crystals
- 3DMuddy, destructive flow from a volcano
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