Core Curriculum

Get ready to dig deep for the answers.
A puzzle centered on geology and Earth science. Solve clues about our planet's layers and features with a touch of clever wordplay.
Select a cell to see clues
1
2
3
4
5
Print

Across

  • 1A
    How our 'third rock' compares to Jupiter, say
  • 4A
    Third rock from the sun
  • 5A
    'Ogres have them,' per Shrek

Down

  • 1D
    The Earth's crust, for one
  • 2D
    An impressive display, like a geode's crystals
  • 3D
    Muddy, destructive flow from a volcano