National Geographic Readers: Planets: Criss Cross

Answer clues based on the content and vocabulary words from National Geographic Readers: Planets. Look for hints in the Word Bank. Print the puzzle or use on your tablet, phone, or computer.
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Check Puzzle

Across

  • 2. All gas giants have ___ made of mostly ice and dust.
  • 4. Mercury, Venus, Earth and Mars are made of ___ and metal.
  • 6. A ___ is a huge ball of hot gas that makes heat and light.
  • 7. You can use a ___ to get a better view of objects in space.
  • 8. Jupiter, Saturn, Uranus, and Neptune are made of ___ and liquid.

Down

  • 1. An objects made of ice or rock that orbits a planet is called a ___.
  • 3. An invisible force that pulls objects toward a planet or star is called ___.
  • 4. Planets ___ light from stars.
  • 5. Most stars have ___ moving around them.
  • 6. Our planet Earth orbits the ___.

Word Bank

star
planets
reflect
sun
gravity
rock
gas
rings
moon
telescope