Venus Crossword

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Across
  1. 3. A curved shape, like that of the moon when it is less than half illuminated
  2. 5. A name given to Venus when it is visible in the early morning just before the sun rises (don't use a space)
  3. 7. The toxic chemical in the heat-trapping clouds that cover Venus (don't use a space)
Down
  1. 1. The different shapes Venus appears to take as it orbits the sun
  2. 2. The name given to Venus when it is visible just after the sun sets in the sky (don't use a space)
  3. 4. Molten or melted rock that flows from a volcano
  4. 6. A device that sends out signals that bounce off the surface of an object and return to the device, revealing information about that object