Science Cross Word Puzzle

This printable crossword puzzle on the topic of Astronomy & Space has 12 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Small, rocky objects that orbit the Sun in the asteroid belt between Mars and Jupiter.
Gas, dust, and ice and moves around the Sun in an oval shaped orbit.
The average distance from Earth to the Sun about 150 million km.
Time it takes an object to travel once around the Sun.
Time it takes an object to complete one rotation.
Earth and the other Inner Planets.
When a planets atmosphere traps solar energy and causes the surface temperature to increase.
The 4 largest moons of Jupiter Io, Europa, Ganymede, and Callisto.
A small, rocky particle that moves through space.
A streak of light in Earth's atmosphere made by a glowing meteoroid.
A meteoroid that strikes a planet or moon.
A round depression formed on the surface of a planet, moon, or other space object by the impact of a meteorite