Solar System

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Across
  1. 2. Hottest planet in the solar system
  2. 3. A icy body that orbits the Sun, often with a visible tail when near the Sun.
  3. 5. A dark, cooler region on the Sun’s surface caused by magnetic activity.
  4. 7. Flare A sudden burst of energy and radiation from the Sun’s surface.
  5. 9. Spherical 'cloud' of comets and asteroids that surrounds the solar system
  6. 10. Energy derived from the heat within Earth’s interior.
  7. 12. The impact site of an asteroid believed to have caused the extinction of the dinosaurs.
  8. 13. A small, rocky body orbiting the Sun, mainly found in the asteroid belt.
  9. 14. The process by which hydrogen nuclei combine to form helium, releasing energy.
Down
  1. 1. A meteoroid that survives its passage through Earth's atmosphere and hits the ground.
  2. 4. A small rocky or metallic body moving through space.
  3. 6. The outermost layer of the Sun’s atmosphere, visible during a solar eclipse.
  4. 8. Gases that trap heat in a planet’s atmosphere, contributing to global warming.
  5. 11. Biggest moon of Saturn