Science and Space

123456789
Across
  1. 2. The study of life and living organisms.
  2. 6. The force that keeps planets in orbit and objects on the ground.
  3. 7. The center of an atom where protons and neutrons are found.
  4. 9. A small rocky object that orbits the Sun, mostly found between Mars and Jupiter.
Down
  1. 1. The process by which plants make their own food using sunlight.
  2. 3. HOLE A region in space with such strong gravity that nothing, not even light, can escape.
  3. 4. A tiny particle with a negative charge that orbits an atom’s nucleus.
  4. 5. The hottest planet in the Solar System, named after a Roman goddess.
  5. 6. A vast collection of stars, planets, and dust bound by gravity.
  6. 8. The fourth planet from the Sun, known as the Red Planet.