Space and Gravity

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Across
  1. 3. An invisible force that pulls things towards each other. It's what makes an apple fall to the ground and keeps us on Earth.
  2. 4. The curved path that one object takes around another object in space. Planets orbit stars.
  3. 7. System A star (like our Sun) and all the planets, moons, asteroids, and comets that orbit around it.
  4. 9. A natural object that orbits a planet. Earth has one moon.
  5. 10. Everything that exists everywhere, including all space, time, matter, and energy. It's super, super big!
Down
  1. 1. A huge group of billions of stars, dust, and gas held together by gravity. Our solar system is in the Milky Way Galaxy.
  2. 2. A huge ball of hot, glowing gas in space that makes its own light and heat. Our Sun is a star.
  3. 5. A tool that makes faraway objects in space look closer and bigger, helping us see planets, stars, and galaxies.
  4. 6. A large, round object in space that orbits a star. Earth is a planet!
  5. 8. A rocky object, smaller than a planet, that orbits the Sun.