Space Vocabulary Formative

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Across
  1. 3. A regular, repeating path that one object in space takes around another one.
  2. 4. An invisible force that pulls everything down to the ground
  3. 6. Planets that have a solid core but a very thick atmosphere made of swirling gas such as hydrogen and helium.
  4. 7. The amount of matter in an object.
  5. 8. Anything that takes up space and can be weighed.
  6. 9. The measurement of how tightly packed a material is.
  7. 11. A massive collection of stars, gas, dust, and other matter held together by gravity.
  8. 12. Planets that orbit the sun and are made mostly of rock & metal creating a solid, rocky surface.
  9. 14. pull An invisible force that attracts objects with mass towards each other.
  10. 15. A non-artificially created object that obits around a planet, dwarf planet, or a smaller solar system body.
Down
  1. 1. An object that is human-built and intentionally launched into orbit using a rocket.
  2. 2. Much smaller, round planets that do not have a clear orbit around a star.
  3. 5. The study of the universe and everything outside of the Earth’s atmosphere including planets, stars, galaxies, and comets.
  4. 10. The amount of space inside a 3D object.
  5. 13. An object in space that must orbit a star, be large enough so its own gravity molds it into a spherical shape, and have a clear orbit around a star.