Solar System (Gravity)

12345678
Across
  1. 2. existing state of rest or uniform motion.
  2. 3. Measured by matter in the object.
  3. 4. even
  4. 6. is a property of matter by which it continues
  5. 7. Measured by the Gravitational Pull
  6. 8. What orbits the earth?
Down
  1. 1. holds everything down
  2. 2. the Scientist who figured out the gravity
  3. 5. of Gravitational pull keeps the Atmosphere and