7th Grade solar system

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Across
  1. 1. is the amount of matter present in an object.
  2. 4. is the most massive planet in the solar system.
  3. 5. is a dwarf planet located in the asteroid belt.
  4. 6. is a loose ball of ice and rock that usually has a long, narrow orbit around the sun
  5. 9. is a small, mostly rocky or metallic body that orbits the sun in the inner solar system.
  6. 11. is an object that orbits the sun and has enough gravity to be round but has not cleared the area of its orbit.
Down
  1. 1. When a meteoroid enters Earth’s atmosphere in a streak of light, it is called a.
  2. 2. is a region beyond Neptune’s orbit extending 30 to 50 AU from the sun.
  3. 3. is the distance from the sun to the center of Earth.
  4. 6. refers to what makes up an object or a material.
  5. 7. observed the effects of gravity on Earth as well as on the motions of objects in the solar system.
  6. 8. governs the motion of all objects in the solar system.
  7. 10. is an average-sized star, composed of helium and hydrogen, at the center of the solar system.