Vocabulary

12345678
Across
  1. 1. something is the outside of it.
  2. 4. system includes Earth and the other planets that orbit the Sun.
  3. 7. someone or something, you provide what they need.
  4. 8. tells how hot or how cold that thing is.
Down
  1. 2. is the study of the stars, planets, and other outer space objects.
  2. 3. means the “state of being warm in temperature or feeling.”
  3. 5. something is how much of that thing there is.
  4. 6. is a round model of the world or Earth.