Across
- 4. how hot or cold something is
- 7. how much of that thing there is.
- 8. the outside or top layer of something
Down
- 1. a synontm of heat
- 2. Earth and the planets that move around the sun
- 3. when you provide what someone or something needs
- 5. a model of the world
- 6. the study of stars and planets