Week 6 Review

1234567
Across
  1. 3. the force that pulls things down
  2. 5. the place where plants, animals, or people live
  3. 7. the ability to stay alive
Down
  1. 1. a change that helps an animal or plant live
  2. 2. how hot or cold something is
  3. 4. what is all around us that we breathe
  4. 6. the gas we need to breathe