Across
- 4. when two objects come together with a strong force
- 10. put objects together
- 12. put something together again or in a different way
- 13. work together
- 14. carry out a plan
- 15. how hot or cold something is
- 17. something about an object that you can observe with your senses
Down
- 1. matter that does not have its own shape
- 2. the way an object moves
- 3. put objects that share properties into groups
- 5. collect data from the natural world to answer a question
- 6. the way an object points or moves
- 7. cause a liquid to become a solid
- 8. when two objects come together
- 9. a push or a pull
- 11. anything that takes up space and has mass
- 16. person who plans and builds things to solve a problem