Across
- 4. What's a group of two or more atoms held together by chemical bonds?
- 6. What is anything that has mass and takes up space?
- 8. What's the total energy of the motion of all the particles in an object?
- 9. What is the study of matter and how matter changes?
- 11. What is the measure of the force of gravity on you?
- 12. What's the characteristic of a substance that can be observed without changing it into another substance?
- 13. What changes in matter that produces one or more new substances?
- 15. What is a substance made of two or more elements that are chemically combined in a set ratio?
Down
- 1. What releases energy?
- 2. What is the amount of space that matter occupies?
- 3. What's a substance that cannot be broken down into any other substances by chemical or physical means?
- 5. What do you call the measure of how hot or cold something is?
- 7. What's the measure of the mass of a material in a given volume?
- 10. What is a change in which energy is absorbed?
- 14. What is the basic particle from which all elements are made?