Across
- 3. a liquid that changes to gas when heated.
- 6. the substances that are formed as a result of a chemical reaction.
- 11. description of something.
- 13. the force of gravity actings on an object's mass.
- 14. that travels from a source.
- 16. the ability of a substance to easily catch fire and burn rapidly.
- 18. a negatively charged, particles found within atoms.
- 19. it is electromagnetic radiation.
- 20. a force of attraction that is between any two objects.
- 22. a thing made up of two elements.
- 24. it is the path of a celestial body.
- 25. the unit of measurement for energy.
Down
- 1. a chemical element
- 2. it dissolves in another substance.
- 4. a measure of how much space a thing.
- 5. has volume but no fixed shape.
- 7. an instrument used to measure temperature.
- 8. a measure of how much mass is packed into a given volume.
- 9. Atoms are basic building blocks of all matter.
- 10. a type of electromagnetic radiation with nish energy and short wavelength.s
- 12. I'd due to a different temperature.
- 15. it is an atom,a cell brain structure.
- 17. variable,the thing that changes.
- 21. being measured or observed in an experiment.
- 23. Energy, the energy possessed by an object from motion.