Across
- 4. A measure of mass per unit volume of a substance.
- 7. Often referred to as the fourth state of matter, also considered a fluid.
- 9. A substance that can flow and change its shape easily (includes liquids and gases).
- 11. This affects the speed at which particles move
- 16. Force applied over a specific area; pressure within a fluid decreases as its speed increases (Bernoulli's principle).
- 17. A scientific procedure carried out to test a hypothesis.
- 18. A state of matter with no fixed shape or volume, and the highest kinetic energy
- 19. The scientific study of matter and its properties.
Down
- 1. A state of matter with a rigid shape where particles only vibrate in place
- 2. This shows the temperature by the expansion or contraction of a liquid
- 3. is a measure of how much space a substance takes up
- 5. In this there are space between the particles
- 6. A thing that is known or proved to be true.
- 8. The ability to do work
- 9. Any material that flows and has no fixed shape, such as liquids and gases.
- 10. Theory is a simple way of describing matter and its behaviour
- 12. Expansion This is an increase in the volume of a substance in response to an increase in its temperature
- 13. Anything that has _____ and volume
- 14. A system of ideas intended to explain something, generally accepted as true.
- 15. Is a measure of how much matter there is in a substance