Across
- 2. The ability to do work or cause change. It can exist in different forms, like heat, light, or motion.
- 4. The process where a solid changes directly into a gas without becoming a liquid first.
- 5. The amount of matter in an object. It is usually measured in grams or kilograms.
- 7. The smallest unit of an element that retains the properties of that element. Atoms are the building blocks of matter.
- 12. The process where a liquid changes into a gas, usually when heated.
- 13. To lower the temperature of a substance, often causing it to change from a gas to a liquid or a liquid to a solid.
- 14. A state of matter where the substance has a definite volume but takes the shape of its container. The particles are close but can move around each other.
- 16. of Matter The physical form in which a substance exists, such as solid, liquid, gas, or plasma.
- 17. A measure of how much mass is contained in a given volume. It tells us how tightly packed the particles are in a substance.
Down
- 1. The process where a gas changes directly into a solid without becoming a liquid first.
- 3. The process where a liquid changes into a solid, usually when cooled.
- 6. A state of matter similar to gas, but the particles are charged and can conduct electricity. It's found in stars, including the sun.
- 8. The process where a solid changes into a liquid, usually when heated.
- 9. A state of matter where the substance has no definite shape or volume. The particles are far apart and move freely.
- 10. The process where a gas changes into a liquid, often when cooled.
- 11. A state of matter where the substance has a definite shape and volume. The particles are packed closely together and don't move much.
- 15. A form of energy that causes substances to become warmer. It can change the state of matter.
