Across
- 2. a combination of elements that make a new material (h2O for example)
- 7. color, shape, hardness, magnetism, reflectivity, solubility are all ______ of matter
- 10. a material that is good at allowing electricity to flow
- 12. this state of matter has loosely packed particles that allow it to flow
- 14. solid, liquid, and gas are different _______ of matter
- 16. this state of matter has tightly packed particle to help keep its shape
- 17. the ability of one substance to dissolve in another
- 19. a combination of materials
Down
- 1. the ________ of matter principle states that even though a substance changes form, the amount of matter stays the same
- 3. anything that has mass and takes up space
- 4. reaction where the material changes into an entirely different material
- 5. a material that is bad at allowing electricity to flow
- 6. a chemical change can usually not be _______
- 8. reaction where the material changes form but is still the same matter
- 9. when something changes from a gas to a liquid
- 11. the measure of how resistant a material is to scratching, bending, or denting
- 13. this state of matter has particles that move around freely
- 14. where dissolved particles are distributed evenly and you can no longer see them
- 15. the smallest building block in the universe (Examples - gold, oxygen, sodium)
- 18. __________ conductors allow heat to flow easily