Across
- 3. The scientific idea that all matter is made of tiny particles called atoms.
- 4. The change of state from a solid to a liquid when heat is added.
- 7. A characteristic of matter that can be observed or measured without changing the substance.
- 8. The center of an atom that contains protons and neutrons.
- 14. The number of protons in the nucleus of an atom.
- 15. To spread evenly throughout a liquid, forming a solution.
- 16. A particle with no electrical charge found in the nucleus of an atom.
- 17. A positively charged particle found in the nucleus of an atom.
- 19. A mixture in which one substance is evenly dissolved in another.
- 20. A pure substance made of two or more different elements chemically joined together.
- 22. A change in size, shape, or state that does not create a new substance.
- 23. A measure of how fast the particles in a substance are moving.
- 26. Two or more atoms chemically joined together.
- 28. A state of matter with a definite shape and a definite volume.
- 29. The amount of matter in an object.
- 34. A physical property that can be observed using the senses.
- 35. The amount of space an object or substance takes up.
- 36. The change of state from a gas directly to a solid when heat is removed.
- 37. The change of state from a liquid to a solid when heat is removed.
- 39. The amount of mass in a given volume of matter.
- 40. The physical form of matter: solid, liquid, or gas.
Down
- 1. A change that forms one or more new substances with different properties.
- 2. The ability of a substance to dissolve in a liquid.
- 5. Unable to dissolve in a liquid.
- 6. A state of matter with no definite shape or definite volume that expands to fill its container.
- 9. A particular kind of matter
- 10. A negatively charged particle that moves around the nucleus of an atom.
- 11. A state of matter with a definite volume but no definite shape.
- 12. The change of state from a gas to a liquid when heat is removed.
- 13. Anything that has mass and takes up space.
- 14. The smallest part of an element that still has the properties of that element.
- 18. The law stating that matter cannot be created or destroyed, only changed from one form to another.
- 21. Two or more substances physically combined, with each substance keeping its own properties.
- 24. A physical property that can be measured using numbers and scientific tools.
- 25. The change of state from a solid directly to a gas when heat is added.
- 27. A tiny piece of matter, such as an atom or molecule.
- 30. The substance that is dissolved in a solution.
- 31. Able to dissolve in a liquid.
- 32. The change of state from a liquid to a gas when heat is added.
- 33. The substance that dissolves the solute to form a solution.
- 38. A pure substance made of only one type of atom.
