Across
- 1. Negatively charged particle orbiting the nucleus.
- 4. Strong metal element in crust and core.
- 6. Common element in living things.
- 7. Common element in Earth’s crust.
- 8. State of matter with no definite shape or volume.
- 10. Lightest and most abundant element in the universe.
- 12. State of matter with definite shape and volume.
- 13. A type of property that can be observed without changing matter.
- 14. A high-energy state of matter found in stars.
- 15. Two or more substances physically combined.
- 16. Mass divided by volume.
- 17. State of matter with definite volume but no shape.
- 19. A type of property that describes how matter changes.
- 21. Major element in Earth’s atmosphere.
- 24. A characteristic used to describe matter.
- 25. Chart that organizes elements by atomic number and properties.
- 26. Two or more atoms bonded together.
- 28. The smallest unit of matter.
- 29. Positively charged particle in the nucleus.
Down
- 2. Neutral particle in the nucleus.
- 3. The amount of matter in an object.
- 5. The center of an atom containing protons and neutrons.
- 9. Lightweight element in Earth’s crust.
- 11. The space an object occupies.
- 14. Refers to the periodic table that organizes elements.
- 18. A pure substance made of one kind of atom.
- 20. Anything that has mass and takes up space.
- 22. Common element in Earth’s crust and living things.
- 23. What matter does during a chemical change.
- 27. Two or more different atoms chemically combined.