Across
- 2. A tiny negatively charged particle that moves around the outside of the atom’s nucleus.
- 5. A particle in the atom’s nucleus that has no charge (neutral).
- 7. The different physical forms in which a substance can exist — solid, liquid, gas, or plasma — depending on how particles move and are arranged.
- 8. The starting substances in a chemical reaction — what you begin with.
- 10. The name of the town in Amplify with the reddish-brown water.
- 11. A group of atoms connected by bonds; the smallest unit of a substance that still has the same properties.
Down
- 1. The new substances formed after a chemical reaction occurs.
- 3. Reaction A process where atoms rearrange to make one or more new substances with different properties.
- 4. A type of matter that is made of the same kind of particle (atoms or molecules) throughout.
- 6. A positively charged particle found in the center (nucleus) of an atom.
- 9. The smallest unit of matter; made up of protons (positive), neutrons (neutral), and electrons (negative).