Across
- 1. The scientific study of plants.
- 3. A particle that has no electric charge and is located in an atoms nucleus.
- 4. Scientific study of how living things interact with each other and their environment.
- 7. A change of one substance into another substance.
- 10. A positively charged particle located in an atoms nucleus.
- 12. Substance that cannot be broken down into a simpler substance by ordinary chemical changes.
- 13. Matter with definite volume but no definite shape.
- 15. Central region of an atom where most of the atoms mass is found in protons and neutrons.
- 18. Anything that has mass and volume.
Down
- 1. The scientific study of life and all living things.
- 2. A substance made up of two or more different types of atoms bonded together.
- 5. A combination of two or more substances that do not combine chemically but remain the same individually.
- 6. Matter with no definite volume or shape.
- 7. The process by which gas becomes liquid.
- 8. Negatively charged particle located outside an atoms nucleus.
- 9. An amount of three-dimensional space, often used to describe the space that an object takes up.
- 11. The smallest particle of an element.
- 14. Matter that has definite shape and volume.
- 16. A group of living things that are so closely related that they can breed with another and produce offspring that can breed as well.
- 17. A measure of how much matter an object is made of.