Across
- 3. Relating to the motion of objects and the forces associated with that motion.
- 5. The ability of a material to conduct electricity or heat.
- 6. Large marsupial
- 8. A substance made up of atoms with the same number of protons.
- 10. A vast system of stars, gas, and dust held together by gravity.
- 11. Flying mammal
- 12. Likes to chase mice
- 13. Man's best friend
Down
- 1. Has a trunk
- 2. An instrument used to observe objects that are too small to be seen with the naked eye.
- 4. The study of living organisms and their interactions.
- 7. The central part of an atom, containing protons and neutrons.
- 9. A change in the genetic material of an organism.