Across
- 2. Eats meat
- 7. The _________ speed is faster for the inner planets
- 12. A group of the same species
- 13. These are found in the rings around the nucleus
- 17. Eats plants
- 19. A group of many species
- 20. 3rd planet from the Sun
- 21. The atomic _______ is equal to the # of protons and electrons
- 23. _______ metals are found in Group 1
- 24. This is the star the planets orbit
- 25. How shiny something is
- 26. No longer found anywhere on Earth
- 29. Charging by rubbing two things together
- 30. This colour star is the hottest
- 31. Positive charges found inside the nucleus of atom
- 32. Another name for a plant
Down
- 1. This measures the voltage of something
- 3. This measures current
- 4. __________ Gasses have a full valence shell
- 5. How plants make energy
- 6. Equal to the atomic mass- the atomic #
- 7. ________ charges attract
- 8. Where all life is found on Earth
- 9. Collection of stars and planets
- 10. Two or more elements combined together
- 11. The number of electrons in the outermost ring
- 14. The layer of gasses above Earth
- 15. All of the galaxies
- 16. This causes day and night
- 18. 6th planet from the Sun
- 22. Elements that form an ion with a charge of -1
- 27. This type of change is irreversible
- 28. Anything living