Across
- 2. the study of matter and its interactions with other matter and energy.
- 5. a living thing that grows in the earth and has a stem, leaves, and roots.
- 6. a gradual increase in the earth's temperature generally due to the greenhouse effect.
- 8. the general weather over a long period.
- 10. A nonmetallic element that makes up about 78 percent of the atmosphere by volume, occurring as a colorless, odorless gas.
- 11. the scientific study of physical phenomena like the motion of matter and energy and force.
- 12. a type of electromagnetic radiation that allows the human eye to see or makes objects visible.
Down
- 1. a natural science discipline that studies living things.
- 3. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table.
- 4. is the mix of events that happen each day in our atmosphere.
- 7. a reflective surface that bounces off light, producing either a real image or a virtual image.
- 9. a living thing that can move and eat and react to the world through its senses.
