Across
- 2. A place where animals and plants live
- 4. process in which atoms ions or molecules go into a bulk phase
- 5. an organism that makes it's own food from light energy and inorganic materials
- 11. an organism that survives by living and feeding on other organisms
- 12. a gigantic ball of ice and rock that orbits the sun
- 14. the closeness of a measurement to a true or accepted value
- 15. the central core of an atom
- 16. the angular distance of an object about the horizon
- 20. to push away
- 21. the name for the element with the atomic number 13 and is represented by the symbol AI
- 22. a layer of gases surrounding a planet
- 23. electricity, a buildup of electrical charge
- 25. the total or partial blocking of one celestial body by another
- 28. a chemical species that accepts electrons or donate protons or hydrogen electrons
- 29. the mix of gasses that make up the earths atmosphere, consisting mainly of nitrogen, with oxygen, water vapor, argon and carbon dioxide
Down
- 1. limited and able to be used up quickly
- 3. non-living parts of the environment
- 6. the amount of mater contained in a given volume
- 7. a grouping of stars that makes an imaginary picture in the sky
- 8. the study of how living things interact with each other in their environment
- 9. the defining unit of an element which can not be subdivided using chemical means
- 10. a device that can open or close a circuit
- 13. A large grouping of stars put together in a variety of sizes
- 17. a material in which electricity does not flow
- 18. the energy caused by the flow of particles with negative electrical charges
- 19. circuit, an incomplete circuit
- 24. an aqueous solution with a pH greater than seven
- 26. a distinctive area of broken terrain
- 27. to draw neariotic, the living parts of the environment
