Earth Science Review #2

2. / an animal that hunts and eats other animals
3. / the apparent rise in the earth’s temperature.
5. /the dying out or disappearance of a plant or animal species.
6. / the branch of science dealing with life in the ocean
8. /the point where rays of light meet after being bent by a lens or curved mirror.
11. / the solid crust of the earth.
12. / rain, sleet, hail or snow that falls to earth’s surface
13. / the total number of organisms in one place or group
18. / a layer 12 to 30 above the earth that blocks many of the sun’s UV rays
20. / a mass of earth, mud, rocks, suddenly sliding down a steep slope.
21. / the dark brown part of soil made of decayed leaves and other vegetable matter that helps plants grow.
22. / all food chains in a community.
24. / molten rock beneath the surface of the earth that is melted by the great heat there.

1. / A system of stars, dust, and gas held together by gravity.
2. / widely accepted theory that earth’s crust is made up of over 30 huge, moving plates
4. /the point on the surface of the earth directly above the center or focus of an earthquake.
7. / all the water on and above the earth’s surface.
9. News / The city where Ms. McKinney is from
10. / What country was Ms. McKinney born
14. / This solution has a pH below 7
15. / the introduction of contaminants into the natural environment that cause adverse change.
16. / a grouping of living things in a community in which each member feeds the member below it.
17. / the kind of igneous rock that formed beneath earth’s surface.
19. / the place in nature where a plant or animal usually lives.
23. / This solution has a pH over 7