Natural Science Ch.1

4. steep increase in elevation below the ocean near continents
6. the span of time since earth was created, 4.6 billion years
9. a scientist’s idea that is tested in an experiment
10. sudden and extreme depressions in ocean depth
14. study of the heavens and outer space
19. the system through which we study the earth, its spheres and its systems ñ
22. study of land and earth’s terrain
23. having to do work water on earth
24. the most inner part of the earth, located below the crust and mantle
25. a well-tested and well observed explanation for something in science
26. large sections of continuous land
27. rocky, outer portion of earth
29. portion of earth located below the crust
30. areas of shallow water near continents
32. underwater mountains that do not reach the surface
33. a gaseous envelope which extends upwards from earth
34. the outer part of earth, houses the biosphere and hydrosphere

1. less steep increase in elevation below the ocean near continents
2. study of weather patterns
3. upper layer of earth’s mantle
5. comprise most of continents, contain craton
6. Another term for the solid earth
7. a series of events or objects that exist to produce a larger product
8. underwater mountain ranges
11. all life on earth
12. a series of mountains on land crested by tectonic plate action
13. former by depressions located below the sea
15. study of the sea and the sea floor
16. the ides that many spheres and fields exist to make earth exist and function
17. states that the planets and sun formed 5 billion years from a large cloud of dust and gas
18. Largely flat sections of continents without craton
20. Large, stable blocks of rock that form continents
21. the process by which scientists test their hypothesis and reach a conclusion
28. flat, shallow seabed near a continent
31. The study of our planet and it’s processes