G7 Geography Unit 1 Review

3. 0° latitude line, separating the northern and southern hemispheres.
7. The imaginary lines that tell us how far west or east of the Prime Meridian somewhere is.
8. Line The International ______________ is where tomorrow starts first.
9. The layer of hot rock inside the Earth that slowly moves around under the crust.
11. The idea that the continents move around is called Continental ___________ theory.
12. The type of boundary where 2 tectonic plates move away from each other.
13. spot A spot away from plate boundaries where magma melts through the crust, often forming islands
14. Red hot, molten rock underground that can come up through volcanoes.
16. This includes all of the life on Earth.
17. Red hot, molten rock that has come through the crust so we can see it.
19. ____________ plates move around on top of the mantle, like big puzzle pieces of crust
22. The 7 major landmasses on Earth are each one of these.
23. ____________ location compares where a place is to another place.
26. The word we use when one tectonic plate slides under another tectonic plate.
29. The layer of gases that are around the outside of Earth like a bubble of air.

1. These are the numbers for how far somewhere is from the Equator or Prime Meridian.
2. This includes all of the water on Earth, including oceans, rain, and inside living things.
4. 0° longitude line, passing through the town of Greenwich, England.
5. The lines on a map that show latitude and longitude.
6. Where 2 tectonic plates meet each other is called a plate ______________.
7. The layer of Earth that includes the crust and the top of the upper mantle.
10. A way to divide the world into 2 halves (N and S, or W and E).
15. ____________ location tells us exactly where a place is on a map.
18. The name of the supercontinent from around 250 million years ago.
20. The hard outside “shell” of Earth.
21. These numbers & letters tell us the exact location of a place on a map.
24. The imaginary lines that tell us how far north or south of the Equator somewhere is.
25. The type of boundary where 2 tectonic plates move towards each other.
27. The type of boundary where 2 tectonic plates slide beside each other.
28. The very center of the Earth.