Earth Revealed Sedimentary Rocks (Video)
1.The ______________ is 1.5 kilometers deep and over 300 kilometers
long.
2. In 1869 ____________________ led the first geologic study of the
Grand Canyon.
3. 95% of the Earth’s crust is made of __________or ___________ rocks.
4. Composition of sediment is controlled by two factors Weathering and
______________.
5. _____________ is the finest sediment of all.
6. Sediment can also form from the _________________ of chemicals out
of the water
7. _____________ is formed in areas of high water such as swamps.
8. Sedimentary structures are formed during ______________
9. _______________ form perpendicular the direction of the water
current.
10. A ____________ is where a river spills out into a lake.
11. Nearly all buildings require ______________rocks in their structures.
12. Earth’s history is easily ___________ in sedimentary rocks.
13. the rocks of the grand Canyon record no fewer than four episodes of
__________ and _______________