Problem 1
Explain what the rock cycle tells us about Earth processes.
Problem 2
Describe ways in which rock cycle processes exchange energy and materials with the atmosphere, the hydrosphere, and the biosphere.
Problem 3
What are the three main kinds of rock in Earth's crust?
Problem 5
What is magma? Where does it originate?
Problem 7
What are the two most common kinds of igneous rock?
Problem 8
Describe and explain the differences between a plutonic and a volcanic rock.
Problem 10
How do sedimentary grains become rounded?
Problem 12
Describe how sediment becomes lithified.
Problem 13
What are the differences among shale, sandstone, and limestone?
Problem 14
Explain why almost all sedimentary rocks arc layered, or bedded.
