Plate Tectonics & Rock Cycle Review

What process in the rock cycle moves bits of rock from one place to another?

• Erosion

• Weathering

• Melting

• Pressure

Weathering

• The breaking down of rocks into smaller pieces

• Igneous rocks that are light colored, low density, and high in SI and O.

• No pattern to crystal grains

• Sedimentary rocks made on nonliving sediment

This type of rock forms when lava cools and harden

• extrusive igneous rock

• intrusive igneous rock

• metamorphic rock

• sedimentary rock

Which letter in the rock cycle diagram represents metamorphic rock?

• A

• B

• E

• C

What is a mixture of minerals and other rocks called?

• rocks

• minerals

• diamond

• pearls

Which letter in the rock cycle diagram represents sedimentary rock?

• C

• D

• A

• B

What happens when the sediment pieces get compacted and cemented together?

• Metamorphic rock forms

• Sedimentary rock forms

• Igneous rock forms

• Magma forms

What rock is formed from heat and pressure?

• sedimentary rock

• metamorphic rock

• igneous

• none

What is the cycle in this picture called?

• The rock cycle

• igneous rock cycle

• lava rock cycle

• none of these answers

What rock is formed when sediment pieces get compacted and cemented together?

• metamorphic rock

• lava and magma

• igneous rock

• sedimentary rock