Rocks, Weathering, and Erosion

Sedimentary rock forms in:

• streaks
• bands
• layers
• crystals

A sedimentary rock might have a __________ in it.

• fossil
• monster
• crystal
• streak

The process after weathering and erosion when sediment comes to rest in a certain place:

• excavation
• lithification
• condensation
• deposition

Metamorphic rock is ________ by heat and pressure.

• changed
• destroyed

Why do highway crews plant grass on steep hillsides?

• It is pretty
• Make car wrecks safer
• To prevent erosion
• So they have something to mow

What is the MAJOR cause of erosion on earth?

• wind
• water
• gravity
• living things

Which force of erosion created the sand dunes?

• water
• wind
• gravity
• plant roots

Rock type formed when lava cools and turns into a solid

• sedimentary

• igneous

• metamorphic

• magma

Rocks that have been changed by heat and pressure

• sedimentary

• igneous

• metamorphic

• magma

Rock type formed when bits of other rocks are glued together

• sedimentary

• igneous

• metamorphic

• magma