Changes to Earth's Land

What is the slow breaking apart or wearing away of rock into smaller pieces?

• erosion
• deposition
• tearing
• weathering

What is the movement of weathered rock material from one place to another?

• erosion
• farming
• construction
• weathering

What is a large mass of slow-moving ice that flows down a slope?

• mountain
• glacier
• ice floe
• blizzard

What is the dropping of sediment by wind, water, ice, or gravity?

• melting
• weathering
• deposition
• erosion

What is a large mass of deposited sediment at the mouth of a river?

• deposit
• acid rain
• delta
• dump

What is the loose material that covers much of Earth's surface?

• soil
• soggy
• fossils
• rocks

What is the decayed remains of plants and animals?

• humid
• silt
• humus
• clay

What is the uppermost layer of soil?

• topseed
• bedrock
• subsoil
• topsoil

What is the layer of soil just below the topsoil?

• subway
• bedrock
• substation
• subsoil

What is the unweathered rock that lies below the subsoil?

• weathering
• rockbed
• topsoil
• bedrock