Science Terms
Topsoil
The uppermost layer of soil
Top Soil
SubsoilThe layer of soil just below the
uppermost layer of soil
Subsoil
BedrockUnweathered rock that lies below the
lowest layer of soil
Bedrock
FossilThe preserved remains of a plant or
animal that lived long ago
Bedrock
DeltaA large mass of deposited sediment
at the mouth of a river
WeatheringThe slow breaking apart or wearing
away of rock into smaller pieces
Erosion
The movement of weathered rock material from on place to another
Question
Wind moving sand from a dune
What is an example of erosion?
Question
Large rocks wearing down
What is an example of weathering?
Question
How are weathering and erosion related to one another?