Amplify Unit 3 Earth's Features

Front

What is erosion?

Back

Erosion is the process when rock, soil, or sand is worn down and moved from one place to another by water, wind, or ice.

Front

What can be concluded if dinosaur fossils are found in lower rock layers and mammal fossils in middle layers?

Back

Dinosaurs lived on Earth before the mammals.

Front

Can a small stream form a canyon?

Back

False.

Front

What happens to sediment to form rock layers? (a)_______ and (b)______

Back

(a) compacted (b) cements.

Front

What builds up in different environments to form different kinds of sedimentary rock?

Back

Sediments.

Front

What is sediment?

Back

Sediment is small pieces of rock, soil, or sand that are carried by water, wind, or ice.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a living organism from the past.

Front

What is the difference between erosion and weathering?

Back

Erosion involves the movement of materials, while weathering is the breaking down of rocks without movement.

Front

What is a canyon?

Back

A canyon is a deep valley with steep sides, often formed by the erosion of a river.

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the accumulation and compaction of sediments.