Soil and Rocks 4th Grade

Front

What type of rock is formed through compaction and cementation?

Back

Sedimentary rock is formed through the compaction and cementation of sediments.

Front

What is a landform?

Back

A landform is a specific feature of the earth's surface.

Front

Which of the following is NOT a landform: Delta, Bay, Water, Volcano?

Back

Water is NOT a landform.

Front

What are the components of soil?

Back

The components of soil are humus, air, water, and minerals.

Front

Can rocks change only by melting?

Back

False. Rocks can change through melting, erosion, and other processes.

Front

What is humus?

Back

Humus is the organic component of soil formed by the decomposition of plant and animal matter.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes.

Front

What are igneous rocks?

Back

Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava).

Front

What is a volcano?

Back

A volcano is a landform created by the eruption of magma from beneath the Earth's crust.

Front

What is sediment?

Back

Sediment is small particles of rock, minerals, and organic material that are transported by wind, water, or ice.