3rd Grade Fast/Slow Changes to Earth

Front

What does it mean to decompose?

Back

To break down into smaller pieces, often referring to organic matter.

Front

What are remains?

Back

Parts of plants or animals that were once living.

Front

What is the synonym for fast?

Back

Rapid.

Front

What is the surface?

Back

The outside or top layer of something.

Front

What is weathering?

Back

The breaking down of landforms by natural forces such as water, wind, and ice.

Front

What is soil?

Back

A mixture of organic matter, minerals, gases, liquids, and organisms that support life.

Front

What is erosion?

Back

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

Front

What causes rapid changes to the Earth?

Back

Events like earthquakes, volcanic eruptions, and landslides.

Front

What is a volcano?

Back

An opening in the Earth's crust where molten rock, ash, and gases can escape.

Front

What is sediment?

Back

Small pieces of rock and soil that are carried and deposited by water, wind, or ice.