Science BM #2 18-19 Study Practice #1

Front

What is erosion?

Back

Erosion is the process by which natural forces like water, wind, or ice wear away rocks and soil, transporting them to different locations.

Front

What land feature is formed by erosion?

Back

The Grand Canyon is a land feature formed by erosion.

Front

What is the safest material to cover electrical wires to prevent electric shock?

Back

Rubber is the safest material to cover wires to prevent electric shock.

Front

What is a chemical change?

Back

A chemical change occurs when two or more substances mix and form a new substance.

Front

What happens to ice when heat is added?

Back

Ice changes to liquid water when heat is added.

Front

What is weathering?

Back

Weathering is the natural process of rocks breaking down and being worn away over time.

Front

What is deposition?

Back

Deposition is the process where materials are laid down or deposited after being transported by erosion.

Front

What is the difference between physical and chemical changes?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.

Front

What is the role of heat in changing states of matter?

Back

Heat can cause substances to change states, such as ice melting into water or water vapor condensing into liquid water.