Science MCAS Review

Front

What is the primary agent responsible for the formation of sand dunes?

Back

Wind

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance, such as ice melting.

Front

What is carbon dioxide classified as?

Back

A compound.

Front

What is an open circuit?

Back

A circuit that is not complete, preventing current from flowing.

Front

What is a conductor?

Back

A material that allows charges to flow easily.

Front

What is an example of a physical change?

Back

Ice melting.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound is a substance formed from two or more elements that are chemically bonded.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is an example of a chemical change?

Back

Rust forming on a nail.