KMS 1st semester Benchmark REVIEW

Front

What indicates a chemical change?

Back

A temperature change indicates a chemical change.

Front

What source of gravity maintains satellites in place?

Back

The Earth maintains all satellites in place.

Front

What is energy?

Back

Energy is the ability to cause change or do work.

Front

Which of the following is NOT a chemical change? sour milk, burning wood, breaking a pencil, rust

Back

Breaking a pencil is NOT a chemical change.

Front

What is a physical change?

Back

A physical change is a change that does not alter the chemical composition of a substance.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What happens during a chemical reaction?

Back

During a chemical reaction, substances undergo a transformation to form new substances.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a satellite?

Back

A satellite is an object that orbits a planet or another celestial body.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies toward each other.