Science Benchmark Review

Front

What is the direction of motion if an object is moving to the left?

Back

The direction of motion is to the left.

Front

What is the net force if two forces of 400 N are acting in the same direction?

Back

The net force is 800 N.

Front

What is evidence that a chemical change has occurred?

Back

Color Change.

Front

When two or more different elements chemically combine, what is formed?

Back

A compound.

Front

Which elements are found on the right side of The Periodic Table?

Back

Nonmetals.

Front

What is a physical change?

Back

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

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is the definition of a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the definition of a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is the role of a catalyst in a chemical reaction?

Back

A catalyst speeds up a chemical reaction without being consumed.