Science Exam Review - 2nd 9 Weeks

Front

What is a solid formed when two liquids are combined called?

Back

A solid formed when two liquids are combined is called a precipitate.

Front

What type of change occurs when iron rusts?

Back

Iron rusting is a chemical change.

Front

What is the amount of matter in an object called?

Back

The amount of matter in an object is called mass.

Front

What happens to friction on rougher surfaces?

Back

Rougher surfaces have greater friction.

Front

At which point will a boulder be traveling the fastest when dumped down a cliff?

Back

The boulder will be traveling the fastest at point C.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not alter the substance's chemical composition, while chemical changes do.

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice.

Front

What is an example of a chemical change?

Back

An example of a chemical change is burning wood.