PS.5.1.1 (5.P.2.2) #2: Schoolnet

Front

What happens to the mass of gold when it melts?

Back

The mass stays the same.

Front

How can you compare the mass of an assembled model truck to its parts?

Back

The mass of the assembled model equals the mass of all the parts.

Front

What do an ice cube and the water vapor have in common after melting and evaporating?

Back

They have the same mass.

Front

How can Julia predict the weight of the mixed batter?

Back

By adding the weights of each ingredient together.

Front

What is the relationship between the mass of a completed model and its individual pieces?

Back

The mass of the completed model equals the mass of all the pieces.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object.

Front

What is the principle of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter, while weight is the force of gravity on that mass.

Front

What is an example of a physical change?

Back

Melting ice is a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is a chemical change.