5th Grade PS.5.1.1 Review

Front

What is the principle of conservation of mass?

Back

The principle of conservation of mass states that mass cannot be created or destroyed in a closed system. The total mass before and after a physical change remains the same.

Front

If an object weighs 50 grams and is cut into smaller pieces, what will be the total weight of all pieces?

Back

The total weight will still be 50 grams.

Front

What happens to the weight of water when it freezes into ice?

Back

The weight of the water remains the same when it freezes into ice.

Front

How do you find the weight of each piece when an object is divided into equal parts?

Back

Divide the total weight of the object by the number of pieces.

Front

If a 600-gram block of cheese is cut into 6 equal pieces, what is the weight of each piece?

Back

Each piece weighs 100 grams.

Front

What is the weight of water after melting a 1 kg block of ice?

Back

The weight of the water will be 1 kg.

Front

What is the total weight of three pieces of clay if the original block weighed 500 grams?

Back

The total weight will still be 500 grams.

Front

What is the weight of an object if it is divided into parts but not removed from the system?

Back

The weight remains the same as the original weight.

Front

What is the weight of 1 kg of water when it is frozen?

Back

The weight remains 1 kg when it is frozen into ice.

Front

If you have a sealed container with 1 kg of water, what will be the weight of the container after freezing?

Back

The weight of the container will still be 1 kg.