5.P.2.2

Front

What is mass?

Back

Mass is a measure of the amount of matter in an object, typically measured in grams or kilograms.

Front

What happens to the mass of an object when it is broken into smaller pieces?

Back

The total mass remains the same; it is just distributed among the smaller pieces.

Front

If a rock weighs 60 g and is broken into two pieces, what are possible weights for the pieces?

Back

Possible weights could be 30 g and 30 g, or any combination that adds up to 60 g.

Front

What is the mass of water when it freezes?

Back

The mass of water remains the same when it freezes; for example, 200 g of water will still weigh 200 g when frozen.

Front

What is the principle of conservation of mass?

Back

The principle states that mass cannot be created or destroyed in a closed system.

Front

If Jackie uses 10 crayons weighing 5 grams each, what is the total weight of the crayons?

Back

The total weight is 50 grams (10 crayons x 5 grams each).

Front

What is the weight of melted ice in a bucket?

Back

The weight of the melted ice will equal the weight of the ice before it melted, plus the weight of the bucket.

Front

If Lisa's box of candles weighs 30 ounces, what will it weigh after melting?

Back

It will still weigh 30 ounces, as the mass remains the same.

Front

What is the weight of an object in a closed system?

Back

The weight of an object in a closed system remains constant, regardless of changes in state (solid, liquid, gas).

Front

How do you calculate the total weight of multiple objects?

Back

Add the weight of each object together to find the total weight.