Law of Conservation of Mass, Science Weekly 5th grade

Front

What is the Law of Conservation of Mass?

Back

States that mass is neither created nor destroyed in chemical reactions.

Front

If Dante dissolves 3 grams of sugar in 55 grams of water, what is the total weight of the mixture?

Back

58 grams.

Front

What happens to the mass of substances in a chemical reaction according to the Law of Conservation of Mass?

Back

The total mass remains the same before and after the reaction.

Front

True or False: Water can dissolve and transport many substances.

Back

True.

Front

Where does the sugar go when mixed with water?

Back

It goes into the water.

Front

What happens to the scale if Sally has more water than Michael?

Back

The scale would tip on her side.

Front

What is an example of a substance that can dissolve in water?

Back

Sugar.

Front

What is the importance of the Law of Conservation of Mass in science?

Back

It helps us understand that matter is conserved in chemical reactions.

Front

If 10 grams of reactants are used in a reaction, how much product can be expected?

Back

10 grams of product, assuming no mass is lost.

Front

What does it mean when we say mass is conserved?

Back

The total mass before a reaction equals the total mass after the reaction.