5th Grade Warm Up 09.18

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 total mass when two substances are mixed together?

Back

The total mass of the mixture is the sum of the masses of the individual substances.

Front

If Lena mixes 150 grams of salt water with 50 grams of sand, what is the total mass of the mixture?

Back

200 grams.

Front

What is the principle of conservation of mass?

Back

The principle states that mass cannot be created or destroyed in a closed system; it can only change forms.

Front

What happens to the mass of ice when it melts into water?

Back

The total mass stays the same.

Front

If Jamal has 500 grams of ice, what will be the mass of the water after it melts?

Back

500 grams.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.