5.PS.1 Matter and its Interactions

Front

What causes matter to change states?

Back

Heat energy.

Front

What happens to the mass of an ice cube when it melts?

Back

The mass remains the same at 4 grams.

Front

What is the total mass of Kelly's drink after dissolving 6 grams of sugar in 520 grams of water?

Back

526 grams, because the total mass is the sum of the mass of the sugar, glass, and water.

Front

What happens to the rate of dissolving when a mixture is stirred?

Back

The rate of dissolving will increase.

Front

What happens to the rate of dissolving when the particle size is decreased?

Back

It will increase.

Front

Define matter.

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is the principle of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a mixture?

Back

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