conservation of matter

Front

What is the conservation of matter?

Back

The principle that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

Front

How are the particles in a liquid packed?

Back

Loosely packed together.

Front

How are the particles in a gas formed?

Back

Able to fly around freely.

Front

What happens to the mass of a mixture when substances are combined?

Back

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

Front

If 15 grams of sugar are dissolved in 300 grams of water, what is the mass of the mixture?

Back

315 grams.

Front

What is the mass of 4 cubes, each weighing 3 grams?

Back

12 grams.

Front

What is evaporation in the water cycle?

Back

The process where liquid water turns into water vapor.

Front

What is condensation in the water cycle?

Back

The process where water vapor cools and turns back into liquid water.

Front

What is precipitation in the water cycle?

Back

The process where water falls from the atmosphere to the Earth's surface as rain, snow, sleet, or hail.

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have tightly packed particles, liquids have loosely packed particles, and gases have particles that can move freely.