Conservation of matter

Front

What is the definition of matter?

Back

Matter is anything that takes up space and has mass.

Front

How are particles in a solid arranged?

Back

Particles in a solid are tightly packed together.

Front

What happens to the mass of a mixture when a substance is dissolved in a liquid?

Back

The mass of the mixture is the sum of the mass of the solute and the solvent.

Front

What is the process called when dry ice turns into gas?

Back

Sublimation.

Front

What happens to the wax of a burning candle?

Back

The wax burns and releases gases into the air.

Front

What is the law of conservation of matter?

Back

The law states that matter cannot be created or destroyed in a chemical reaction.

Front

If you have 15 grams of sugar and dissolve it in 300 grams of water, what is the total mass of the solution?

Back

315 grams.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What happens to the particles in a gas?

Back

Particles in a gas are very loosely packed and move freely.