Conservation of matter

Front

Change of state from solid to liquid

Back

Melting

Front

What is the process called when a liquid turns into a solid?

Back

Freezing

Front

What is the principle behind balancing chemical equations?

Back

The number of atoms of each element must be the same on both sides of the equation, reflecting the conservation of matter.

Front

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

Back

315 grams

Front

What is the term for the change of state from liquid to solid?

Back

Freezing

Front

What is the term for the change of state from liquid to gas?

Back

Evaporation

Front

Change of state from gas to liquid

Back

Condensation

Front

Evaporation

Back

Evaporation is the process by which a liquid changes into a gas.

Front

What happens to the mass of a substance when it changes from a solid to a liquid?

Back

The mass stays the same.

Front

When ice melts, what happens to its weight?

Back

The weight of the water remains the same as the weight of the ice.