melting and boiling flashcards

Front

What happens to a substance when it is heated?

Back

When heated, a substance absorbs energy and may change state, such as from solid to liquid (melting) or liquid to gas (boiling).

Front

What is melting?

Back

Melting is the process where a solid absorbs energy and turns into a liquid.

Front

What is boiling?

Back

Boiling is the process where a liquid absorbs more energy and turns into a gas.

Front

Are melting and boiling endothermic or exothermic processes?

Back

Melting and boiling are endothermic processes because they absorb energy from the surroundings.

Front

What state change occurs when a solid is heated?

Back

A solid changes into a liquid when it is heated (melting).

Front

What state change occurs when a liquid is heated further?

Back

A liquid changes into a gas when heated further (boiling).