Phase change, heating and cooling curve

Front

What changes occur to water when heat energy is added to it in a pot on the stove?

Back

Particles move faster, and temperature increases.

Front

When ice melts, it becomes a

Back

liquid

Front

The temperature at which a liquid freezes to a solid is called

Back

Freezing Point

Front

The temperature at which a liquid evaporates to a gas is called

Back

boiling point

Front

Why was the pasta undercooked when cooked at high elevation?

Back

Lower air pressure caused the cooking water to boil at a lower temperature.

Front

Region QR represents a substance in the liquid phase. What does region RS represent?

Back

boiling

Front

Region QR represents a substance in the liquid phase. What does region ST represent?

Back

gas

Front

Heat transfers from an area of ____temperature to an area of ___ temperature.

Back

high to low

Front

The diagram shows a heating curve for ice. Which line represents the ice melting?

Back

B