Hot to Cold

When your food gets cold

• the heat disappears.

• the cold from the air goes into the food.

• the heat from the food transfers to the colder air around it.

• the molecules slow down.

Water in a pool, lake, or the beach makes you feel cold because

• the water has a lower temperature than your body.

• your body is absorbing the cold from the water.

• your body is trying to match the temperature of the water around it.

• your are a warm-blooded mammal.

A thermometer works because

• hot particles move faster, causing the liquid to expand.

• the liquid inside the thermometer is trying to escape.

• the heat from outside the thermometer is going inside the thermometer.

• it is magic.

An insulator is an object that will feel ___________ to the touch because it does not transfer heat well.

• warmer

• colder

• fuzzier

• smoother

Metal feels cool to the touch because it is a

• conductor.

• insulator.

• shiny object.

• thermometer.

Heat transfer is really neat because it always goes

• from hot to cold.

• from cold to hot.

• in whatever direction the molecules are moving.

• from north to south.