HEAT and TEMPERATURE

When storing water inside a freezer at night, closing the metal cover of the glass container tightly would make it difficult to open the following day.

• TRUE

• FALSE

Boiling water causes more damage to the skin than steam at 100ºC.

• TRUE

• FALSE

The air blown from a wide, open mouth is warm, while the air blown from tight, closed lips cold.

• TRUE

• FALSE

• MAYBE

• NOT SURE

A glass of water with ice floating on it cools faster than a glass of water with ice pushed to the bottom of the glass.

• TRUE

• FALSE

• MAYBE

• NOT SURE

Inflated balloon will shrink when kept inside a freezer.

• TRUE

• FALSE

It is the total KINETIC ENERGY of all particles

In a substance and it is measured in

JOULES.

It is dependent of the average

KINETIC ENERGY

Temperature of a body measures the molecular_______.

• average kinetic energy

• average potential energy

• differences in kinetic energy

• differences in potential energy

During warm days, you cool yourself by damping your skin with a wet towel. Which of the following takes place?

• Wet towel has no effect on your body

• Wet towel releases heat energy to your body

• Wet towel absorbs heat energy from your body.

• Wet towel has the same temperature as your body.

Why does liquid in the thermometer rise when put in hot water?

• The liquid is boiling.

• The liquid is evaporating.

• The liquid gains heat from the hot water causing it to expand.

• The liquid loses heat from the hot water causing it to contract.