Front

What happens to air molecules on a hot day?

Back

On a hot day, air molecules have more energy.

Front

What happens to the liquid in a thermometer when the temperature increases?

Back

The heat causes the liquid to expand.

Front

What is the main difference between the Celsius and Fahrenheit temperature scales?

Back

France uses the Celsius scale, while the US uses the Fahrenheit scale.

Front

What is a unique feature of the Kelvin temperature scale?

Back

The Kelvin scale has no negative numbers.

Front

What is the boiling point of water in Fahrenheit?

Back

212 degrees Fahrenheit.

Front

How does temperature affect the movement of air molecules?

Back

Higher temperatures increase the energy and movement of air molecules.

Front

What is the freezing point of water in Celsius?

Back

0 degrees Celsius.

Front

What is the relationship between temperature and density of liquids?

Back

As temperature increases, the density of most liquids decreases.

Front

What is the temperature of water at absolute zero in Kelvin?

Back

0 Kelvin.

Front

How do you convert Celsius to Fahrenheit?

Back

F = (C × 9/5) + 32.