A column of contained air extends from sea level to the top of the atmosphere. The contained air has mass. If the column instead contained the same mass of water, its height would be

When a bimetallic bar of copper and iron strips is heated, the bar bends toward the iron strip because

The volume of water displaced by a floating 20-ton boat is

Buoyant force is greatest on a submerged

This photograph captured:

Thermal energy is measured in

When a gas in a container is squeezed to half its volume at constant temperature, its density

When Paul compresses air with a tire pump, the temperature of the compressed air

Heat is thermal energy that flows from

One liter of water has a mass of