Related Science Review

A ______ may be defined as any state of matter of a particular composition or makeup.

• Solid

• Substance

• Liquid

• Gas

________ may be defined as anything that has weight and occupies space or has a measurable volume.

• Liquid

• Substance

• Matter

• Gas

The three states of matter are

• Solid

• Liquid

• Gaseous

• Jell-O

______ have a definite volume, but conform to the shape of the container into which they are placed

• Solids

• Liquids

• Gases

______ neither a definite volume or shape, but have the ability to diffuse or expand indefinitely

• Solids

• Liquids

• Gases

Water is most dense at

• 32° Fahrenheit

• 212° Fahrenheit

• -460° Fahrenheit

• 39° Fahrenheit

Water at 41° F is ______ degrees Celsius.

• 5°

• 10°

• 15°

• 20°

The maximum working temperature of a low temperature hydronic heating system is 250° Fahrenheit. This working temperature is_______ degrees Celsius.

• 121.1°

• 101.1°

• 91.1°

• 81.1°

Absolute zero is calculated to be ______ ° Fahrenheit.

• 0

• 14.7

• 29.92

• -460

The term ______ is the measure of heat required to raise the temperature of 1 pound of water 1 degrees Fahrenheit.

• BTU

• CFU

• GPM

• GFL