Understanding Heat and Temperature

What is the unit of measurement for temperature?

• Liters

• Meters

• Degrees Celsius, Degrees Fahrenheit, Kelvin

• Kilograms

Which of the following is a method of heat transfer?

• Conduction, convection, and radiation

• Evaporation

• Condensation

• Sublimation

What happens to the temperature of a substance when it absorbs heat?

• The temperature of the substance increases.

• The temperature of the substance fluctuates randomly.

• The temperature of the substance remains the same.

• The temperature of the substance decreases.

What is the boiling point of water in degrees Celsius?

• 75

• 100

• 90

• 120

Which material is a good conductor of heat?

• Copper

• Glass

• Wood

• Plastic

What is the process called when a solid turns into a liquid?

• Melting

• Freezing

• Condensation

• Sublimation

What happens to the particles in a substance when it is heated?

• The particles in a substance become stationary when heated.

• The particles in a substance move faster and may spread apart when heated.

• The particles in a substance shrink and become denser when heated.

• The particles in a substance lose energy and slow down when heated.

What is the freezing point of water in degrees Celsius?

• 32 degrees Celsius

• 0 degrees Celsius

• 100 degrees Celsius

• -10 degrees Celsius

Which of the following is an example of convection?

• Warm air rising in a room.

• Ice melting in a glass of water.

• A pot of water boiling on the stove.

• A fan blowing air across a room.

What is the term for the amount of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius?

• joule

• BTU

• calorie

• watt