Heat Transfer

What is heat and how is it transferred from one place to another?

• Heat is a form of energy transferred by conduction, convection, or radiation.

• Heat is a type of matter that stays in one place.

• Heat is a force that moves objects.

• Heat is a color change in materials.

Look at the diagram showing red and gray circles. What does the spreading of red circles among the gray circles represent?

• The movement of sound

• The transfer of heat

• The flow of electricity

• The mixing of colors

What is the definition of kinetic energy?

• The energy of an object because of motion.

• The energy stored in an object at rest.

• The energy produced by chemical reactions.

• The energy from the sun.

Fill in the blank: The word 'kinetic' stems from the Greek word for _______.

• motion

• energy

• light

• sound

Kinetic energy is the energy of an object because of _______.

• motion

• shape

• color

• temperature

What is temperature? Fill in the blank: Temperature measures the average _______ energy of the particles of an object or substance. It is like a speedometer for how fast particles are moving!

• kinetic

• potential

• thermal

• chemical

Complete the temperature chart: What is the boiling point of water in Celsius?

• 100°

• 0°

• 50°

• 212°

Complete the temperature chart: What is the boiling point of water in Kelvin? (Celsius: 100°)

• 373

• 273

• 212

• 400

Complete the temperature chart: What is human body temperature in Celsius? (Kelvin: 310)

• 37°

• 0°

• 100°

• 25°

Complete the temperature chart: What is human body temperature in Kelvin? (Celsius: 37°)

• 310

• 273

• 350

• 400