Thermal Energy and Heat Quiz

Which statement is true about heat?

• Cooler objects always heat warmer objects.

• A cold pot of water transfers heat to a stove.

• The direction that heat flows varies because of the composition of the objects.

• Warmer objects always heat cooler objects.

If the particles that make up an object begin to move quickly, their average kinetic energy _____________ and the object's temperature __________.

• Increases, falls

• Increases, rises

• Decreases, falls

• Decreases, rises

_______ is thermal energy that flows from something at a higher temperature to something at a lower temperature.

• Heat

• Thermal energy

• temperature

• Fire

How does the motions of the particles that makes up an object change when the object's temperature increases?

• The particles that make up an object move faster

• The particles that make up an object move slower

• The particles that make up an object will move the same

• The particles that make up an object will not move

Thermal energy is the __ of the particles that make up a system.

• Total energy

• Temperature

• Potential energy

• Average kinetic energy

What is coolant?

• A type of drink

• A liquid that cools things

• a tool for measuring temperature

• a device for better grip

A 5 kg block of gold is heated in the Sun from 25.0°C to 30.0°C. Use the specific heat of gold: 129 J/(kg °C) to help calculate the change in the block's thermal energy.

• 3500 J

• 3300 J

• 3225 J

• 3125 kg

Which type of energy is associated with motion (Energy in motion)?

• Potential Energy

• Kinetic Energy

• Thermal Energy

• Heat

When you measure the temperature of an object, you are measuring...

• the average chemical energy of its particles

• the sum of its kinetic and potential energies.

• the average kinetic energy of its particle

• the specific heat of the object

Which substance is often used as a coolant?

• wood

• sand

• water

• graphite