Thermal Energy

Thermal Energy

Multiple Choice

Energy moves from ______ temps to ______ temps

• Low, High

• High, Low

Multiple Choice

Uneven heating and cooling of the Earth's surface forces the air to circulate in an attempt to find equilibrium or balance. This type of heat transfer is an example of ______.

• Convection

• Conduction

• Radiation

• Solar energy

Multiple Choice

Cold things often have a _________ kinetic energy because_______

• lower; particles are moving around less

• lower; particles are moving around more

• higher; particles are moving around the same

• higher; particles do not move

Multiple Choice

What type of thermal energy transfer is warming the man from the fire?

• Convection

• Conduction

• Radiation

• Heat

Multiple Choice

Thermal energy is the __________ _________ energy of moving particles

• total potential

• average potential

• average kinetic

• total kinetic

Multiple Choice

The particles of a gas move ____than the particles of the same substance in the liquid or solid state.

• faster
• slower
• same speed

Multiple Choice

Why is there more thermal energy in an iceberg than in a pot of boiling water?    

• a.  The pot insulates the heated molecules
• b.  Most icebergs are fairly warm to the touch
•   c.  Icebergs contain many more molecules than pots of water
•   d.  Water does not hold heat very well

Multiple Choice

what is radiation?

• direct touch
• air or liquids
• heat waves/ light waves
• touching the cookies out of the oven

Multiple Choice

The diagram to the right shows a solid iron bar that is being heated in a flame. The primary method of heat transfer in the solid iron bar is—

• convection
• conduction
• absorption
• radiation

Multiple Choice

An aluminum plate and a plastic plate have been in the freezer all night. When you remove them the next morning,

• the plates have the same temperature.

• the plastic plate has a higher temperature.

• the plastic plate has a lower temperature.

• the aluminum plate has a lower temperature.

Multiple Choice

What is a unit of temperature?

• Celsius

• Joule

• Calorie

• Pizza

Multiple Choice

Which has more thermal energy?

• teaspoon of boiling water

• bowl of boiling water

• bathtub of boiling water