Review Energy Transformation and Thermodynamics

The measure of hotness or coldness is (a)   .

temperature or heat

Answer explanation

Temperature measures heat or hotness or coldness. Heat is a form of energy.

__________is heat transfer or movement by direct contact and usually is through solids.

conduction or convection

• Conduction

• Convection

Heat that is transferred or moved in circle currents through liquids or gases is __________________.

radiation or convection

• radiation

• convection

In convection currents, cold air rises and hot air sinks.

True or false

• true

• false

Heat from a lamp is an example of _____________.

radiation, convection or conduction

• radiation

• convection

• conduction

Cooking pancakes in a skillet is as example of _____________.

radiation, conduction, convection

• radiation

• conduction

• convection

The water in a lake is warmer on top than the water at the bottom of the lake. That is an example of _____________.

radiation, conduction, convection

• radiation

• conduction

• convection

What is the energy of the movement of particles in a substance?

• Potential energy
• Kinetic energy
• Thermal energy
• Temperature

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

• mechanical energy to chemical energy

• thermal energy to mechanical energy

• chemical energy to mechanical energy

• mechanical energy to thermal energy

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

• Chemical to light
• Electrical to chemical
• Electrical to light
• Chemical to electrical