Energy Transfers

_{Which form of energy is mostly produced in this conversion?}

• Electrical
• Mechanical
• Thermal
• Sound

_{Which form of energy is mostly produced in this conversion?}

• Electrical
• Mechanical
• Thermal
• Sound

_{Which form of energy is put in to this conversion?}

• Electrical
• Radiant/Light
• Thermal
• Sound

_{Which form of energy is NOT present in this conversion?}

• Electrical
• Mechanical
• Radiant/Light
• Sound

Which form of energy is least important in this tool?

• Electrical
• Light
• Sound
• Thermal

What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

Which of the following is an example of convection?

• A hair dryer is drying up your hair.
• When the AC or heater changes the temperature.
• When a car engine turns hot after being turned on.
• When you are making soup and the water is rising and lowering.

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

 What kind of energy is in gasoline in a car tank (car is not on)?

• Potential
• Kinetic

Wind turbines and windmills convert (or change) what energy to another?

• Kinetic to electric
• Gravitational potential to electric
• Mechanical to potential
• Thermal to sound