Energy Transformations

Mechanical energy

• energy built up before being in motion
• energy released in a chemical reaction
• energy of motion
• sum of kinetic and potential energy

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

What is energy changing from one form to another?

• energy conservation
• energy transformation
• energy creation
• mechanical energy

Mr. Huff's students are complaining that it is hot in the classroom. He plugs in a fan and turns it on, what energy transformation now occurs?

• mechanical to electrical
• electrical to mechanical
• chemical to mechanical
• electromagnetic to mechanical

A hot air balloon has the following energy transformations__________.

• Thermal-Chemical-Electrical
• Chemical-thermal-mechanical 
• Thermal-Mechanical 
• Thermal-Chemical

Can you destroy energy?

• Yes
• No

Can you create energy?

• Yes
• No

What energy is given off when a cell phone rings?

• Sound Energy
• Gravitational Energy
• Thermal Energy
• Nuclear Energy

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

Electrical -> Mechanical -> Sound 

• A triple beam balance measuring an object’s mass
• A pencil sharpener plugged into a wall outlet
• A projector displaying a diagram on the screen
• A working flashlight used to light up a dark corner