Energy Transformations

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

Which energy transformation occurs in a toaster?

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

A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

The roller coaster cart has the most gravitational potential energy at position-

• W
• X
• Y
• Z

Which items would have this energy transformation: chemical energy -> mechanical energy?

• person running
• candle burning
• windmill turning
• playing a violin

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

• chemical energy to electrical to sound.
• electrical energy to thermal to light.
• sound energy to electrical to chemical.
• mechanical energy to electrical to sound.

A hairdryer converts -- 

• electrical energy into chemical
• electrical energy into thermal
• chemical energy into mechanical
• thermal energy into mechanical

What machine changes electrical energy into light and sound energy?

• battery
• lightbulb
• alarm clock
• apple