SCIENCE REVIEW 6

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

• thermal -> electrical

• chemical -> mechanical

• mechanical -> electromagnetic

what type of energy is stored in a battery?

• electrical

• thermal

• chemical

Which energy transformation occurs in a toaster?

• chemical to electric

• electric to thermal

• 
  thermal to potential

A battery converts what type of energy to another?

• 
  chemical to electrical

• mechanical to electrical

• 
  light to heat

Energy transformations occur when...

• 
  two forces slide together that are touching

• energy changes from one form to another

• 
  energy is created through conduction

• 
  a chemical reaction takes place

What is energy changing from one form to another?

• energy conservation

• energy transformation

• energy creation

• mechanical energy

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

• 
  person running

• 
  candle burning

• windmill turning

• playing a violin

A hairdryer converts ________

• electrical energy into chemical

• 
  electrical energy into thermal

• chemical energy into mechanical

What machine changes electrical energy into light and sound energy?

• battery

• lightbulb

• 
  alarm clock

An example of electrical energy to heat energy.

• using a hotplate to boil water

• using a match to warm liquid

• 
  growing plants in the window

• 
  mixing chemicals to produce heat