energy transformations

Front

What does the law of conservation of energy state?

Back

Energy can neither be created nor destroyed; it can only change forms.

Front

What is an energy transformation?

Back

An energy transformation occurs when energy changes from one form to another.

Front

What is the correct equation representing the law of conservation of energy?

Back

Energy in = energy out.

Front

What energy transformation occurs when water falls through a dam and turns a turbine?

Back

Mechanical energy transforms into electrical energy.

Front

What energy transformations occur in a pencil sharpener?

Back

Electrical energy transforms into mechanical energy and then into sound energy.

Front

What energy transformations occur in a lamp that plugs into a wall socket?

Back

Electrical energy transforms into thermal energy and then into light energy.

Front

What is an example of energy transformation in a flashlight?

Back

Chemical energy in batteries transforms into electrical energy, which transforms into light energy.

Front

What type of energy transformation occurs in a hydroelectric power plant?

Back

Mechanical energy from falling water transforms into electrical energy.

Front

What is the sequence of energy transformations in a toaster?

Back

Electrical energy transforms into thermal energy, which toasts the bread.

Front

What energy transformation occurs when a battery is used to power a toy car?

Back

Chemical energy transforms into electrical energy, which then transforms into mechanical energy.