# TYPES OF ENERGY TRANSFERS

## What is an Energy Transfer?

An energy transfer/conversion is a change from one form of energy to another.

## ELECTRICAL ⇨ LIGHT

Say you plug in a lamp, that's electrical energy. And that light has a light bulb, right? The electricity travels up to the light bulb, and it lights up, therefore changing into light energy. The light bulb gets hot after a while, and that would be light into thermal as well as light. Basically you plug the lamp in [your electrical energy], and that powers the light bulb/ makes it light up [this would be the light energy], and that's where the conversion is.

## CHEMICAL ⇨ ELECTRICAL

You're probably asking, How the heck does that even work!? Well let me tell you. The battery has chemicals inside of it, and when you use your phone, the battery uses the chemicals inside it to make electricity, therefore powering the phone. So batteries use the chemical's energy from the chemicals inside to make electrical energy. Chemical to electrical, it's that simple.

## What is potential energy?

Potential energy is the energy that an object has because of the position, shape, or condition of the object. For example, the guy in the picture to the right has a bow and arrow. The stretched bow has potential energy; work has been done to change it's shape.

## What is kinetic energy?

Kinetic Energy is the energy of an object that is due to the object's motion. All moving objects have kinetic energy.

## How does it work?

Say you are sitting down. Right now you have potential energy. If you get up and walk/run, you have kinetic energy. Therefore, as soon as you get up and start walking, that potential energy has turned into kinetic.

## ELECTRICAL ⇨ THERMAL

A hair dryer is an example of electrical being turned into thermal energy. The electrical energy enters the hair dryer, the turning wires heat up, therefore creating thermal energy.

## LIGHT ⇨ CHEMICAL

Photosynthesis is and example of light into chemical energy. Photosynthesis is the process a plant undergoes, using light energy to make new substances that have chemical energy. The plant takes in light energy [with the resources of soil and water], and uses chlorophyll to make sugar and oxygen. The sugar the plant takes to, say you had an apple from an apple tree, the apple has the sugar inside it and when you eat the sugar, you get energy from it (this being chemical). You see, science isn't as complicated as you thought. It's pretty basic when it comes to conversions.