C.1a General understandings of energy

What is energy?

• Energy- the capacity to do work
  • something that can be stored and which can be used in order to do things
  • Energy might be used to:
    • Increase an object’s speed
    • Lift an object
    • Compress or stretch a spring
    • Heat up a substance or change its state(e.g. Solid to liquid or liquid to gas)
• Work- the transfer of energy from one object to another or the transfer of energy from one form to another

Work done-the product of the force and the distance travelled in the direction of the force

The conservation of energy

There are many forms of energy shown below 

Forms of Energy