Energy and Machines

• is the ability to do work

  energy
• you cannot see the energy stored in your___ but you can see its affect

  muscles
• you use energy to breath, move around and do

  other things
• energy exists in many forms, the forms of energy may be classified into two main categories. Kinetic and___

  potential
• anything that is in motion possesses___ energy

  kinetic
• potential energy has ___ energy

  stored
• is the energy that an object possesses due to its motion (KE) or its position (PE)

  mechanical
• the energy associated with the movement of electrical charges

  electrical
• the energy that the sun provides

  light
• devices that generate electricity is referred to as electrochemical cells

  chemical
• the energy brought about by a vibrating medium

  sound
• determined by how active its atoms and molecules are

  thermal
• the change of energy from one form to another is known as

  energy transformation
• governs energy transformation. states that the total amount of energy does not change

  law of conservation of energy