Section 2 - Unit B

• Chemical Energy


  Potential energy stored in the chemical bonds of compounds
• Gravitational Potential Energy


  Energy of objects positioned above the Earth's surface
• Nuclear Potential Energy


  Potential energy stored in the nucleus of an atom
• Elastic Energy


  Potential energy stored in stretched or compressed items such as springs, trampolines and diving boards
• Electrical Energy and Magnetism


  Work done by moving charges. When charged particles, like electrons, move through a wire and through an electrical device, they transfer some of their energy to that device
• Radiant Energy


  Energy transmitted through electromagnetic waves
• Heat


  Energy due to the movement of atoms within a substance
• Heat and Mechanical Energy


  The energy of potential and kinetic energy can be converted to heat
• Mass


  Measure of the amount of matter that makes it up
• Weight


  Gravitational force exerted on an object by a large body
• Potential Energy


  Energy stored in an object because of its state or position
• Elastic Potential Energy


  Energy stored in an object that has its shape changed by stretching, twisting or compressing
• Kinetic Energy


  Energy due to motion
• Mechanical Energy


  Sum of an object's potential and kinetic energy
• The Law of Conservation of Mechanical Energy: Within a closed, isolated system, energy can change form (between potential and kinetic), but the total amount of mechanical energy remains constant
• Hydro-Electric Power Station


  Convert the energy of moving water into electricity. This conversion takes many steps
• Coal Burning Station


  Coal is placed in the combustion chamber, A, where it burns at a very high temperature. The chemical potential energy in the coal is converted into heat
• Nuclear Power Station


  Used the technology of splitting the atom to create a new method of generating electricity
• Solar Cell


  They have no moving parts and they convert solar energy directly to electricity