Below is a list of all the key words used during this topic, once you double check the word you don’t understand, hit the back button to return to the previous page.
There is also a link for a Vocabulary activity which will allow you to revise the key terms.
https://www.quia.com/jg/395550.html
Energy | ability to cause changes in matter |
Law of conservation of energy | law that states that energy cannot be created or destroyed |
Potential energy | energy that is due to the position or condition of an object |
Kinetic energy | energy of motion |
Thermal energy | kinetic energy of the moving particles of a substance |
Heat | movement or transfer of thermal energy |
Convection | transfer of thermal energy through fluids or gas |
Radiation | transfer of thermal energy as waves |
Conduction | transfer of thermal energy by touch |
Transfer | energy type stays the same. E.g. flame heat to boil water |
Transformations | energy type is changed into another form. E.g. chemical to kinetic |
Efficiency | the measure of how much useful energy is transferred or transformed from one state to another. |
Vacuum | the absence or lack of air |
Battery | a chemical storage of potential energy |
Resistor | slows down the flow of electrons in a circuit |
Magnet | substance in which all the domains are aligned in the same direction |
Electricity | interaction of electric charges |
Electric energy | movement of electric charge from one place to another |
Circuit | connection between the poles of an electrical energy source |
Conductor | a material that allows electrons to flow |
Insulator | a material that restricts the flow of electrons |
Electromagnet | magnet that can be turned on and off at will |
Chemical energy | form of potential energy stored in reactants |
Nuclear energy | energy contained in the bonds that hold the protons and neutrons of an atom’s nucleus together |
Fission | process of a nucleus breaking into two parts |