Types of Energy
the energy that an object has because of its motion or its position
____ ______is energy that allows us to see objects in our world
what is light energy?
Electrical currents will not flow in a ____ _____.
what is open circuit?
Some materials allow heat to transfer through them more easily than others. These materials are called ________.
what are conductors?
Some materials do not allow heat to transfer through easily. These materials are called _______.
what are insulators?
energy that is stored in matter that can be released by a chemical reaction
what is chemical energy?
When light strikes a darker object some or all of the light energy is _______. The light will not pass through.
what is absorbed?
When the electricity can flow and power an object, it is called a ____ _____.
what is a closed circuit?
occurs when two objects come into contact and rub against each other
what is friction?
_______ _____ is both heat and light energy together.
what is radiant energy?
produced by vibrating objects.
what is sound energy?
When light hits the surface of an object that is shiny the light will bounce off or ______.
what is reflect?
If the circuit is built properly: _______ will flow through a complete loop
what is electricity?
Heat energy moves from an object or substance that is _______ to an object or substance that is ______.
what is warmer, cooler?
Low pitch sounds have _____ waves and high pitch sounds have _____ waves.
what is slow, fast?
energy from the flow of an electric charge
what is electrical energy?
Light travels in a _____ _____ until it strikes an object or substance
what is a straight line?
When the electricity flows through the load, some of the energy is transformed into other forms of energy. This is called _____ _____.
what is energy transfer?
heat energy does not flow freely through _______.
what are insulators?
Sometimes energy causes ______ sometimes energy causes a _____, and sometimes it does both.
what is motion, change?
energy that causes a change in temperature.
what is thermal/heat energy?
When light travels through an object or substance (water, oil, clear glass, etc.) the light energy slows down causing it to ____.
what is bend/refract?
A complete circuit needs a minimum of 3 things: ____ ______, ________ ____, & ____.
what is a power source, a conductive path and a load?
aluminum, steel, copper, and gold are examples of ________.
what are conductors?
When one object that is neutral interacts with an object that is charged (positively or negatively), these objects will ______
what is attract?