Energy 1
type of energy that makes it possible for us to see the world around us
light
an object that separates white light into the colors that make it up
prism
materials that let light pass through them; you can see through them
Ex: water and glass
transparent
the type of energy produced by a moving electrical charge or energy you get when electrons flow from place to place
electrical energy
the group of different colors including red, orange, yellow, green, blue, indigo, and violet seen when light passes through a prism and falls on a surface or when sunlight is affected by drops of water (as in a rainbow)
spectrum
when light strikes a surface and bounces off
reflection
energy an object has because of the movement of its molecules; this is produced when a rise in temperature causes atoms and molecules to move faster
thermal or heat energy
A type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate too causing them to bump into more air particles. This movement keeps going until they run out of energy.
sound energy
the distance from the top of one wave to the top of the next
wavelength
places where light does not fall
shadow
This type of energy is air in motion. It is produced by the uneven heating of the earth's surface by the sun.
wind energy
not capable of having light pass through it
Ex: a black sheet of paper
opaque
something moves away in all directions from a central point
radiate
the bending of light as it passes from one material to another
refraction
This is the energy stored in moving objects. As the object moves faster, more energy is stored. This energy is the sum of potential and kinetic energy in an object that is used to do work.
motion or mechanical energy
tubes made of glass or plastic that keep the light energy inside the entire length of their fiber. Sometimes called light pipes because they can carry light from place to place.
Ex: used to carry long-distance phone calls, can carry coded information (data) in light, brings you email and internet
optical fibers
the ability to do work
energy
materials reflect some light and let the rest pass through
Ex: cloudy looking plastics
translucent
Energy that is stored in the bonds between atoms and molecules. Energy is released when bonds are broken, where as energy is absorbed when a bond is formed.
Ex: food breaking down when you digest food
chemical energy
Tubes of gas that use electricity to produce thin beams that have one wavelength of light. All the rays travel in the same direction creating a high-energy beam.
Ex: used to cut steel, used in surgery, or used to read cds
laser