voc 10

desalination getting fresh water from seawater

water cycle the continous movement of water cycle between earts surface and the air changing from liquid to gas to liquid

ground water water tht spaces seeps intoth ground spaces between bits of rock and soil

water table the top of the water filled spaces in the ground.

voc 8

mineral a soli material of earth crust with a definite composition

luster the way light bounce off a minerals surface

streak the color of the powder left when a minerals is rubbed

hardness how well a minerals resist scatching

cleavage the tendency of a mineral to break along flat surface

ore amineral contaning a useful subtance

gem a mineral valued for being rar and beutiful

voc 5

mass the amount of matter in an object

volume the amount of space an object take up

wight amesure of the force of gravity betwwen earth and olbject.

density a mesure of how tightly packed matter is.

bouyancy the upward push on an object by liquid he object is placed in

voc 4

electromagnetism theproduction of magnetism by electricity and the production of electricity.

elecromaagnetism spectrum all the wavelenghths of visible and invisible light in order from short.

laser a device that produce a thin stream of light of just light of just few

voc 3

prism a cut pices of clear glass side with two opposite  side in the shape triangle

spectrum a band of colors produced when a light goes throug a prism.

primary color red green or blue mixing these colors can produce all the color of the spectrum

voc 2

opaque:completely blocking light from passing through

transparent:letting all light through so that object on the side appear

translucent:letting all light through so that object on the side appear blury

polarization:allowing light vibrationto pass through in only dirrection

refraction the bending of light ray as they pass from one subtance into another

convex lens a lens that are curve outward and  bring light toguether

concave a lensthat curve inward at the edge and spread light ray apart

voc1

bioluminescence:light that produce living organism

light ray:a straight line bean of as it travels outward from its source

law os refraction:the angle of an incoming light ray equals th angle4 of the reflected ray

concave mirrror:a mirrro that curves in on the shiny side

convex mirror:a mirror that curves out on the shiny side