ch.5 vocabulary By Rhian Gorman

everything in the world

an instrument that studies the stars

the bending of waves as they go into another substance

the bouncing of waves off a surface

the length from one wave to another

the number of waves that pass that pass through a point in a second

waves of light in order by wavelength

a complete spin on an axis

a belt 15 degrees wide in longitude

The 180 degree line of longidude

the complete rotation around the sun

one part of the lighted part of the moon

a blocking of a view of the Full Moon

a blocking out of a view of the sun

a regular rise and fall