Electricity
property that causes particles to attract or repel with out touching
what is electric charge?
the last super continent
what is Pangaea?
lowest layer and where the weather happens
what is the troposphere?
a line through the north and south that the earth rotates on
what is the axis?
the four planets closest to the sun
what are the terrestrial planets?
force of attraction of repulsion
what is electric force?
hypothesis that the seafloor is made at the mid-oceanic ridge and destroyed in trenches
what is seafloor spreading?
the layer that has the ozone layer within it
what is the stratosphere?
the spinning of the earth on its axis
what is rotation?
the four planets that all have rings
what are the outer planets?
area around the charge where the electric force can be felt
what is electric field?
a system of mountains that created new ocean floors
what is mid-oceanic ridge?
meteors burn up in this layer
what is the mesosphere?
when everything revolves around the earth
what is the geocentric model?
a group of stars that appear to be grouped together
what is a constellation?
the rubbing of materials together
what is friction?
really deep and steep part of the ocean that destroys old ocean floor
what are trenches?
space stations are in this layer and it has very low density
what is the thermosphere?
when everything revolves around the sun
what is the heliocentric model?
this is 99.8 percent of the solar system
what is the sun
the direct contact of materials
what is conduction?
underwater plain in the depths of the ocean
what are abyssal plains?
the layer that is the closest to space
what is the exosphere?
when a space object moves in front of another space object
what is an eclipse?
smallest planet in the solar system
what is mercury?