electricity
plate tectonics
atmosphere
earth
solar system
100

property that causes to attract or repel without touching.

electric charge

100

super continent 

pangea

100

main gas of atmosphere

nitrogen

100

half of a sphere

hemisphere

100
center of our solar system

sun

200
electric force of attraction or repulsion

electric force

200

pieces of lithosphere that move around the earth

tectonic plates

200

lowest layer of the atmosphere

troposphere

200

has a north and south pole and comes from the convection of molten iron and nickle in the core

magnetic field

200

inner, rocky planets

terrestrial planets 

300

build up of charge on an object

static electricity

300

when plates move apart

divergent plate boundary 

300

contains the ozone layer

stratosphere

300

causes seasons

tilt

300

outer, gas plantes

gas giants

400

different in electric potential energy

voltage

400

2 plates moving horizontally in opposite directions

transform plate boundary 

400

mass/volume and decreases with altitude

density

400

when the sun is closest to one of the poles

solstice

400

our galaxy

milky way

500

allows electrons to flow

conductor

500

Geologist that supported seafloor spreading

harry hess

500

outermost layer of the atmosphere

exosphere

500

squished sphere

oblate spheroid

500

special group of constellations that extend out from earths equator 

zodiac