Spheres of Earth
Atmosphere
Weather
Changes in Earth's surface
Solar System
100

The layer of air surrounding the Earth

Atmosphere

100

The atmospheric layer in which we live

Troposphere

100

Usually depicted with small triangles pointing in the direction in which it is going

cold front

100

The breakdown of the earth's surface

weathering

100

The closest star to earth

our sun

200

The layer of water making up 75% of its surface

Hydrosphere

200

The atmospheric layer where weather occurs

Troposphere

200

Usually depicted with a H and is associated with clear skies - makes winter nights really cold

High pressure system

200

The movement of broken particles from one place to another

erosion

200

the twin to earth except that it is 700*F and rotates retrograde (backwards)

Venus

300

The layer of solid rock on Earth

Lithosphere

300

The atmospheric layer that protects us from UV radiation

ozone

300

The average conditions in a place over a 30 year period

climate

300

The most common agent of weathering and erosion in our area

water

300

One of the two reasons we have seasons

tilt of the earth or revolution around the sun

400

Cracks in the Lithosphere along which movement occurs due to the Mid Oceans Ridge

faults  

400

The two most abundant gases in the atmosphere

Nitrogen and Oxygen

400

Used to measure air pressure.  A drop in pressure indicates a storm moving in.

barometer

400

large deposits at the base of rivers including the sediments carried from further north

delta

400

what lies between the planet Mars and the planet Jupiter?

asteroid belt

500

The theory that Pangaea broke up into our currents continents and is still moving is called

Theory of Plate Tectonics

500

The atmospheric layer of charged particles used to bounce radio waves off of. (changes altitude day and night)

ionosphere

500

WHere all of the air masses collide in the mid section of our country, we get this

Tornado alley

500

Cole can be strip mined or tunnel mined.  Is this energy source is considered renewable or nonrenewable?

nonrenewable (fossil fuel from dino days' plants)

500

What NASA mission took us to the moon?

the Apollo missions