Spheres
The Sphere that includes all the solid surface of the earth down to the core
Geoshpere
Because of the earth's tilt, we have ___________.
Seasons
The earth is tilted on its_____________.
Axis
The layer closest to the earth's surface where most of weather takes place.
Troposphere
Can you give an example of something we can't see but we know it exits and is very important?
Air, Magnetic Field, Gravity, etc...
The sphere that includes all the water in, on, and above the earth
Hydrosphere
The earth has two halves. They are called the northern and southern ______________.
hemispheres
The universe is not still, it is _______________.
Expanding
The layer above the earth where the air is calm and in layers. It contains the ozone layer which blocks out harmful UV rays.
Stratosphere
Describe the invisible force that protects the earth from harmful radiation.
Magnetic Field
The sphere that includes all the gases surrounding the earth
Atmospshere
The imaginary line that divides the world in half.
The equator
One year is the amount of time it takes the sun to travel around the Sun. We also call this an _______ or a _________.
Orbit; revolution
The layer of the atmosphere that is in the middle and breaks up meteors.
Mesosphere
Describe a frame of reference.
Everywhere you stand appears to have a center because the universe is expanding.
The sphere that includes all living things
Biosphere
The three types of galaxies are...
Spiral, Elliptical, Irregular
The universe is expanding in every ___________.
direction.
The layer above earth that is very hot and contains satellites and the Auroras
Thermosphere
Describe the Habitable zone. (Three things, well, really six things)
Not to hot/cold; Not too big/small; Not to hard/soft
Name the three layers of the Geosphere
Core, Mantle, Crust
Got to get all three: The weight of the atmosphere pushing down on us is what causes air_______. A group of planets, stars, dust, etc., all moving together is called a ________. The branch of science that studies the observable universe is called ________.
pressure; galaxy; astronomy
Identify the percentages of different types of water found in the hydrosphere.
Fresh water, 1%
Fresh water in ice bergs (Cryosphere), 2%
Salt water, 97%
The outer most layer above the earth. Things look dark up there.
Exosphere
Describe our address in the universe. (Six things)
Earth, Solar System, Interstellar Neighborhood, Galaxy, Observable Universe, Universe