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76 Cards in this Set

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Air mass

A large body of air with uniform characteristics

Asthenosphere

A layer of the Earth that lies about 50 miles below the surface

Astronomy

The study of objects and formations in the universe

Atmosphere

An envelope of gases surrounding the earth

Axis

An imaginary line, from north to south, through the center of the planet

Big Bang model

Theory that explains the origin of our universe

Black dwarf

The stage of a star's life following the white dwarf

Black hole

The end stage of a very massive stars life , follows supernova

Carbon cycle

The movement of carbon through the environment

Closed universe theory

Theory suggesting that if the universe has great density it is closed like a sphere

Conservation

The effort to protect and preserve natural resources

Continental drift

A theory that describes how the continents moved on the surface of the Earth to their current position

Core

The innermost layer of the Earth, consist of an outer core and inner core

Crust

The outermost layer of the Earth

Current

a body of water moving in a Direction

Deposition

The process of rocks and sediments being deposited

Earthquake

And even resulting from the shifting of tectonic plates

Elliptical galaxy

The Galaxy that looks circular or oval

Erosion

Movement of weathered rock from one place to another

Exosphere

The highest part of the Earth's atmosphere

Flat universe theory

Siri suggestion that the Universe has density that is neither great nor little and it's flat and infinite

Focus

The area of energy release inside the earth causing an

Fossils

Naturally preserved remains or traces of animal or plant life from the past

Front

The boundary where two air masses meet

Globular clusters

Old clusters of stars within a spiral galaxy

Gravity

The force that causes all matter to be attracted to other matter

Greenhouse effect

The trapping of heat by gases in the atmosphere

Heliocentric

Theory that all the objects in our solar system revolve around the sun, introduced by Nicolaus Copernicus in the early sixteenth century

Humidity

The amount of moisture in the air

Hurricane

A large low pressure system with organized circulation

Hydrosphere

The sphere that contains all the Earth water

indigenous rocks

Rocks formed when magma cools and hardens

Irregular galaxy

A galaxy with no regular shape

Lithosphere

The upper part of the mantle and the crust

Lunar eclipse

Phenomenon that occurs when the moon passes through Earth's shadow

Magma

Rock that exists in a semi-solid state in the mantle

Main sequence star

A store that has a central core that fuses hydrogen to form helium

Mantle

The semi-solid layer of Earth beneath the core

Mesosphere

The third highest layer of the Earth's atmosphere

Metamorphic rocks

rocks formed when other rocks are subjected to heat and pressure

Milky way

Our galaxy, a spiral galaxy

Natural resources

Materials that occur in nature

Nebula

Dense clouds in regions of relatively empty space

Neutron star

The stage of a star's life following supernova

Nitrogen cycle

The movement of nitrogen through the environment

Non-renewable resources

Resources that are being consumed faster than they are produced

Open universe theory

Theory suggesting that if the universe has small density, it is curved negativity and open and infinite

Ozone layer

Part of the atmosphere made of ozone

Pangaea

The last supercontinent on Earth

Penumbra

Eyeshadow that is caused during a solar eclipse, a partial solar can be seen within this shadow

Phase

The way the moon appears to an observer on Earth, it occurs because we see different portions of the Moon illuminated by the Sun as the moon orbits around the Earth

Planetary nebula

A red giant that has collapsed and becomes a hot for carbon

Plate tectonics

The theory that describes Earth's surface being made of rigid, moving plates

Pollution

The contamination of Natural Resources

Red giant

A store that has used up its hydrogen and expands

red supergiant

Astore more massive than the Sun that has used up it's hydrogen

Renewable resource

Resources that are replaced quickly and can be used repeatedly

Revolution

The path of an object around another object

Richter scale

scale used to measure the magnitude of an earthquake

Rotating

The Turning of an object on its axis

Seasons

Spring summer autumn winter

Sedimentary rocks

Rocks made from fragments of material such as sand, shells, and Pebbles

Seismic waves

Waves that carry the energy released from an earthquake

Solar eclipse

the passing of the Moon directly between the Sun and the earth

Solar system

A system that contains a store, planets, and other galaxies

Spiral galaxy

A Galaxy that has a center of old stars with arms at the desk, gas, and younger Stars

Stratosphere

The second highest layer of the Earth's atmosphere

Sunspot

Concentrations of the sun's magnetic field

Supernova

The explosion of a red supergiant

Thermosphere

The fourth highest layer of the Earth's atmosphere

Tide

Phenomenon that occurs when the moon's gravity and the Earth's rotation cause the oceans to bulge out in places

Troposphere

The lowest layer of the Earth's atmosphere

Tsunami

Set of ocean waves triggered by an earthquake

Umbra

A smaller shadow that is passed during the solar eclipse, a total solar eclipse can be seen within the shadow

Weathering

The process of rock decomposition

White dwarf

The stage of a star's life following planetary nebula