Unit 2 Vocab / Earth & Space Science

Front 1

Air mass

Back 1

A large body of air with uniform characteristics

Front 2

Asthenosphere

Back 2

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

Front 3

Astronomy

Back 3

The study of objects and formations in the universe

Front 4

Atmosphere

Back 4

An envelope of gases surrounding the earth

Front 5

Axis

Back 5

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

Front 6

Big Bang model

Back 6

Theory that explains the origin of our universe

Front 7

Black dwarf

Back 7

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

Front 8

Black hole

Back 8

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

Front 9

Carbon cycle

Back 9

The movement of carbon through the environment

Front 10

Closed universe theory

Back 10

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

Front 11

Conservation

Back 11

The effort to protect and preserve natural resources

Front 12

Continental drift

Back 12

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

Front 13

Core

Back 13

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

Front 14

Crust

Back 14

The outermost layer of the Earth

Front 15

Current

Back 15

a body of water moving in a Direction

Front 16

Deposition

Back 16

The process of rocks and sediments being deposited

Front 17

Earthquake

Back 17

And even resulting from the shifting of tectonic plates

Front 18

Elliptical galaxy

Back 18

The Galaxy that looks circular or oval

Front 19

Erosion

Back 19

Movement of weathered rock from one place to another

Front 20

Exosphere

Back 20

The highest part of the Earth's atmosphere

Front 21

Flat universe theory

Back 21

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

Front 22

Focus

Back 22

The area of energy release inside the earth causing an

Front 23

Fossils

Back 23

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

Front 24

Front

Back 24

The boundary where two air masses meet

Front 25

Globular clusters

Back 25

Old clusters of stars within a spiral galaxy

Front 26

Gravity

Back 26

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

Front 27

Greenhouse effect

Back 27

The trapping of heat by gases in the atmosphere

Front 28

Heliocentric

Back 28

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

Front 29

Humidity

Back 29

The amount of moisture in the air

Front 30

Hurricane

Back 30

A large low pressure system with organized circulation

Front 31

Hydrosphere

Back 31

The sphere that contains all the Earth water

Front 32

indigenous rocks

Back 32

Rocks formed when magma cools and hardens

Front 33

Irregular galaxy

Back 33

A galaxy with no regular shape

Front 34

Lithosphere

Back 34

The upper part of the mantle and the crust

Front 35

Lunar eclipse

Back 35

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

Front 36

Magma

Back 36

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

Front 37

Main sequence star

Back 37

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

Front 38

Mantle

Back 38

The semi-solid layer of Earth beneath the core

Front 39

Mesosphere

Back 39

The third highest layer of the Earth's atmosphere

Front 40

Metamorphic rocks

Back 40

rocks formed when other rocks are subjected to heat and pressure

Front 41

Milky way

Back 41

Our galaxy, a spiral galaxy

Front 42

Natural resources

Back 42

Materials that occur in nature

Front 43

Nebula

Back 43

Dense clouds in regions of relatively empty space

Front 44

Neutron star

Back 44

The stage of a star's life following supernova

Front 45

Nitrogen cycle

Back 45

The movement of nitrogen through the environment

Front 46

Non-renewable resources

Back 46

Resources that are being consumed faster than they are produced

Front 47

Open universe theory

Back 47

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

Front 48

Ozone layer

Back 48

Part of the atmosphere made of ozone

Front 49

Pangaea

Back 49

The last supercontinent on Earth

Front 50

Penumbra

Back 50

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

Front 51

Phase

Back 51

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

Front 52

Planetary nebula

Back 52

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

Front 53

Plate tectonics

Back 53

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

Front 54

Pollution

Back 54

The contamination of Natural Resources

Front 55

Red giant

Back 55

A store that has used up its hydrogen and expands

Front 56

red supergiant

Back 56

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

Front 57

Renewable resource

Back 57

Resources that are replaced quickly and can be used repeatedly

Front 58

Revolution

Back 58

The path of an object around another object

Front 59

Richter scale

Back 59

scale used to measure the magnitude of an earthquake

Front 60

Rotating

Back 60

The Turning of an object on its axis

Front 61

Seasons

Back 61

Spring summer autumn winter

Front 62

Sedimentary rocks

Back 62

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

Front 63

Seismic waves

Back 63

Waves that carry the energy released from an earthquake

Front 64

Solar eclipse

Back 64

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

Front 65

Solar system

Back 65

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

Front 66

Spiral galaxy

Back 66

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

Front 67

Stratosphere

Back 67

The second highest layer of the Earth's atmosphere

Front 68

Sunspot

Back 68

Concentrations of the sun's magnetic field

Front 69

Supernova

Back 69

The explosion of a red supergiant

Front 70

Thermosphere

Back 70

The fourth highest layer of the Earth's atmosphere

Front 71

Tide

Back 71

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

Front 72

Troposphere

Back 72

The lowest layer of the Earth's atmosphere

Front 73

Tsunami

Back 73

Set of ocean waves triggered by an earthquake

Front 74

Umbra

Back 74

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

Front 75

Weathering

Back 75

The process of rock decomposition

Front 76

White dwarf

Back 76

The stage of a star's life following planetary nebula