Earth Science For 5Th Grade Taks

Front 1

Atmosphere

Back 1

The thin layer of air between Earth's surface and outer space

Front 2

Axis

Back 2

The imaginary line on which the Earth is tilted and rotates

Front 3

Condensation

Back 3

The change in a substance from a gas to a liquid

Front 4

Conservation

Back 4

The careful use and protection of natural resources

Front 5

Constellation

Back 5

A group of stars that seem to form a pattern in the sky

Front 6

Deposition

Back 6

The process of dropping, or depositing, sediment (soil) in a new location

Front 7

Diameter

Back 7

Straight line passing through the center of a circle or sphere

Front 8

Dissolve

Back 8

To mix very evenly and separate into particles too small ot be seen

Front 9

Earth

Back 9

The third planet from the sun

Front 10

Earthquake

Back 10

A movement and shaking of the Earth caused by shifting of the Earth's plates and the sudden release of energy in the Earth's crust

Front 11

Erosion

Back 11

The carrying away of rock or soil by wind, water, or ice

Front 12

alternative energy sources

Back 12

a source of energy other than the burning of fossil fuels

Front 13

Evaporation

Back 13

The process by which a liquid becomes a gas

Front 14

Fault

Back 14

A crack in the Earth where earthquakes occur

Front 15

Glacier

Back 15

A large piece of ice that changes the landforms as it moves

Front 16

Gravity

Back 16

The force that causes attraction between objects that have mass

Front 17

Air mass

Back 17

A large body of air with properties similar to the land over which it forms

Front 18

Humus

Back 18

The remains of dead plants and animals that mix with soil

Front 19

crust

Back 19

the rocky surface that makes up the top of the lithosphere and includes the continents and the ocean floor

Front 20

Air pressure

Back 20

The weight of the air or atmosphere; a cause of weather

Front 21

craters

Back 21

huge dents on the surface of the moon

Front 22

convection currents

Back 22

a mass of liquid or gas that in in motion

Front 23

continent

Back 23

one of several large areas of land on Earth

Front 24

constructive forces

Back 24

forces which create new landforms

Front 25

Mercury

Back 25

The closest planet to the sun

Front 26

Moon

Back 26

A natural satellite that orbits Earth

Front 27

groundwater

Back 27

precipitation that soaks into the ground.

Front 28

destructive forces

Back 28

forces which breaks down and destroys landforms.

Front 29

Nonrenewable resource

Back 29

A resource that can be used up

Front 30

hydrosphere

Back 30

Earth's water, whether found in oceans or continents, including fresh water in ice, lakes, rivers and underground water

Front 31

Orbit

Back 31

The curved path around an object such as the path a planet follows around the sun

Front 32

geologist

Back 32

a scientist who studies Earth

Front 33

Phases

Back 33

The different shapes of the moon during the lunar cycle

Front 34

inertia

Back 34

the tendency of a moving object to keep moving in a straight line

Front 35

Pluto

Back 35

The smallest planet and the one farthest from the sun

Front 36

Pollution

Back 36

The release of harmful substances into the environment

Front 37

Precipitation

Back 37

Any form of water that falls from the clouds to Earth

Front 38

mantle

Back 38

the thickest layer of the Earth, lying just under the crust

Front 39

lava

Back 39

magma that reaches Earth's surface

Front 40

Recycle

Back 40

To reuse matierals

Front 41

Renewable resource

Back 41

A resource that can be replaced in a short time

Front 42

magma

Back 42

hot, molten rock deep below the Earth's surface

Front 43

Revolution

Back 43

The trip the Earth makes arond the sun once every 265 1/4 days

Front 44

planet

Back 44

any of the 8 large bodies that travel around the Sun and shine by relecting its light.

Front 45

Rotation

Back 45

The turning of the Earth on its imaginary axis

Front 46

Satellite

Back 46

A natural body, such as the moon, that orbits another object

Front 47

Seasons

Back 47

Times of the year caused by the revolution of the Earth around the sun and the tilt of the Earth on its axis

Front 48

Sediment

Back 48

Silt, or soil, good for plant growth because it absorbs water

Front 49

runoff

Back 49

precipitation or melted snow that does not soak into the ground

Front 50

Sedimentary rock

Back 50

Rock that contains fossils

Front 51

Soil

Back 51

A resource composed or rock and mineral fragments, humus, air, and water

Front 52

plates

Back 52

pieces of the Earth's crust broken by upward pressure from the mantle

Front 53

Solar energy

Back 53

Energy that comes from the sun

Front 54

particles

Back 54

a very small piece or part

Front 55

Solar system

Back 55

The sun, nine planets, and the other obejects that orbit the sun

Front 56

Sun

Back 56

The star closest to Earth that provides energy

Front 57

Sunspots

Back 57

Dark areas on the sun's photosphere (surface); sunspots appear dark because they are cooler than the rest of the sun

Front 58

Tides

Back 58

The movement of the ocean caused by the gravitational pull of the moon

Front 59

Water cycle

Back 59

The process by which water is renewed and used over and over again on the Earth

Front 60

Weather

Back 60

The condition of the atmosphere at a certain place and time

Front 61

Weathering

Back 61

A process that breaks down rocks

Front 62

24 hours

Back 62

The length of night and day on Earth

Front 63

365 1/4 days

Back 63

The length of one year; the time it takes the Earth to orbit the sun one time

Front 64

radiation

Back 64

The giving off of infrared rays through space.

Front 65

transpiration

Back 65

The loss of water through a plan's leaves, which draws water up through the plant to replace it.

Front 66

lithosphere

Back 66

the hard, outer layer of Earth, about 100 km thick

Front 67

resource

Back 67

any material that helps support life on earth

Front 68

wind energy

Back 68

converting the wind into an energy resource