science definitions

Question 1

Abiotic

Answer 1

a non-living part of an ecosystem that shapes its environment

Question 2

Acid / Base

Answer 2

any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions

Question 3

Aquifer

Answer 3

a body of porous rock or sediment saturated with groundwater

Question 4

Beneficial

Answer 4

producing good or helpful results or effects

Question 5

Biotic

Answer 5

of or relating to life especially : caused or produced by living beings.

Question 6

catastrophic event

Answer 6

sudden, natural or man-made, situations where change & destruction occur

Question 7

conservation

Answer 7

the act of protecting Earth’s natural resources for current and future generations

Question 8

Deposition

Answer 8

the laying down of sediment carried by wind, flowing water, the sea or ice.

Question 9

Destruction

Answer 9

1. the state or fact of being destroyed
2. the interference of two waves of equal frequency and opposite phase , resulting in their cancellation where the negative displacement of one always coincides with the positive displacement of the other.

Question 10

Drought

Answer 10

a prolonged period when precipitation is less than normal.

Question 11

Earth quake

Answer 11

1. sudden slip on a fault, and the resulting ground shaking and radiated seismic energy caused by the slip, or by volcanic or magmatic activity, or other sudden stress changewhat happens when two blocks of the earth suddenly slip past one anothers in the earth.
   2.

Question 12

ecoregion

Answer 12

a relatively large unit of land or water containing a geographically distinct assemblage of species, natural communities, and environmental conditions

Question 13

ecosystem

Answer 13

a community or group of living organisms that live in and interact with each other in a specific environment.

Question 14

Environment

Answer 14

the complex of physical, chemical, and biotic factors that act upon an organism or an ecological community and ultimately determine its form and survival.

Question 15

Erosion

Answer 15

the geological process in which earthen materials are worn away and transported by natural forces such as wind or water

Question 16

Evaporation

Answer 16

the process by which a liquid turns into a gas.

Question 17

Flood

Answer 17

An overflow of water onto normally dry land

Question 18

Ground water

Answer 18

water that exists underground in saturated zones beneath the land surface.

Question 19

Human activity

Answer 19

something that people do or cause to happen

Question 20

Hurricane

Answer 20

1. a storm with a violent wind, in particular a tropical cyclone in the Caribbean.
2. a tropical storm with winds that have reached a constant speed of 74 miles per hour or more

Question 21

Ice wedging

Answer 21

occurs when frozen precipitation falls over an area and seeps into small cracks in rocks and other materials.

Question 22

Land forms

Answer 22

a specific geomorphic feature on the surface of the earth,

Question 23

Land slide

Answer 23

the movement of a mass of rock, debris, or earth down a slope

Question 24

Percolation

Answer 24

the action of proclaiming

Question 25

permeability

Answer 25

the quality or state of being permeable.

Question 26

PH

Answer 26

quantitative measure of the acidity or basicity of aqueous or other liquid solutions.

Question 27

pollution

Answer 27

the introduction of harmful materials into the environment

Question 28

population

Answer 28

a distinct group of individuals, whether that group comprises a nation or a group of people with a common characteristic

Question 29

percipitation

Answer 29

a deposit on the earth of hail, mist, rain, sleet, or snow also : the quantity of water deposited.

Question 30

processes

Answer 30

a naturally occurring or designed sequence of changes of properties or attributes of an object or system.

Question 31

Recharge Zone

Answer 31

those areas where water infiltrates through the permeable rock and sediment

Question 32

Reshaping

Answer 32

to give a new form or orientation to : reorganize.

Question 33

Runoff

Answer 33

the part of the water cycle that flows over land as surface water instead of being absorbed into groundwater or evaporating

Question 34

species

Answer 34

a group of organisms that can reproduce with one another in nature and produce fertile offspring.

Question 35

surface water

Answer 35

all water naturally open to the atmosphere, including rivers, lakes, reservoirs, streams, impoundment’s, seas, estuaries and so on

Question 36

tomado

Answer 36

taken; taken in; fooled; admitted; took in; wiped up.

Question 37

Tsunami

Answer 37

giant waves caused by earthquakes or volcanic eruptions under the sea

Question 38

vegetation

Answer 38

an assemblage of plant species and the ground cover they provide

Question 39

volcano

Answer 39

an opening in the earth’s crust through which lava, volcanic ash, and gases escape.

Question 40

Water features

Answer 40

1. something such as an artificial pond or waterfall, usually in a garden.
2. an artificial pond or waterfall, usually in a garden.

Question 41

water table

Answer 41

upper level of an underground surface in which the soil or rocks are permanently saturated with water

Question 42

watershed

Answer 42

an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel.

Question 43

weathering

Answer 43

the breaking down or dissolving of rocks and minerals on the surface of the Earth

Question 44

wild fire

Answer 44

1. a sweeping and destructive conflagration especially in a wilderness or a rural area.
   2, a sweeping and destructive conflagration especially in a wilderness or a rural area.