7.3.1/Jade

Question 1

Atmosphere

Answer 1

the envelope of gases surrounding the earth or another planet.

Question 2

Altitude

Answer 2

the height of an object or point in relation to sea level or ground level.

Question 3

Density

Answer 3

the degree of compactness of a substance.

Question 4

Troposphere

Answer 4

The troposphere is the first and lowest layer of the atmosphere of the Earth

Question 5

Stratosphere

Answer 5

The stratosphere is the second layer of the atmosphere of the Earth, located above the troposphere and below the mesosphere.

Question 6

Mesosphere

Answer 6

The mesosphere is the third layer of the atmosphere, directly above the stratosphere and directly below the thermosphere. In the mesosphere, temperature decreases as altitude increases.

Question 7

Thermosphere

Answer 7

a layer of Earth’s atmosphere that is directly above the mesosphere and below the exosphere.

Question 8

Exosphere

Answer 8

the outermost region of a planet’s atmosphere.

Question 9

Temperature

Answer 9

degree of hotness or coldness measured on a definite scale.

Question 10

Nitrogen

Answer 10

the chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth’s atmosphere.

Question 11

Carbon Dioxide

Answer 11

a colourless gas formed during the combustion of any material containing carbon and an important green house gas.

Question 12

Oxygen

Answer 12

a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.

Question 13

air pressure

Answer 13

the force exerted on a surface by the air above it as gravity pulls it to Earth.

Question 14

concentration

Answer 14

the strength of a solution, esp the amount of dissolved substance in a given volume of solvent, usually expressed in moles per cubic metre or cubic decimetre

Question 15

condition (science definition)

Answer 15

a mode or state of being, the state of being fit

Question 16

constant (science definition)

Answer 16

A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.

Question 17

continuous (science definition)

Answer 17

Relating to a line or curve that extends without a break or irregularity.

Question 18

composition

Answer 18

the nature of something’s ingredients or constituents; the way in which a whole or mixture is made up.

Question 19

elevation

Answer 19

height above a given level, especially sea level.

Question 20

generate (science definition)

Answer 20

to produce or bring into being; create

Question 21

hazard (science definition)

Answer 21

the inherent properties of a chemical substance that make it capable of causing harm to a person or the environment.

Question 22

increase

Answer 22

become or make greater in size, amount, intensity, or degree.

Question 23

influence (science definition)

Answer 23

the impact exerted on an object and leads to a change in its properties, position and so on.

Question 24

inhabitable

Answer 24

suitable to live in; habitable.

Question 25

instability

Answer 25

lack of stability; the state of being unstable.

Question 26

layer

Answer 26

a sheet, quantity, or thickness of material, typically one of several, covering a surface or body.

Question 27

moderate

Answer 27

average in amount, intensity, quality, or degree.

Question 28

monitor (science definition)

Answer 28

a device or arrangement for observing, detecting, or recording the operation of a machine or system, especially an automatic control system.

Question 29

originate

Answer 29

create or initiate (something).

Question 30

pollutant

Answer 30

a substance that pollutes something, especially water or the atmosphere.

Question 31

property

Answer 31

an attribute, quality, or characteristic of something.

Question 32

radiation

Answer 32

the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.

Question 33

region

Answer 33

an area of land that has common features.

Question 34

relative

Answer 34

considered in relation or in proportion to something else.

Question 35

solar

Answer 35

relating to or determined by the sun.

Question 36

stable

Answer 36

not liable to undergo chemical decomposition, radioactive decay, or other physical change.

Question 37

structure

Answer 37

the arrangement of and relations between the parts or elements of something complex.

Question 38

surface

Answer 38

the outside part or uppermost layer of something (often used when describing its texture, form, or extent).

Question 39

uninhabitable

Answer 39

(of a place) unsuitable for living in.