7.3.1-Jacob

Question 1

Atmosphere

Answer 1

the envelope of gases surrounding the earth

Question 2

Altitude

Answer 2

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

Question 3

Density

Answer 3

the degree of compactness of a substance.

Question 4

Troposphere,

Answer 4

miles (6–10 km), which is the lower boundary of the stratosphere.

Question 5

Stratosphere

Answer 5

the layer of the earth’s atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth’s surface (the lower boundary of the mesosphere

Question 6

Mesosphere

Answer 6

the region of the earth’s atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles (50 and 80 km) in altitude.

Question 7

Thermosphere

Answer 7

the region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium. The thermosphere is characterized throughout by an increase in temperature with height.

Question 8

Exosphere

Answer 8

the outermost region of a planet’s atmosphere.

Question 9

Temperature

Answer 9

the degree or intensity of heat present in a substance

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. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant.

Question 11

Carbon Dioxide

Answer 11

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.

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

altitude

Answer 13

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

Question 14

density

Answer 14

the degree of compactness of a substance.

Question 15

air pressure,

Answer 15

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

Question 16

concentration

Answer 16

the action or power of focusing one’s attention or mental effort.

Question 17

condition,

Answer 17

the state of something with regard to its appearance, quality, or working order.

Question 18

constant

Answer 18

occurring continuously over a period of time.

Question 19

continuous

Answer 19

forming an unbroken whole; without interruption.

Question 20

composition,

Answer 20

the nature of something’s ingredients or constituents

Question 21

elevation

Answer 21

the action or fact of elevating or being elevated.

Question 22

generate

Answer 22

cause (something, especially an emotion or situation) to arise or come about.

Question 23

hazard

Answer 23

any source of potential damage, harm or adverse health effects on something or someone

Question 24

increase

Answer 24

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

Question 25

uninhabitable

Answer 25

of a place) unsuitable for living in

Question 26

surface

Answer 26

the exterior or upper boundary of an object or body