Atmosphere

Question 1

atmosphere

Answer 1

the mixture of gases that surrounds a planet

Question 2

troposphere

Answer 2

the lowest region of the atmosphere

Question 3

stratosphere

Answer 3

the layer of the earth’s atmosphere above the troposphere

Question 4

altitude

Answer 4

the height of an object or place above the sea

Question 5

ozone

Answer 5

a colorless unstable toxic gas

Question 6

ultraviolet

Answer 6

ultraviolet light cannot be seen by people, but is responsible for making your skin darker when you are in

Question 7

excessive

Answer 7

more than is necessary, normal, or desirable; immoderate

Question 8

exposure

Answer 8

the state of having no protection from something harmful

Question 9

mesosphere

Answer 9

the region of the earth’s atmosphere above the stratosphere and below the thermosphere

Question 10

meteoroids

Answer 10

any of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth’s atmosphere it is heated to luminosity and becomes a meteor

Question 11

satellite

Answer 11

Astronomy. a natural body that revolves around a planet; a moon

Question 12

thermosphere

Answer 12

the region of the upper atmosphere in which temperature increases continuously with altitude

Question 13

sparse

Answer 13

not thick or dense; thin

Question 14

aurora

Answer 14

an atmospheric phenomenon consisting of bands, curtains, or streamers of light, usually green, red, or yellow

Question 15

particle

Answer 15

a minute portion, piece, fragment, or amount; a tiny or very small bit

Question 16

emit

Answer 16

to send forth (liquid, light, heat, sound, particles