unit 9 vocabs

Question 1

Atmosphere

Answer 1

a mixture of gases that surrounds a planet or moon.

Question 2

Gravity

Answer 2

a force of attraction between objects that is due to their masses

Question 3

Accomodations

Answer 3

changes that must be made in an environment to maintain livable conditions for humans

Question 4

Manned-Space Exploration

Answer 4

humans on board space craft

Question 5

Pressure

Answer 5

continuous physical force exerted on or against an object by something in contact with it

Question 6

Proximity

Answer 6

closeness

Question 7

Radiant Energy-

Answer 7

the energy we get from the sun, includes infrared and ultraviolet energy

Question 8

Temperature -

Answer 8

measurement of heat

Question 9

Solar System

Answer 9

sun, planets, and all the other objects that revolve around the sun

Question 10

Micro Gravity-

Answer 10

condition in which people or objects appear to be weightless

Question 11

Habitable zone-

Answer 11

range of orbit around a star in which a plant can support liquid water