Unit 9 vocab Flashcards
(11 cards)
1
Q
Atmosphere
A
A mixture of gases that surrounds a planet or moon
2
Q
Gravity
A
A force of attraction between objects that is due to their masses
3
Q
Accomodations
A
Changes that must be made in an environment to maintain livable conditions for humans
4
Q
Manned-space exploration
A
Humans on board space craft
5
Q
Pressure
A
Continuous physical force exerted on or against an object by something in contact with it
6
Q
Proximity
A
Closeness
7
Q
Radiant energy
A
The energy we get from the sun, includes infrared and ultraviolet energy
8
Q
Temperature
A
Measurement of heat
9
Q
Solar system
A
Sun, planets, and all the other objects that revolve around the sun
10
Q
Micro gravity
A
Condition in which people or objects appear to be weightless
11
Q
Habitable zone
A
Range of orbit around a star in which a plant can support liquid water
