Unit 9 Vocab Flashcards
1
Q
Atmosphere
A
a mixture of gases that surround planets
2
Q
Gravity
A
A force of attraction between objects that is because of their masses
3
Q
Accomadations
A
changes that must be made in an environment to allow human livable conditions
4
Q
Manned-Space Exploration
A
Humans on a space craft
5
Q
Pressure
A
continuous physical force exerted against two objects
6
Q
Proximity
A
Closeness
7
Q
Radiant Energy
A
Energy that we receive from the sun
8
Q
Temperature
A
the 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
A condition in where people and appear to be weightless
11
Q
Habitable zone
A
A range of orbit around a star in which a plant can support liquid water
