Unit 9: Characteristics of the Solar System

Question 1

Atmosphere

Answer 1

a mixture of gases that surrounds a planet or moon.

Question 2

Gravity

Answer 2

a force of attaraction between objects that is due to their masses.

Question 3

Accomodations

Answer 3

changes that must be made in an enviroment to maintain livable conditions for himans.

Question 4

Manned-Space Exploration

Answer 4

Humans on board space craft.

Question 5

Pressure

Answer 5

continuous physica force exerted on or againsts 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

Tempature

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 which peopleor 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.