chapter 2

Question 1

sun and the group of bodies that revolve around it

Answer 1

solar system

Question 2

major bodies that orbit a star

Answer 2

planets

Question 3

smaller objects that orbit a planet

Answer 3

moons

Question 4

body whose great size attracts other objects through gravity

Answer 4

sun

Question 5

type of energy that reaches earth as light and heat

Answer 5

solar energy

Question 6

one complete spin of earth on its axis

Answer 6

rotation

Question 7

one elliptical orbit of earth around the sun

Answer 7

revolution

Question 8

smaller outer planet that has a rocky core

Answer 8

pluto

Question 9

galaxy in which we live

Answer 9

milky way

Question 10

one of only two planets in the solar system that does not have a moon

Answer 10

mercury

Question 11

7th from the sun, third largest planet

Answer 11

Uranus

Question 12

third planet from the sun and the fifth largest of the nine planets

Answer 12

earth

Question 13

includes all life forms, both plants and animals

Answer 13

biosphere

Question 14

the envelope of gases that surrounds earth

Answer 14

atmosphere

Question 15

all of earths water

Answer 15

hydrosphere

Question 16

includes land and soil and the solid crust of the planet

Answer 16

lithosphere

Question 17

a group of different parts that interact to form a whole

Answer 17

system

Question 18

geographers divide systems into 4 major parts

Answer 18

earths 4 spheres

Question 19

where large amounts of ice are locked

Answer 19

glaciers in polar regions

Question 20

biological, chemical and physical conditions that interact

Answer 20

environment

Question 21

individuals and group that influence government decisions on environmental issues.

Answer 21

lobbying