Chapter 2 Flashcards

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1
Q

sun and the group of bodies that revolve around it

A

solar system

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2
Q

major bodies that orbit a star

A

planets

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3
Q

smaller objects that orbit a planet

A

moons

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4
Q

body whose great size attracts other objects through gravity

A

sun

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5
Q

type of energy that reaches earth as light an heat

A

solar energy

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6
Q

one complete spin of earth on its axis

A

rotation

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7
Q

one elliptical orbit of earth around the sun

A

revolution

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8
Q

smaller outer planet that has a rocky core

A

pluto

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9
Q

galaxy in which we live

A

milky way

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10
Q

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

A

mercury

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11
Q

7th planet, third largest planet

A

uranus

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12
Q

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

A

earth

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13
Q

includes all life forms, both plants and animals

A

biosphere

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14
Q

the envelope of gases that surrounds earth

A

atmosphere

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15
Q

all of earth water

A

hydrosphere

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16
Q

includes land and soil and the solid crust of the planet

A

lithosphere

17
Q

a group of different parts that interact to from a whole

A

system

18
Q

geographers divide systems into 4 major parts

A

earths 4 spheres

19
Q

where large amounts of ice are locked

A

glaciers in polar regions

20
Q

biological, chemical and physical conditions that interact and affect life

A

environment

21
Q

individuals and groups that influence government decisions on environment

A

lobbying