CECA

Question 1

rotation

Answer 1

an object spinning on it’s axis

Question 2

revolution

Answer 2

an object moving around the other

Question 3

How many rotations does earth do in 365 1/4

Answer 3

1, it creates our year

Question 4

the suns rays are least direct near the _

Answer 4

poles

Question 5

the earth tilts

Answer 5

23 1/2 degrees

Question 6

The earths tilt causes

Answer 6

seasons

Question 7

summer solsist

Answer 7

June 21, longer days, more direct rays

Question 8

winter solsist

Answer 8

December 21, shorter days, less direct rays

Question 9

vernal equidox

Answer 9

march 21, 12 hours daylight, 12 hours of darkness

Question 10

autamal equidox

Answer 10

september 21, 12 hours of daylight, 12 hours of darkness

Question 11

precession causes

Answer 11

the earth to wobble on axis

Question 12

26,00 years from

Answer 12

Polaris to Vega and back

Question 13

force

Answer 13

a push or pull

Question 14

gravity

Answer 14

a force that attracts all objects toward each other

Question 15

the strength of the force of gravity depends on

Answer 15

. the masses of the objects 2. the distance between the objects

Question 16

mass

Answer 16

weight of an object

Question 17

weight

Answer 17

the force of gravity on an onject

Question 18

inertia

Answer 18

tendency of objects to resist change in motion

Question 19

half of the moon is illuminated

Answer 19

at all times

Question 20

inertia

Answer 20

tendency of objects to resist change in motion

Question 21

we only see one side of the moon because

Answer 21

it revolves at the same rate that it rotates

Question 22

the phase of the moon you see is caused by

Answer 22

the angle of the earth, moon, and sun

Question 23

left side of the moon

Answer 23

waning

Question 24

right side of the moon

Answer 24

waxing

Question 25

eclipse

Answer 25

when a moon or planet blocks the other from the sun causing a shadow

Question 26

solar eclipse

Answer 26

the moon casts a shadow on the earth

Question 27

lunar eclipse

Answer 27

the earth casts a shadow on the moon

Question 28

tides

Answer 28

the rise and fall of ocean water every 12.5 hoursish

Question 29

tides are caused by

Answer 29

the pull of the moon on different parts of the earth

Question 30

tides occur

Answer 30

about 2 times a day

Question 31

spring tides

Answer 31

the sun and the moon are lined up with the earth causing really high, high tides and really low, low tides.

Question 32

neep tides

Answer 32

the sun and the moon are pulling on the earth at a right angle to each other so there is not much difference between high and low tides

Question 33

craters

Answer 33

large depressions in the surface of the moon caused by fast objects hittion it.

Question 34

maria

Answer 34

(plural for mare) the dark more flat spots on the moon caused by large basalt (lava) floods after a meteor hit the moon

Question 35

regolith

Answer 35

a layer of gray crushed rock from many meteoroids hitting the moons surface

Question 36

highlands

Answer 36

mountain ranges on the moon

Question 37

moons changes

Answer 37

very little no atmosphere or liquid water means no weathering and erosion like the earth has. temp. ranges from -270 at night to 253 during day.

Question 38

moons origin

Answer 38

theia hit the earth and ejected material that joined together and made the moon

Question 39

what is air made up of

Answer 39

nitrogen 78% oxygen 21% other 1%

Question 40

ozone

Answer 40

protects us from u.v radiation

Question 41

atmosphere

Answer 41

a thin layer of mostly gases that provides us with gases to live and protection from harmful radiation and rocks in space

Question 42

why does air have pressure

Answer 42

because it has mass

Question 43

barometer

Answer 43

measures air pressure

Question 44

density formula

Answer 44

density = mass divided by volume

Question 45

layers of atmosphere

Answer 45

troposphere stratosphere mesosphere thermosphere

Question 46

pollutants

Answer 46

are the harmful substances in the air, water, and soil

Question 47

natural pollutants

Answer 47

forest fires, soil erosion, dust storms, wind carrying molds and pollen, and erupting volcanoes.

Question 48

man made pollutants

Answer 48

farming, construction, burning fossil fuels almost 1/2 of pollution comes from us

Question 49

dangerous gases

Answer 49

carbon monoxide, nitrogen oxides, sulfer oxides, sulfer oxides, ozone

Question 50

acid rain

Answer 50

nitrogen oxides and sulfer oxides combine with water in the air to form nitric acid and sulfer acid

Question 51

epa

Answer 51

environmental protection agency

Question 52

convection

Answer 52

heat rises because it is less dense than cool air the transfer of heat from/through motion of fluid

Question 53

conduction

Answer 53

transfer of heat through objects touvhing

Question 54

radiation

Answer 54

transfer of heat through space

Question 55

convetion currents

Answer 55

in the atmosphere transfer heat and moderate temp.

Question 56

climate classification

Answer 56

climates are classified by 2 major factors precipitation temp.

Question 57

occluded front

Answer 57

warm air mass is caught between 2 cold air masses and forced up and creates precipatation.

Question 58

cold front

Answer 58

cold air mass moving into a warmer air mass

Question 59

stationary front

Answer 59

a warm air mass slides past a cold air mass

Question 60

warm front

Answer 60

warm air mass moving into a cold air mass

Question 61

front

Answer 61

when 2 different air masses meet

Question 62

air mass

Answer 62

a huge body of air with similar temp. and moisture from the reigion they form over.