geography essentials part 2

Question 1

Physical processes operating on the earths surface are powered by incoming radiation from the ___

Answer 1

sun

Question 2

incoming solar radiation=

Answer 2

insolation

Question 3

quantity of insolation is governed by a complex relationship that depends on

Answer 3

latitude,
posistion of the sun in the sky
time of year
the nature of the earths rotation and axial tilt

Question 4

solar system

Answer 4

eight official planets and one star in the middle called the sun

Question 5

Earths orbit is the perfect distance from the sun to support life

Answer 5

Neither to hot nor to cold

Question 6

terrestrial planets

Answer 6

smaller planets compose of solid materials

Question 7

jovian planets

Answer 7

the larger composed of gases

Question 8

earths orbit around the sun is presently _________ a closed oval path

Answer 8

eliptical

Question 9

plane of earths orbit about the sun is called the

Answer 9

plane of the ecliptic

Question 10

point where earth is farthest from the sun, (july at the present time) 152 million km

Answer 10

aphelion

Question 11

point where the earth is closest to the sun; (january at the present time) 147 million km

Answer 11

perihelion

Question 12

earth rotates on its

Answer 12

axis (an imaginary line extending through the centre of the earth from the north pole to the south pole)

Question 13

1 full rotation of earth

Answer 13

24 hours

Question 14

1/2 of earth is always illuminated(day) and the other 1/2 is in shadow(night)

Answer 14

true

Question 15

what represents the boundary between day and night

Answer 15

circle of illumination

Question 16

_____ time zones have been established based on the earths rotational cycle

Answer 16

24

Question 17

24 hours for a full rotation of ____ degrees

Answer 17

360

Question 18

360 degrees/24 hours =

Answer 18

15 degrees/1 hour

Question 19

there is 24 time zones - each zone covers ___ degrees; it takes earth 1 hour to rotate through that distance

Answer 19

15

Question 20

this system is known as

Answer 20

universal time coordinated

Question 21

In the UTC system, time is calculated relative to how many hours ahead or behind a particular location is relative to the

Answer 21

prime meridian

Question 22

______________________________marks the beginning and end of each calendar day

Answer 22

international date line

Question 23

assymetrical time zones are the result of _______

Answer 23

politics

Question 24

____ time zones distributed across Canada

Answer 24

six

Question 25

winter and summer differences in zone boundaries reflect.

Answer 25

adjustments for daylight saving times

Question 26

solar energy is __________ _______ IE radiant light from the sun

Answer 26

radiant energy

Question 27

solar energy is generated by the nuclear fusion reaction process in which pairs of hydrogen nuclei are joined, forming helium, and emit a _____ amount of ______

Answer 27

large; energy

Question 28

the flux radiant energy to or from a surface is measured in units of watts per square metre (W/m^2)

Question 29

________ __________ is a flux of electrically charged particles and takes about three days to reach earth

Answer 29

solar wind

Question 30

the __________________ of earth deflects the sollar wind toward both of earths poles and only a small portion of it enters the upper atmosphere

Answer 30

magnetosphere

Question 31

sunspots and ______________ ____________ __________________ also contribute to the flow of materials in the solar wind

Answer 31

coronal mass ejections CME's

Question 32

sunspots and CME's cause _________ in the upper atmosphere

Answer 32

auroras

Question 33

__________ are caused by magnetic storms on the sun, they are more than 12 times earths diametre

Answer 33

sunspots

Question 34

the temperature of a sunspot is ____ than the temperatures of their surroundings

Answer 34

less than

Question 35

CME's occur around the margins of

Answer 35

sunspots

Question 36

sunspots have an activity cycle of __ years

Answer 36

11

Question 37

the shape of the earth

Answer 37

Oblate spheroid: a near-perfect sphere

Question 38

there is a bulge at the equator and the earth is _______ at the poles

Answer 38

flattened, there is about 42 miles difference in the circumfernce at the equator and the poles, with the poles being the shorter distance

Question 39

What is the shape of earths orbit around the sun and how do the terms aphelion and perhilion apply

Answer 39

eliptical, aphelion is farhtest from the sun (january), and perihelion is closest to the sun (july)

Question 40

define the concept of the subsolar point and how it relates to the angle of incodence. describe why it moves on a seasonal basis. what are the four important dates in this movement and how do they relate to latitude

Question 41

winnipeg manitoba and regina saskatchewan are both located in the central time zone. which of these two cities is first to experience sunrise

Answer 41

winnipeg, it is further to the east, and the sun rises in the east meaning it will see sunrise before regina