Season Cycles of the Earth

Question 1

Define Revolution:

Answer 1

The Earth takes one year to “revolve” around the sun. (annually)

Question 2

Define Rotation:

Answer 2

The Earth “rotates” on its axis daily

Question 3

Define Declination:

Answer 3

The tilt the Earth sits on its axis. 23 degree

Question 4

Define seasons:

Answer 4

Seasons result from the yearly revolution of the Earth around the Sun and the tilt of the Earth’s axis relative to the plane of revolution

Question 5

Define Perihelion:

Answer 5

Perihelion-closest to Sun Jan. 3rd

Question 6

Define Aphelion:

Answer 6

Aphelion-farthest from Sun July 4th

Question 7

Define Solar Altitude:

Answer 7

Sun’s height above the horizon

Question 8

What season is experienced when, Vertical Sun is at the Tropic of Cancer.

Answer 8

summer solstice

Question 9

What season is experienced when, Vertical Sun is at the Tropic of Capricorn.

Answer 9

Winter Solstice

Question 10

Which seasons are experienced when Vertical (90o) Sun is at the equator.

Answer 10

Fall and Spring

Question 11

Define seasons:

Answer 11

Seasons are the result of changing sun angle and length of daylight

Question 12

Receipt of solar radiation is the largest factor in _ _ of various regions.
(correlates to daylight hours)

Answer 12

temperature difference

Question 13

What direction is heat always always transferred?

Answer 13

from warmer to cooler

Question 14

What are the three forms of heat transfer?

Answer 14

Conduction
Convectiion
Radiation

Question 15

Define Conduction:

Answer 15

transfer is through molecular activity

Question 16

Define Convection:

Answer 16

transfer through mass movement within a substance

Question 17

Define Radiation:

Answer 17

transfers out from object

Question 18

What are the 4 governed laws of radiation?

Answer 18

1) All objects, at whatever temperature, emit radiation
2) Hotter objects radiate more total energy per unit area than do cooler objects
3) The hotter the radiating body, the shorter the wavelength of maximum radiation
4) Objects that are good absorbers of radiation are good emitters as well

Question 19

What are the three ways atmosphere effects solar radiation?

Answer 19

Reflection
Scattering
Absorption

Question 20

Define Global Distribution of Heat Flow:

Answer 20

Tropics receives more energy than poles and Heat is transported from tropics to polar regions