Name ________________________!
Period ____________
Lab # _____
Insolation
1. How do the two maps of insolation compare to each other?
2. The hemisphere getting the most energy is the one experiencing summer.
Which hemisphere is experiencing summer in January? Which hemisphere is
experiencing summer in July?
3. Why is the insolation for January and July nearly opposite of each other ?
Worksheet 3
The Reasons for Seasons
Name
Visualizations of Land Mass Distribution and Seasonal Temperature Change
Directions:
4. Notice that the
two hemispheres do not get equal amounts of energy. During
The top visualization is of seasonal surface temperature difference, or, the bottom drawing minus the top drawing
in
worksheet
Color in
the color bar and the
Seasonal Temperature Change
using theenergy?
colors indicated.What season
which month
does#2.the
northern
hemisphere
get visualization
the most
The bottom visualization shows land versus water on the earth and seasonal temperature cycles.
is it?
Seasonal
Temperature
Change
White
Dark red
Dark red
During which month does the southern hemisphere get the most energy? What
season is it?
Light red
Light red
Light red
Tropic of Cancer
Light red
White
White
Are they the same?
Equator
White
White
Tropic of Capricorn
Light
blue
5. Why do you think that the different hemispheres get different amounts of
energy during the same time of year?
Light
blue
Dark blue
White
Light
blue
Light
blue
Light
blue
6. Using the graphs below, why do the hemispheres
experience differences in
-5
5
20
-50
-20
50
Seasonal
temperatureTemperature
ranges for the same season?
Dark blue
Dark blue
Change (C)
Light blue
White
Light red
Average Surface Temperature
by Hemisphere Throughout the Year
Area of Land and
Water by Hemisphere
Area:
Dark red
Northern
Hemisphere
Southern
Hemisphere
Average
Temperature (C)
Million (Km2)
250
20
200
18
Water
150
Water
16
14
100
12
Land
10
50
Land
8
North
South
JAN
FEB MAR APR MAY JUN
JUL
AUG SEP OCT NOV DEC
Worksheet 1 The Reasons for Seasons
Name ________________________!
Name
Period ____________
Lab # _____
Visualization of Incoming Solar Energy for January and July
Directions:
Color in the incoming solar energy bar and the visualizations for incoming solar energy for January
and July. Use the color indicated and color in between the bold lines.
Incoming
Solar Energy
January
Purple
Dark blue
Light blue
Dark green
Light green
Yellow
Tropic of Cancer
Orange
Pink
Equator
Light red
Tropic of Capricorn
Dark red
Incoming Solar Energy
Units: Watts/meter sq.
0
50
Purple
100
Dark
blue
150
Light
blue
Dark
green
Dark red
Incoming
Solar Energy
July
Light red
Dark red
Tropic of Cancer
Light red
Equator
Pink
Orange
Tropic of Capricorn
Yellow
Light green
Dark green
Light blue
Dark blue
Purple
200
Light
green
250
Yellow
300
Orange
350
400
Pink
450
Light
red
500
Dark
red