1. The Seasons
one
two
three
four
THE SEASONS

2. Earth’s Revolution around the Sun
How long does it take for the Earth
to revolve around the Sun?
Earth’s Revolution around the Sun
It takes 365 days.

3. The Equator What is the equator and what does it separate?
Northern Hemisphere
Southern Hemisphere
The equator is an imaginary line about the centre of the Earth,
separating the Northern and Southern Hemisphere.

4. What Causes Seasons? Part 1
The Earth's axis is tilted and this creates the different seasons.
The axis always points in the same direction.

5. What Causes Seasons? Part 2
In December…
What Causes Seasons? Part 2
Winter
Summer
The sun shines directly on the SOUTHERN Hemisphere (region is nearer to the sun).
Australia experiences summer.

6. What Causes Seasons? Part 3
In June…
What Causes Seasons? Part 3
Summer
Winter
The sun shines directly on the NORTHERN Hemisphere (region is nearer to the sun).
Countries like the United Kingdom and the USA experience summer.

7. What is the Solstice? What is the Solstice?
21st June
Summer in the Northern Hemisphere
21st December
Summer in the Southern Hemisphere
What is the Solstice?
The Solstice is a day in Summer where daytime is the longest and night time
is the shortest.
It happens twice a year.
WHY?

8. The Equinox is a day where the length of day and night is the same.
What is the Equinox?
21st September
21st March
What is the Equinox?
The Equinox is a day where the length of day and night is the same.
It occurs twice a year, when the Sun shines equally on both Hemispheres.

9. Do All Countries Experience the Four Seasons?

10. The Equator AT THE EQUATOR
There are no seasons because each day the Sun strikes at about the same angle.
Two conditions:
Hot and wet
Hot and dry
The equator gets about 12 hours of sunlight every day.
AT THE EQUATOR

11. The Poles AT THE POLES The Poles experience only two seasons:
summer
winter
In summer, when a pole is tilted towards the Sun, there is only daylight (night time is absent).
The Poles remain cool because they don’t get any direct sunlight.
In winter, when a pole is tilted away from the Sun, there is no daylight at all.
AT THE POLES

12. The End
THE SEASONS

13. WHEN DO THESE COUNTRIES EXPERIENCE SUMMER?
NEW
ZEALAND
MALAYSIA
FINLAND
The Seasons: Mini Quiz