The Earth rotates on its axis, which passes through the North and South Poles, and revolves around the Sun. The equator divides the Earth into the Northern and Southern Hemispheres. Rotation causes day and night, while revolution results in the four seasons - spring, summer, autumn and winter.

1. The Earth
The Earth is the planet where we live. To study it, we use two
imaginary lines:
The axis crosses Earth through the centre and passes through the two
poles: the North Pole and the South Pole.
The equator divides Earth into two halves called the hemispheres: the
Northern Hemisphere and the Southern Hemisphere.
The Earth makes two types of movements: rotation (it rotates on its
axis) and revolution (it revolves or orbits around the Sun).
Thanks to rotation, we have day time and night time. Thanks to the
revolution, we have four different seasons: spring, summer, autumn
(fall) and winter.
Activities
1/ What are the two types of movements of the Earth?
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2/ Complete the chart:
IMAGINARY LINE DIVIDES THE EARTH INTO
Axis
Equator
3/ Look at the picture and answer the questions:
a. What’s the name of the movement?
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b. How many seasons do we have? What are their names?
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