Page 195 - New Medley 3 Semester 2

one year.

e axis of the Earth Orbit

is tilted. e tilted Earth
axis and revolution

of the Earth cause

di erent seasons in Sun
a year. ese seasons

are summer, rainy, Revolution of the Earth around the Sun

autumn, winter and spring.

2 • Critical Thinking

Name the following.
1. e path on which the Earth travels around the sun.

2. e movement of the Earth around the sun.

AT ONE GO

 The sun, the moon and stars are heavenly bodies.
 Stars are very large and extremely hot bodies. They twinkle at night.

 The sun is the nearest star to the Earth.
 Groups of stars that form some fixed patterns are called constellations.

 The moon is a natural satellite of the Earth.
 The Earth is the only planet having life on it.
 The sun, planets and their moons together form the solar system.

 The Earth has two movements — Rotation and Revolution.
 The rotation of the Earth causes day and night while revolution causes change of seasons.

REMEMBER THESE TERMS

Heavenly bodies : Natural objects found in the sky
Revolve : To move around
Crater : Big cup-like hollow

Satellite : A body that revolves around a planet
Stationary : Still or not moving

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