Page 82 - Science class 4

Updating Yourself
Updating Yourself
Updating Yourself
Updating YourselfUpdating Yourself
Updating Yourself
Updating Yourself
Updating Yourself
Updating Yourself
Updating Yourself
Updating YourselfUpdating Yourself
¤ Milky Way is our galaxy which is spiral in shape.
¤ The Russian astronaut, Yuri Gagarin, was the first man to orbit the
Earth in a spacecraft.
Scientific Terms
Explosion : a sudden bursting
Forecasting : predicting
Galaxy : the Milky Way in the sky
Launch : to start
Wanderer : who moves without a definite destination
(a planet is called a wanderer yet it has a definite path)

Chapter at a Glance
³ Universe is the everything that exists.

³ The Sun, the Earth and the stars, all are the part of universe.
³ Group of stars are called constellations.

³ The Sun and the eight planets which revolve round it, together form the solar
system.
³ Planets revolve round the Sun in their own orbits but in the same direction.

³ Mercury is the nearest and Neptune is the farthest planet from the Sun. The
Earth is the third nearest planet to the Sun.

³ Artificial satellites are used for weather forecasting, education, communication,
transmission of television programmes and for various other purposes.

Review and Assesseview and Assesseview and Assess
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Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
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(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
You And Your Text
You And Your Text
Fill in the blanks with the correct word :
morning star orbit Sun Sputnik-I constellations
1. ______________ was the first artificial satellite launched by man.
2. Groups of stars are called ______________ .