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ACADEMIC SESSION -2020-2021

CLASS V

Science

CHAPTER: THE MOON AND ECLIPSES

TOPIC:USES OF ARTIFICIAL SATELLITES

USES OF ARTIFICIAL SATELLITES

Artificial satellites help in communications,

weather forecasting and space exploration.

COMMUNICATION SATELLITES

Communication satellites are used to

transmit telephone conversations and T.V. programmes across the Earth.

They are helpful in sending messages

through a fax machine, using mobile phones and the internet.

They also help in the navigation of

aircrafts, ships and space crafts.

WEATHER SATELLITES

Weather satellites send information and

pictures of clouds, storms and ocean currents.

They are used to predict the weather. This

information is also used to warn people about storms, floods and forest fires. etc.

SCIENCE SATELLITES

Science satellites send information about

outer space. Astronomers study this data and get to know more things in space.

HOME WORK

(TO BE DONE IN THE NOTE BOOK)

Q.1. How are artificial satellites helpful to

us? Ans.

Artificial satellites help in communications,

weather forecasting and space exploration.

Communication satellites are used to

transmit telephone conversations and T.V. programmes, using mobile phones and the internet.

Weather satellites send information and

pictures of clouds, storms and ocean currents which helps to predict the weather.

Science satellites send information

about outer space.

PLEASE WATCH

https://youtu.be/aVQXkl1tzokquotesdbs_dbs17.pdfusesText_23