SUBJECT:� BASIC SCIENCE �� �� ��

CLASS:� JSS1

DATE:

TERM: 3RD TERM

REFERENCE

Precious seed BASIC SCIENCE FOR JUNIOR SECONDARY SCHOOLS BOOK 1

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WEEK NINE

SATELLITE�

MEANING OF STATELLITE�

Satellite is a body that orbits or moves round a planet e.g. the moon is a satellite of the earth�

Thus, the satellites or moons of the planet in our solar system are shown below�

�� PLANET�� �� �� NO OF SATELLITE�

�� Mercury�� None�

�� Venus�� None

�� Earth�� 1

�� Mass�� 2

�� Jupiter�� 12

�� Saturn �� 9

�� Uranus �� 5

�� Neptune �� 2

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NATURAL AND ARTIFICIAL SATELLITES

The moons that orbit the planets in solar system are natural satellite while artificial satellite are man made bodies, which were launched by various countries, and now orbiting the earth e.g.�

COUNTRY�� �� YEAR OF FIRST LAUNCH�� FIRST SATELLITE�

USSR�� 1957�� Sputnik 1

USA�� 1958�� Explorer 1

Australia �� 1964�� Blue streak�

France �� 1965�� Asterix

Japan�� 1970�� Osumi

China�� 1970�� Dong fang hang 1

United kingdom�� 1971�� Prospero X-3

India�� 1979�� Rohini 1�

Israel �� 1988�� Ofeg 1

Nigeria �� 2003�� SAT 1

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EVALUATION

Give the meaning of satellite and name two planets with their number of satellites�
State four examples of countries, year of first launch and the name of satellites launched by them.

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TYPES OF SATELLITE AND THEIR USES

ASTRONOMICAL SATELLITES: They are used for observation of distance plants, galaxies and other outer space objects.
BIO SATELLITE:These are used to carry living organism especially for scientific experimentation.�
OBSERVATION SATELLITE: They are used for geographical studies, photographing of areas, map marking.�

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WEATHER SATELLITES: These are used to monitor the weather conditions in the atmosphere and supply the information to ground stations.

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COMMUNICATION SATELLITE:They are designed purposely to send information quickly from one place to another.�
RECONNAISSANCE SATELLITES: They are used for military or intelligence purposes, such as observing enemy location or troop movements.�
SPACE STATION SATELLITES: They are designed for human being to live on in outer space. They are only designed for periods of weeks, mouths or years.
NAVIGATIONAL SATELLITES: These used radio time signals, it enables mobile receivers on the ground to determine their exact location.�

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EVALUATION

What is reconnaissance satellite?
Give four examples of satellite and their uses.

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READING ASSIGNMENT

Precious seed BASIC SCIENCE FOR JUNIOR SECONDARY SCHOOLS BOOK 1 page 181-189
Nigerian Basic Science Project pg 105-108.

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GENERAL EVALUATION�

Give the meaning of satellite and name two planets with their number of satellites.�
State four examples of countries, year of first launch and the name of satellites launched by them.
What is reconnaissance satellite?
Give four examples of satellite and their uses.
Explain the term satellite and distinguish between natural and artificial satellites.�

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WEEKEND ASSIGNMENT

_______ is a body that moves round the planet A.� Earth B.� Sun C. Satellite D. Stars.
One of the following has the highest number of satellite in the solar system�
earth B. Saturn C.� venues D.� Jupiter.�
The following are examples of planet except ____ A. moon B. earth C. mass�
Jupiter.
___ are used for monitoring the dry and wet season of a particular area�
Astronomical satellite B. Weather satellite C. Bio satellites D. Communication satellite.�
Sputnik 1 was launched in 1957 by USSR while SAT 1 was launched in ___ by ___ A. 1970, Japan B. 1958, USA C. 2003, Nigeria D. 1988. Israel.

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THEORY�

Explain the term satellite and distinguish between natural and artificial satellites.�
Explain how artificial satellites have improved whole world.

Lesson Notes By Weeks and Term - Junior Secondary School 1