Sistem suria YEAR 4 - SKTKJPresentation Transcript
SCIENCE YEAR 4INVESTIGATING THE EARTH AND THE UNIVERSE
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THE SOLAR SYSTEMConsist of :1. The Sun2. 9 planets3. Natural satellites4. Asteroids
THE SUN• Is the center of the Solar System.• It is in the middle of the Solar System and there are 9 planet which revolve around it.• It is a star that able to give us light and warmth.
MERCURY 9 PLANETS VENUSSUN IN THE SOLAR SYSTEM EARTH MARS JUPITER SATURN URANUS NEPTUNE PLUTO
PLANET• Each planet revolves around the Sun in its own elliptical orbit.• The orbit ensures that the planets will not collide.• While revolving around the Sun, the planets also rotate on their axes.• All planets, except Venus and Uranus rotates anti-clockwise.• Venus rotates clockwise while Uranus rotates from top downwards (on its side).
• The nearest planet ( Mercury ) has the smallest orbit.• The furthest ( Pluto ) has the biggest orbit.• The rotation of the Earth in the west to east direction causes a) the formation of day and night b) the Sun rising in the east and setting in the west.
The Website…• http://masvanessa.tripod.com/sistemsuria.html• http://www.astronomes.com/m1_solaire/m100_main.html• http://www.sabah.edu.my/ptc026.wcdd/• http://www.geocities.com/CollegePark/Union/6728/bab23.html