The solar system


- The solar system comprises of the sun, eight planets, and other smaller bodies.

- The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune  (and Pluto was dropped from this list of planets and is now considered as a dwarf planet).

(For many years scientists thought there were nine planets orbiting around the sun)


Mercury is the planet that is closest to the sun while Neptune is the farthest from the sun.


The Sun is a very large star compared to the planets orbiting it.


Jupiter is the largest planet while Venus is the brightest.


All these planets go round the sun.


Venus is also referred to as the evening star and can be spotted in the evening in the sky.


Saturn has a ring around it.


KCPE Topical Questions

Standard 6

Solar System

1. A rocket was launched from earth the planet Jupiter. Which one of the following planets was it likely to pass on its way?

A. Mars      B. Saturn       C. Neptune       D. Venus


2. The diagram below represents the first four planets nearest to the sun.

The planets labeled P, Qand are





A.  Mars




B.  Earth




C.  Mercury   




D.  Venus





3. A ball and a source of light are used to demonstrate how day and night are caused. Which one of the following should NOT be done? The

A. The ball should be rotated
B. Ball should be tilted on the axis
C. Source of light should be rotated
D. The source of light should be fare from the ball.


4. The correct order of the planets listed below starting with one closest to the sun is

A. Uranus, Neptune, Saturn, Jupiter
B. Saturn, Uranus, Jupiter, Neptune
C. Neptune, Uranus, Jupiter, Saturn
D. Jupiter, Saturn, Uranus, Neptune

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