Question 1
- State four reasons why its important to study geography
- Mention branches of geography
Answer
-
-It helps develop skills e.g observation
- It enables learners to understand/appreciate different environmental influences
- - It helps learners to appreciate important social valves
- It encourages international awareness/cooperation -
- Human geography
- Physical geography
Question 2
- Describe the solar system
- State the characteristics of the sun
- The local time at station x 600w is 11.30a.m what is the time a
- With aid of well labeled diagram describe the occurrence of solar eclipse
Answer
- - It is the sun, planets and other celestial bodies held together by the Forces of gravity.
-
- It radiates solar energy which enables life on earth.
- It’s made up of hot gases/gases at very high temperatures
- It provides light which other heavenly bodies reflect
-
- It occurs when the moon lies between the earth and the sun. when the sun are
blocked by the moon form reaching earth’s surface.
- The shadow of the moon is cast on the earth’s surface
- The shadow is the solar eclipse
- The shadow has two parts
- The umbra and penumbra
- The umbra shadow causes total solar eclipse
- The penumbra causes partial solar eclipse
Question 3
- Name the layers of the atmosphere
- State the characteristics of the troposphere
Answer
-
- Troposphere
- Stratosphere
- Thermosphere/ionosphere -
- Temperature decrease with increase in height/normal lapse rate
- Pressure falls with increase in height
- The speed of wind increases with increase in height
Question 4
- Name three forms of precipitation that commonly occur in Kenya
- What’s Stevenson’s Screen
- Mention instruments found in the stevenson’s screen
Answer
-
- Rain
- Hail
- Dew - It’s a white wooden box in which meteorological instruments are kept at a weather station
-
- Maximum thermometer
- Minimum thermometer
- Six's thermometer
Question 5
- Apart from water vapour, name other three substances that are suspended in the atmosphere
- Give two factors that are considered when classifying clouds
- State four proofs that the earth is Spherical
Answer
-
- Dust particles
- Pollen grains
- Smoke -
- Height
- Shape/form
- Appearance (colour) -
- Circumnavigation of the earth along a straight path leads one to the starting point from the opposite direction.
- Shape/form
- Appearance (colour)