TERM 1

Question 1

position of Africa on long and lats

Answer 1

Africa lies between latitude 37ºN and 35ºS and on longitude 18ºW and 52ºE.

Question 2

4 african capes

Answer 2

Easterly point is called ras hafun(cape guardafui)
westerly is cape verde
northerly is cape bon
southerly is cape agulhas

Question 3

Size of africa

Answer 3

30.3 million km2

Question 4

Countries in Africa which greenwich passes

Answer 4

Ghana(Accra)
Algeria
Burkina faso
Mali

Question 4

what is rotation of Earth ?

Answer 4

This is movement of earth on its own axis

Question 4

countries in Africa which equator passes

Answer 4

Gabon
Congo
DR Congo
Uganda
Kenya
Somalia

Question 5

what are the effects of rotation of the Earth?

Answer 5

1Creates day and night because at any one time one side of the earth faces the sun (day) and the other remains in darkness (night).

2 Causes deflection of winds and ocean currents in the N hemisphere to the left and in the S hemisphere to the right.

3 It causes rising and falling of ocean tides.

4 Causes time difference between longitudes

Question 5

What is revolution ?

Answer 5

It is orbital rotation around the sun

Question 5

How many and what were the theories of evolution of the solar system

Answer 5

2
1. passing star
2. nebula cloud

Question 5

explain passing star theory

Answer 5

A star with a greater gravitational pull passed near the sun
It attracted large quantities of gaseous materials from the sun
The materials split, cooled and condensed to form planets
The planets were set in orbit by the passing star

Question 6

Explain nebular cloud theory

Answer 6

There was a slowly rotating cloud of dust and gas called Nebula
It cooled and began to contact
Rotation speed increased and successive rings of gaseous materials were formed.
The rings condensed to form planets
The central gaseous material remained as the sun

Question 7

How many planets in the solar system?

Answer 7

8

Question 8

planets in the solar system in order

Answer 8

My Very Easy Math Just Showed U Nine Planets
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
{Pluto}

Question 9

How can the shape of the earth be described?

Answer 9

The shape of the earth is called geoid/ovoid/oblate spheroid

Question 10

Effects of revolution of the Earth on Earth

Answer 10

Causes the four seasons summer, autumn, winter and spring.

Causes variation of day and night’s lengths .

Equinoxes have equal lengths of day and night.

Summers have longer days and shorter nights.

Winters have longer nights and shorter days.

Causes changes in the altitude of the midday sun .

Highest altitude during equinox

Lowest altitude during solstices

Causes lunar eclipse due to revolution bringing the earth in line with the sun and the moon.

Question 11

7 instrument for measuring elements of weather

Answer 11

thermometer
Hygrometer
Anemometer
Barometer
Wind vane
Windsock
Rain gauge

Question 12

What is an equinox?

Answer 12

Days with equal days and nights

Question 13

Diurnal / Daily temperatures ?

Answer 13

Diffrence between maximum and minimum

Question 13

2 types of sources for historical information

Answer 13

primary and secondary sources

Question 13

Factors to consider when setting up a weather station

Answer 13

1. Open soace
2. accesibility
3. Security
4. Gentle slopy land
5. Wide range of view
6. free from flooding

Question 14

Sources of historical information

Answer 14

Unwritten, Written, electronic sources

Question 15

Primary sources are?

Answer 15

Fristhand info
E.G Interviews, speeches, diaries and artefacts
They provide original info

Question 16

Secondary info is?

Answer 16

Information that was originaly colleccted by other people and stored.
E.G Textbooks, Journals, Newspapers, audio tapes , video tapes and films
They depend on info from other sources

Question 17

Name 4 stories explaining how man was created

Answer 17

Agikutu, Christian , Quuranic, Verdic

Question 18

Name the 9 daughters of Mumbi.

Answer 18

Wanjiru, Wanbui, Njeri, Wanjiku, Nyambura, Wairimu, Wangari and Wangui.

Question 18

Explain the Agikuyu creation story

Answer 18

The Agikuyu beleive in a supreme God called Ngai. The say he : Created the frist man
(Gikuyu) Then he mwas given rivers forests e.t.c . Ngai made a mountain called Kirinyaga to be his resting place as he admired his beautiful earth. Gikuyu was told to establish a homestead at ‘ Mukurwa wa Nyangathanga’ Place with mugumo trees he got a beautiful wife from ther and named her mumbi . They were blessed with nine beautiful daughters : Wanjiru, Wanbui, Njeri, Wanjiku, Nyambura, Wairimu, Wangari and Wangui.

Question 19

what is centripetal force

Answer 19

making a body move in a curved path