SCIENCE 2006
The property of a rock that makes it different from water is that it has
A plane mirror can be described as opaque because it
Wood is used to make the handles of cooking utensils because it is a
Ventilation holes are made at the upper part of a door to allow air to rise by
When the north poles of two magnets are brought together they
A fuse is used in an electrical circuit to
The angle between an incident ray and a reflecting surface is 20°. Determine the angle of reflection.
A screw is a machine which works in the same way as
Power is defined as the rate at which
An example of a lever in which the effort is applied at the middle is a
A simpler way of maintaining the efficiency of a machine is by
The part of a seed which grows to become the shoot of a plant is the
One disease that affects the nervous system of humans is
Which of the following life processes leads to the release of energy?
Mineral salts in dead organisms are released into the soil by a process called
Spectacles fitted with concave lenses are worn by people suffering from
Which of these organs in humans releases carbon dioxide as a waste product?
Farmers do not plant the stems of maize because the stems
Which of the following ways of treating water makes the water soft?
Water that needs a small amount of soap to form lather is described as
Common salt (sodium chloride) is obtained from seawater by
The chemical formula of a compound describes the
Which of the following solvents can be used to remove grease from the hand?
How many different elements are present in the compound H2SO4?
Producers in an ecosystem are plants that
The disease caused by the Plasmodium parasite is
Vaccination is carried out to
Which of the following farming practices is likely to make the soil poor in nutrients?
The type of cloud found closest to the earth’s surface is
The amount of water vapour in the atmosphere is called
The planet which is farthest away from the sun is
Which of the following gases is involved in the process of rusting?
A non-reactive metal can be identified from other metals because its surface is
The property to a metal that makes it possible for it to be drawn into a wire is called
The main reason why food is processed is to make it
The process by which kerosene rises up in the wick of a lantern is known as
Which of the following statements about friction is not true?
Arteries are blood vessels which carry
Which of the following structures is not involved in blood circulation?
A substance of mass 10 kg has a density of 2.0 kgm-3. Calculate its volume.