Integrated 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

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 o . 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 simple 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 sea water 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 H 2 SO 4 ?

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 of 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 to 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.