RAHA INTERNATIONAL SCHOOL
END OF FIRST TERM EXAMINATION
MARCH, 2023 ACADEMIC YEAR
CLASS: BASIC 6 SUBJECT: SCIENCE DURATION: 1 HOUR 30
MINUTES
NAME: …………………………………………………………………………………………
DATE: …………………………………………………………………………………………
SECTION A (30 MARKS)
Answer all questions.
For questions 1–30, circle an option to indicate your answer. If you change your
mind, put a line through the option horizontally and then circle another option.
Each question is worth 1 mark.
1. The diagram shows part of the cable from an electric kettle. Copper wire insulating
material. Why is there insulating material around the copper wire?
a) Copper wire does not look very nice.
b) Copper wire would not bend without insulating material.
c) Insulating material makes the cable safer to use.
2. Asher is holding some wet soil that is very sticky. When he squeezes the soil, he can see
his fingerprints on it. This soil is most likely to be a
a) chalky soil.
b) clay soil.
c) sandy soil.
3. The lion is a carnivore because it eats
a) Flesh
b) Grass
c) Fruits
4. Which of the following source(s) of energy is/are renewable?
I. Solar
II. Crude oil
III. Wind
a) I only
b) I and II only
c) I and III only
5. Bacteria and viruses are types of
a) chemical.
b) disease.
c) microorganism
6. The picture shows some yeast. What kind of organism is yeast?
a) a bacterium
b) a dead plant
c) a fungus
7. Living things remove their waste. This life process is called
A. dispersal.
B. disposal.
C. excretion.
8. Which part of a plant takes up water from the soil?
a) leaf
b) petal
c) root
9. Michael is exploring electrical circuits. Here is the circuit he makes. The lamps are very
dim. What can he do to make the lamps brighter?
a) add another cell
b) add another lamp
c) add a switch
10. Organisms have special characteristics to survive in their habitat. What is this called?
a) adaptation
b) migration
c) survival
11. Which statement describes a habitat?
a) a community of animals and plants together with where they live
b) all the different organisms that live together in one place
c) the place where an organism lives.
12. At the start of a food chain, there is always a
a) carnivore.
b) herbivore.
c) producer.
13. Some substances are described as being addictive. An addictive substance is one that
a) improves a person’s health.
b) is added to food.
c) a person may become dependent on.
14. How can water vapour in the air return to Earth?
a) it evaporates and is blown by the wind
b) it evaporates and forms clouds
c) it condenses then precipitates
15. Decomposers can be useful or harmful. The list below shows four statements about
decomposers
1. They cause disease.
2. They are used to making bread.
3. They break down dead leaves.
4. They spoil food we want to eat.
Which two statements show decomposers being useful?
a) 1 and 2
b) 2 and 3
c) 3 and 4
16. Which is the best description of the term prey? It is an animal that
a) is always a carnivore.
b) is hunted and killed by other animals.
c) kills and eats other animals.
17.Lions eat antelopes. Antelopes eat plants. A lion is eating an antelope. Which of
these statements correctly describes what is happening when a lion eats an antelope?
a) carnivore is eating its prey
b) herbivore is eating its prey
c) predator is eating a carnivore
18. Identify the characteristic that both the fish and pond weed have in common.
a) breathe
b) eat
c) grow
19. What are the units of energy?
a) Amps
b) joules
c) newtons
20. The diagram shows a food chain for a pond. If a fisherman catches all the pike in the
pond, which of the following would increase?
a) tadpoles only
b) perch only
c) perch and tadpoles
21. Which planet is nearest to the Sun?
a) Jupiter
b) Mars
c) Mercury
22. Which statement is true for all liquids?
a) They are all colourless
b) They are all mixtures
c) They all flow and take the shape of their container
23. Which one of the following is NOT present in urine?
a) Water
b) Salivary amylase
c) Salts
24. The two main functions of sweat are
a) to keep the body cool and to remove excess proteins
b) to filter the blood and to remove waste products
c) to remove waste products and to cool the body
25. In what part of the body is the waste filtered from the blood?
a) Liver
b) Intestine
c) Kidneys
26. Apart from excretion, select another function of the skin from the following list:
a) To regulate heat in the body
b) To protect delicate organs
c) To give the body shape
27. The largest organ in the human body is
a) the skin
b) the brain
c) the lungs
28. Which one of the following substances is NOT excreted by the human body?
a) Urea
b) Salt
c) Saliva
29. Which one of the following set of waste products is excreted by the lungs?
a) Carbon dioxide & oxygen
b) Oxygen & water vapour
c) Carbon dioxide & water vapour
30. Through what organs do humans excrete salts?
a) Kidneys, lungs and skin
b) Kidneys and lungs
c) Kidneys and skin
SECTION B (70 MARKS)
Answer all questions.
1. The animal shown in the photograph is a snowshoe hare.
It lives in places where there is a lot of snow. Snowshoe hares eat plants. Snowshoe hares are
the prey of big wild cats called lynx.
(a) What is the scientific term for the place where animals and plants live?
______________________________________________________________________
________
2 marks
(b) In the space below, draw a food chain for the snowshoe hare, the plants and the lynx.
2 marks
(c) Explain three different ways in which the snowshoe hare is adapted to survive. Use only the
information in the question and features you can see in the photograph to help you.
1_____________________________________________________________________
______________________________________________________________________
________________2_____________________________________________________
______________________________________________________________________
________________________________
3_____________________________________________________________________
________
______________________________________________________________________
________
6 marks
(d)Look at the food chain.
(I) How many consumers are there in this food chain?
______________________________________________________________________
_
2 marks
(II) How many predators are there in this food chain?
______________________________________________________________________
_
2 marks
(III) How many prey are there in this food chain?
______________________________________________________________________
_
2 marks
2. Hallel finds an electric circuit diagram in a book.
(a) Label the circuit diagram.
6 marks
(b) How will you increase the brightness of the bulb?
______________________________________________________________________
_______
2 marks
(c) Ben makes a series circuit using two identical cells, a bulb and a switch to turn the bulb
on and off.
(I) Draw a circuit diagram of Ben’s circuit. Use the correct symbols. The cells have been drawn
for you.
2 marks
(II)Which part of the circuit supplies the energy?
______________________________________________________________________
2 marks
(III) Ben adds another identical bulb to the circuit in series. How does the brightness of the first
bulb change?
______________________________________________________________________________
______________________________________________________________________________
2 marks
(d)The drawing shows Jed’s house. He uses three methods to generate electricity.
(I) Draw a straight line from each of the two methods below to the main energy resource used
to generate electricity. Draw only two lines.
4 marks
(II)The solar cells cannot work at night. Give the reason for this.
______________________________________________________________________
______________________________________________________________________
2 marks
(III) The wind turbine cannot generate electricity all the time. Give the reason for this.
______________________________________________________________________
______________________________________________________________________
2 marks
3. (a) What is excretion?
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
3 marks
(a) Highlight three reasons why sweating is important
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
6 marks
(b) Name three excretory organs and the products they excrete.
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
6 marks
(c) Apart from the excretory system, which other four human body systems do you
know. List them.
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
4. (a) What is an ecosystem.
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
3 marks
(b) Briefly explain the follow symbiotic relationships and provide one practical example
each in an ecosystem.
Mutualism_________________________________________________________
_________________________________________________________________
_________________________________________________________________
parasitisim_________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
commensalsm______________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
9 marks
(c) Outline five renewable sources of energy.
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
5 marks
