Stabroek News Sunday

SCIENCE PAPER 1

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READ THE FOLLOWING INSTRUCTIO­NS CAREFULLY BEFORE YOU ATTEMPT TO ANSWER THE QUESTIONS.

1. This paper consists of 40 questions. You have 1 hour and 10 minutes to answer ALL the questions.

2. Each question has four possible answers: A, B, C or D. Read each question carefully then choose the correct answer. Only one of the answers is correct.

3. On the Answer Sheet at the end of this paper, shade the circle with the letter (A, B, C, or D) next to the answer that you have chosen.

4. If you want to change your answer, erase it completely before you fill in your new choice.

5. When you are told to begin, work as quickly and as carefully as possible.

6. If you find that you cannot answer a question, leave it and go on to the next one. You may return to the question late

1. The Sun is really a

A. moon. C. satellite.

B. planet. D. star.

2. The planet which is farthest away from the Sun is

A. Earth. B. Jupiter.

C. Neptune. C. Mercury.

3. As far as is known, we can find water, oxygen, plants and animals only on this planet:

A. Earth B. Jupiter

C. Mars D. Venus

4. This movement is responsibl­e for day and night.

A. Revolution B. Rotation

C. Tilting D. Positionin­g

5. Which statement about the Moon is false?

A. It takes about 365 days for the Moon to orbit the Earth.

B. The Moon seems to change shape if you look at it on different nights.

C. We can only see parts of the Moon that reflect light from the Sun.

D. The same side of the Moon always faces the Earth.

6. A clinical thermomete­r measures

A. temperatur­e. B. time.

C. weight. D. height.

7. The liquid used in a thermomete­r like the one above is

A. water. B. oil.

C. gasoline. D. mercury.

8. Pamela’s temperatur­e is indicated on the thermomete­r above. This tells that she may

A. have a high fever.

B. be as cold as ice.

C. be feeling fine, normal.

D. need to seek medical attention.

9. The above can be measured by which list of the following instrument­s?

A. clock, timer, scale

B. measuring cylinder, scale, ruler

C. ruler, timer, scale

D. measuring cylinder, ruler, timer

10. If Anand is given a mixture of salt and water, how can he get back the salt?

A. Evaporatio­n B. Filtration

C. Settling D. Sieving

11. These are all reasons why animals move except

A. because they have to find their own food.

B. because they have to develop externally.

C. because they have to escape from enemies.

D. because they have to respond quickly to danger.

12. Peter was looking to find a worm on a leaf. This took him some time because

A. the worm was moving.

B. the worm blended in with the environmen­t.

C. it was a rainy day.

D. it was a sunny day.

13. What is the ability or power to do work? A. Motion B. Energy C. Force D. Gravity

14. What is the type of energy present in leaves?

A. Light B. Chemical

C. Mechanical D. Heat

15. What energy is present in a moving object?

A. Nuclear B. Chemical

C. Potential D. Kinetic

16. What type of animal spends its entire life under water, has fins and breathes using gills?

A. Amphibians B. Birds

C. Fishes D. Reptiles

17. Which animal doesn’t belong?

A. Shark B. Whale

C. Dolphin D. Walrus

18. Animals such as the cow, sheep, goat, zebra and horse eat plants. They are called

A. scavengers. B. herbivores.

C. omnivores. D. carnivores.

19. COVID-19 is a disease caused by

A. bacteria. B. fungi.

C. viruses. D. protozoa.

20. These are all symptoms of COVID-19 except

A. constant cough and sore throat.

B. tiredness and high fever for a few days.

C. a bright smiling face.

D. loss of smell and taste.

21. In which part of the magnet are the forces strongest?

A. At both ends

B. In the centre

C. At the north pole

D. At the south pole

22. A boy sits on a grassy slope. What force stops him from sliding down?

A. Friction C. Gravity

B. Magnetic force D. Motion

23. What is the function of our skeleton?

A. To provide shape and support

B. To enable movement

C. To protect your organs

D. All of the above

24. An adult skeleton is made up of about _____ bones of different shapes and sizes.

A. 225 C. 300

B. 175 D. 206

25. A/An _______ is a place where two bones come together.

A. joint C. angle

B. corner D. edge

26. Study each table below. Which of these is incorrectl­y matched?

27. What is the process in which leaves use light to make food for the plant?

A. Respiratio­n C. Germinatio­n

B. Photosynth­esis D. Fertilizat­ion

28. What is the role of the flower?

A. To smell good

B. To look pretty

C. To make seeds

D. To make food for the plant

29. Which process in the plant occurs first?

A. Pollinatio­n B. Germinatio­n

C. Fertilizat­ion C. Dispersal

30. A food web is

A. a web made out of food.

B. a spider’s eating habit.

C. interlappi­ng food chains.

D. a food chain.

31. What do the arrows show in a food chain picture?

A. They always point to the smallest

B. They always point to the producers

C. They point to the animal that tastes best

D. They point in the direction that energy is flowing

32. Which food chain is in the correct order?

A. Cat, grass, bird, snail

B. Grass, snail, bird, cat

C. Bird, snail, grass, cat

D. Grass, cat, bird, snail

33. Which group from the following list of items contains only items that are good for a compost heap?

A. Plantain skin, plastic bag, mango seed, knife blade

B. Rotting yam, plantain skin, coconut husk, mango seed

C. Glass bottle, coconut husk, computer parts, rotting yam

D. Plastic bag, knife blade, glass bottle, computer parts

34. What describes a change that takes place when a chocolate bar melts?

A. A solid becomes a gas

B. A liquid becomes a gas

C. A solid becomes a liquid

D. A liquid becomes a solid

35. The diagram below shows the arrangemen­t of four bars of magnets, each with a pole labelled as W, X, Y or Z.

A. (1) C. (3) B. (2) D. (4)

36. Three thumbtacks, T, U and V, are held onto an iron rod by some wax. The metal rod is then heated up by placing a candle at the position indicated by an arrow as shown below. Arrange the order in which the thumbtacks will drop, beginning with the thumbtack that will drop first.

37. The drawing below shows a rubber tyre.

Why are there deep treads on the tyre?

This is because the deep treads

A. increase the stopping distance of the car.

B. reduce the amount of material used.

C. enable the tyre to move smoothly.

D. increase friction.

38. Which of the following is not an example of forces at work in nature?

A. Volcanoes erupting

B. Fireworks exploding in the sky

C. Windmills spinning in the wind

D. A waterfall going over a mountain cliff 39. Which type of motion is shown by a swinging pendulum?

A. Rotation

B. Oscillatio­n

C. Translatio­n

D. Tension

40. Mary Ann often feels tired. Which food nutrient would you recommend to her to help to boost her energy?

A. Carbohydra­tes C. Fats and oils

B. Proteins D. Minerals

 ?? ?? Look at the word cloud then answer question 9.
Look at the word cloud then answer question 9.
 ?? ?? Study the diagram below then answer questions 6 to 8.
Study the diagram below then answer questions 6 to 8.
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 ?? ?? A. V, U, T C. U, V, T
B. T, U, V D. V, T, U
A. V, U, T C. U, V, T B. T, U, V D. V, T, U
 ?? ?? Which of the following shows poles W, X, Y and Z correctly?
Which of the following shows poles W, X, Y and Z correctly?

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