Revision Pack Science Form 1 + Form 2

8/12/2019 Revision Pack Science Form 1 + Form 2

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NAME: FORM:

REVISION PACK

SCIENCE

TIME:1 HOUR 30 MINUTES

Answer all the questions.

SECTION A; 40 QUESTIONS (40 MARKS)

1 Which of the following is a natural phenomenon ?

A Forest clearing

B Road accidents

C Earthquake

D Rubbish burning

2 Table 1 shows the measurements H,I and J and their measurement units.

Which of the following represents H, I and J ?

H I J

A Mass Time Length

B Volume Length Time

C Time Mass VolumeD Length Volume Mass

3 Diagram 2 shows the area of an irregular shape which is traced on a graph paper.

Diagram 2

Estimate the area of the shape.

A 28 cm

B 29 cm

C 30 cm

D 31 cm


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4 Which is the basic unit of living things ?

A Cytoplasm

B Cell membrane

C Nucleus

D Cell

5 Diagram 3 shows the cell organization in a human body

Diagram 3

Which of the following represents P and Q?

P Q

A Sperms Testis

B Brain Nerve

C Heart Blood vessel

D Muscle tissue Stomach

6 Diagram 4 shows four types of cells, K, L, M and N from the human body.

Which of the cells are involved in reproduction?

A K and L

B L and N

C K and M

D M and N

7 Which of the following is a unicellular animal?


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8.Which of the following represents the arrangement of gas particles ?

9 Diagram below shows the three states of matter

P and Q represent

P Q

A Carbon dioxide Sulphur

B Balloon Mercury

C Syrup Gold

D Petrol Helium

10

Which of the following causes petrol to act as described above?

A. It is heavier than waterB. It is denser than waterC. It reacts with waterD. It is less dense than water

11 Diagram shows a cube with each side measuring 5 cm and having a mass of 500 g.

Determine the density of the cube

A. 3 g/cm

B. 4 g/cm

C. 5 g/cm

D. 10 g/cm

Petrol floats on the surface of water


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12 Table states the densities of four substances, W, X, Y and Z.

Which of the following diagrams shows the correct positions of the four substances when placed in a container?

13 Which one of the following explains the importance of water?

A to carry nutrients to all cells in the body

B to produce energy during respiration

C as a habitat for earthworm

D to provide us with heat

14 Which one of the following does not explain the importance of air?

A For combustion

B For respiration

C For photosynthesis

D To generate electricity


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15 One spatula of iron filling and one spatula of sulphur powder are mixed together to form a mixture as shown

in the diagram above.

Choose the correct statement to describe the result.

A No new substance is formed

B The mixture turned black

C Heat is absorbed

D Heat is released

16 Which of the following statements is incorrect to describe the final result of the experiment?

A A black coloured substance is formed

B Iron filling and sulphur powder are chemically combined

C No new substance is formed

D The original properties are completely changed

17 Choose a mixture that can be separated by using the below method.

A Copper sulphide solution

B Sugar and water

C Salt and water

D Flour and water


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18

What do J, K and L represent in the figure above?

J K L

A Element Compound Mixture

B Compound Element Mixture

C Mixture Element Compound

D Mixture Compound Element

19 Petrol is a.

A compound

B element

C gas

D mixture

20 This gas makes up about 78% of the air . It is very useful for plants to grow well. The gas is .A oxygen

B nitrogenC carbon dioxide

D inert gases

21

The table above shows gases X and Y and their conditions during respiration in living things. What are

represented by gases X and Y?

X Y

A Oxygen Nitrogen

B Nitrogen Carbon dioxide

C Carbon dioxide Oxygen

D Oxygen Carbon dioxide


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22 Which of the following apparatus will show that oxygen is needed for respiration?

23 All the energy found on the Earth is derived from a central source. What is the central source?

A. The Earths rotation on its own axisB. The SunC. The Earths orbit around theSunD. The force of gravity

24 Which position have more potential energy?

A P B Q

C R D S

25 Among the following sources of energy, which is a renewable source of energy?

A PetroleumB Natural gas

C Coal

D Biomass


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26 Diagram shows gaps in railway lines. Why is this so?

A. To save cost and building materials.B. To allow the rails to expand on a hot day.C. To enable the train to move faster and smoother.D. To reduce the friction between the lines and the wheel of the train.

27 Diagram shows the condition of three bimetallic strips after being heated.

Which metal has the lowest expansion of rate?

A Metal J

B Metal K

C Metal L

D Metal J and L

28 Diagram shows a metal ball which cannot pass through the metal ring after being heated.

Which of the following had happened to the particles of the metal ball?

A The particles move slowly

B The number of the particles increases

C The size of the particles increasesD The space between the particles increases


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29 Diagram shows four cups of similar size but made from different materials. Each of the cups contains an

equal amount of milk at 70 C.

Which cup of milk would show the highest temperature after 15 minutes?A. P B. Q

C. R D. S

30 Why does a person with a cold find his food tasteless?

A He is too tired and sleepy.

B His medicine causes this side effect

C His sense of sight is affected by his cold

D His sense of smell is affected by his cold. The sense of smell helps the sense of taste.

31. The sensory receptors that are not present in the skin are theA Heat receptors

B Pressure receptors

C Touch receptors

D Sweat receptors

32 Which of the following parts of body is sensitive to touch?

A Knee

B Behind the ears

C Palm

D Buttocks


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33 The part labeled as P is the

A Nostril

B Mucous layer

C Nasal cavity

D Nerve

34. The mucous layer in the walls of the nasal cavity

A Contains the smell receptors

B Dissolves the chemicals that carry the smell

C Transmits the impulses to the brain

D Blocks the flow of air in the nasal cavity

35.

The above diagram shows areas of a human tongue. The area labelled with M is sensitive to

A salty

B sour

C sweet

D bitter


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36

Diagram above shows a cross section of the human ear. Which part labeled, W,X,Y and Z carries the function

to convert sound waves into vibrations

A. W

B. X

C. Y

D. Z

37. P, Q, R, S and T represent the routes taken by sound waves from the ear pinna to the inner ear. Arrange the

routes taken in the right sequence.


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Question 38 and 39 is based on the diagram below.

38 What is the part labelled N ?

A. Suspensory ligamentsB. Aqueous humourC. Vitreous humourD. Retina

39 The above diagram shows the cross section of the human eye. The function of the part labelled M is toA refract light.

B carry blood supply.

C convert light into electrical impulses.

D transport electrical impulses to the brain.

40

The above diagram shows the front part of the eye. What are the structures represented by X,Y and Z?

X Y Z

A Cornea Pupil Iris

B Pupil Iris Cornea

C Iris Cornea Pupil

D Cornea Iris Pupil


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SECTION B; Structured Question (60 Marks)

1. Figure 1 shows a system in the human body.

Figure 1

(a)(i) On Figure 1, label the organs P, Q and R using the following words:

(a)(ii) Name the system in Figure 1.

[ 1 mark]

(a)(iii) Tick () other organ that is in the above system.

Skin

Intestine

Liver [ 1 mark]


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(b) Draw straight lines to match each cell with its function

2. A student was given samples of microorganism as shown in Figure 2.

(a)Classify the all microorganisms in figure 2 based on the number of cell.


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[ 4 marks]

(b)Name one of the following microorganisms above.[ 1 marks]

3 (a) Figure 5.1 shows the front view of two balloons, S and T, which are balanced by metre rule. Balloon T is

slowly deflated by pricking the balloon with a pin through the cellophane tape

(i) Draw the position of these two balloons after two days in the box provided.

P, Q, U, V, S and T


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[ 2 marks]

(ii) Explain your drawing [1marks]

(iii) What is the conclusion of the activity ?....[1 mark](b)(i) The figure 6.1 shows the arrangement of particles in three states of matter. Which of the following is a

liquid? Tick () in the box provided.

[1 mark]

(b)(ii). Circle two of the words in the box below to show two examples of liquid.

(b)(iii). Draw lines to match each state of matter with its property


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(c)Figure 7.1 shows three similar small balls dropped into three liquids X, Y and Z, of different densities.

(c)(i) Arrange the liquids in ascending order of density.

[3 marks]

(c)(ii) Figure 7.2 shows the three liquids X, Y and Z placed in a measuring cylinder.Label the liquids in Figure 7.2 by referring to the order of their densities shown in Figure 7.1.


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Figure 7.2 [ 3 marks]

4. The diagram below shows three boiling tubes A, B and C which are left for two hours.

i. What is the aim of this experiment?[ 1 mark]

ii. State the variable that isa) Manipulated :b) Responding :.c) Constant : [ 3 marks]

iii. What is the function of apparatus C?.. . [1 mark]

iv. What will happen to the indicator in A?...........................................................................................................................................................................

[1 mark]


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v. Give your reason for the observation in (iv).

[1 mark ]

vi. What is the function of cotton soaked with sodium hydroxide solution?... .[1 mark]

vii. What conclusion can be made?...[ 1 mark]

viii. Predict the observation if the cockroach is replaced by boiled green beans...[1 mark]

5.(a) The following table shows the stimuli detected by the various sensory organs. Complete the table.

Senosry organ Stimulus

Nose

Chemical substances in food

Eye

Sound

Skin

[ 5 marks]

(b) The following diagram shows the cross section of the human skin is shown in the figure. Name the labelled

structures

[5 marks]


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6. Figure 8.1 shows the apparatus set up to study the relationship between the density and volume of three

objects P, Q and R. The mass of each object is 50 g.

(a)Record, in the boxes provided, the volume of water which has been displaced and collected in themeasuring cylinder. [ 3 marks]


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(b)Find the density of the three objects and complete Table 8.l

[ 2 marks]

(c) State the variables involved in this experiment.(i) Manipulated variable :(ii) Responding variable: (iii) Constant variable:..

[ 3 marks]

(d)Based on the results in Table 8.1, draw a bar chart to show the density of each object.

[ 2 marks]

Documents

Revision Pack Science Form 1 + Form 2