GLOBAL MEDIASTREET SDN. BHD.
ii CONTENTS UNIT 6 MEASUREMENT Diagnostic Practice 43 Remedial Practice 45 Enrichment Practice 48 Summative Practice 50 UNIT 7 DENSITY Diagnostic Practice 51 Remedial Practice 53 Enrichment Practice 55 Summative Practice 56 UNIT 8 ACID AND ALKALI Diagnostic Practice 58 Remedial Practice 60 Enrichment Practice 63 Summative Practice 65 UNIT 9 THE SOLAR SYSTEM Diagnostic Practice 67 Remedial Practice 69 Enrichment Practice 72 Summative Practice 74 UNIT 10 MACHINE Diagnostic Practice 76 Remedial Practice 78 Enrichment Practice 80 Summative Practice 81 YEAR-END TEST 83 - 90 ANSWERS A1 - A6 UNIT 1 SCIENTIFIC SKILLS Diagnostic Practice 1 Remedial Practice 3 Enrichment Practice 6 Summative Practice 8 UNIT 2 SCIENCE ROOM RULES Diagnostic Practice 10 Remedial Practice 12 Enrichment Practice 14 Summative Practice 16 UNIT 3 HUMANS Diagnostic Practice 18 Remedial Practice 20 Enrichment Practice 23 Summative Practice 25 UNIT 4 ANIMALS Diagnostic Practice 27 Remedial Practice 29 Enrichment Practice 31 Summative Practice 33 UNIT 5 PLANTS Diagnostic Practice 35 Remedial Practice 37 Enrichment Practice 39 Summative Practice 41 Module MyDLP Science(Cont)Yr3.indd 2 30/11/2020 12:25 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 1 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 UNIT 1 SCIENTIFIC SKILLS DIAGNOSTIC PRACTICE A Answer the following questions. 1 The following diagram shows two types of plants. X Y (a) Identify plant X and Y. X: Y: (b) State the similarities of both plants. (c) State two differences between plant X and Y. X: Y: (d) What is the sense involved in identifying the plants in the diagram? (i) (ii) 8 Module MyDLP Science(U1)Yr3.indd 1 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 2 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 C State the science manipulative skills based on the diagram below. 3 B Predict what will happen based on the diagram below. 2 Module MyDLP Science(U1)Yr3.indd 2 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 3 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 REMEDIAL PRACTICE 3 s s s s s s A Write the measurement value for each diagram below. Diagram Measurement 1 ml 2 cm 3 paper clips B Match each diagram to the correct inference. 1 2 3 The plant moves towards light. The plant does not get enough basic needs. The plant gets enough basic needs. 3 Module MyDLP Science(U1)Yr3.indd 3 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 4 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 C Tick (3) the most likely prediction for each situation below. 1 2 3 3 (a) Firdaus will reach the finish line first. (b) Akmal will reach the finish line first. (a) The ice will melt. (b) The ice will not change its shape. Firdaus Akmal (a) The cat will sleep beside the plate. (b) The cat will eat the fish on the plate. Module MyDLP Science(U1)Yr3.indd 4 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 5 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 D Number the diagram below with the correct manipulative skills. 1 Used and handle science apparatus and materials correctly. 2 Handle specimens correctly and safely. 3 Store science apparatus and materials correctly and safely. 4 Sketch specimens, apparatus and science materials accurately. 5 Clean science apparatus properly. 5 Worms Module MyDLP Science(U1)Yr3.indd 5 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 6 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 A Classify the objects below correctly. ENRICHMENT PRACTICE 6 Module MyDLP Science(U1)Yr3.indd 6 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 7 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 B Write the inference for each situation below. 4 C Sketch the specimen and apparatus below. 4 Module MyDLP Science(U1)Yr3.indd 7 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 8 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 SUMMATIVE PRACTICE 6 Objective questions Circle the correct answers. 1 The following diagram shows a type of communication used by Amar. What is the type of communication shown? A Table C Writing B Oral D Graph 2 Which of the following is an observation activity? A C B D 3 What is the correct tool to measure the length of an object? A C B D 4 What is the correct action when handling a live specimen? A Don’t use gloves B Kill the specimen after the experiment C Release the specimen to its habitat D Use dangerous specimens 5 Separating a spoon and a fork into different containers is one of the science process skills. What is this process called? A Predicting B Measuring C Classifying D Making an inference 6 Which of the following is the correct action? A Throw rubbish into the sink B Store the test tube in the test tube rack C Put the measuring cylinder on an uneven surface D Leave long hair untied during an experiment Module MyDLP Science(U1)Yr3.indd 8 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 9 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 Subjective questions Answer the questions below. 1 Predict the condition of the rat after two weeks. 2 What will be the condition of the fresh fish if it is left on the table for a few hours? 3 The diagram below shows a plant that is tied up in a plastic bag. (a) Predict what will happen to the plant after a week. (b) Give your reason (inference). (c) What should be done to ensure the plant stays healthy? 10 Module MyDLP Science(U1)Yr3.indd 9 27/11/2020 4:40 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 10 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 UNIT 2 SCIENCE ROOM RULES DIAGNOSTIC PRACTICE A State the rules of the Science Room based on the diagrams below. 1 2 3 4 4 Module MyDLP Science(U2)Yr3.indd 10 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 11 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 B Write the word ‘Before’, ‘During’ or ‘After’ based on the situations below when using the Science Room. 1 Handle equipment, materials and specimens with care. 2 Line up outside the Science Room. 3 Clean up your work area. 4 Follow the teacher’s instructions when conducting experiments. 5 Open the windows and switch on the fan. 5 Module MyDLP Science(U2)Yr3.indd 11 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 12 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 A Fill in the blanks. 1 Ask the teacher’s permission before the Science Room. 2 back long hair neatly. 3 up the sink when class is over. when class is over. 4 Follow the teacher’s when doing when conducting an experiment. REMEDIAL PRACTICE 4 Module MyDLP Science(U2)Yr3.indd 12 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 13 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 3 B Tick (3) the actions that follow the rules of the Science Room. 1 2 3 4 5 6 Module MyDLP Science(U2)Yr3.indd 13 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 14 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 ENRICHMENT PRACTICE 6 A The diagram below shows two situations. P Q 1 (a) State the mistakes made by the pupils based on the diagram above. P: Q: (b) Explain why the above situation is prohibited in the Science Room. P: Q: 2 State another mistake that cannot be made in the Science Room. 3 Aminah was injured while conducting an experiment. State what her friend should do? Module MyDLP Science(U2)Yr3.indd 14 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 15 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 B Write the consequences based on the following actions in the multi-flow map below. Action Consequence 6 1 Playing around in the Science Room with friends. Not reporting any incidents to the teacher immediately. Eating and drinking in the Science Room. Science Room rules 2 3 Module MyDLP Science(U2)Yr3.indd 15 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 16 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 SUMMATIVE PRACTICE Objective questions Circle the correct answers. 1 What should pupils do before entering the Science Room? A Eat and drink outside the Science Room B Line up outside the Science Room C Enter the Science Room without teacher’s permission D Play around with your friends 2 Which of the situations does not follow the rules of the Science Room? A C B D 3 The diagram below shows a situation. What should you do if this situation occurs? 6 A Collect the broken glass B Run out of the Science Room C Inform the teacher immediately D Treat your friend by yourself 4 Which of the following is done after using the Science Room? A Wash test tubes in the sink B Follow the teacher’s instructions during class C Wear goggles when conducting an experiment D Ask the teacher’s permission to enter the Science Room 5 Which of the following is not the reason why we must follow the Science Room rules? A To avoid any accidents B To reduce teacher’s work C To prevent wastage of equipment and tools D To make the learning process smooth 6 Which of the following is a good example for others to follow? A Clean up work area after conducting an experiment B Do not tie back long hair C Bring bags into the Science Room D Bring equipment outside the Science Room Module MyDLP Science(U2)Yr3.indd 16 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) 17 U N I T 1 U N I T 2 U N I T 3 U N I T 4 U N I T 5 U N I T 6 Subjective questions Answer the questions below. 1 Do not . 2 Do not . 3 Report . 4 Switch off the . 8 Module MyDLP Science(U2)Yr3.indd 17 27/11/2020 4:48 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) A1 ANSWERS Unit 1 Scientific Skills DIAGNOSTIC PRACTICE A 1 (a) X: Rose plant Y: Mango tree (b) Have woody trunk (c) X: Plant X has thorns Y: Plant Y can bear fruit (d) (i) Sight (ii) Touch B The towel will dry C 1 Handling specimens correctly and safely 2 Cleaning science apparatus correctly 3 Storing sciences apparatus and substances correctly and safely REMEDIAL PRACTICE A 1 80 2 20 3 6 B 1 The plant does not get enough basic needs 2 The plant gets enough basic needs 3 The plant moves towards light C 1 (b) 2 (b) 3 (a) D 1 2 2 4 3 5 4 3 ENRICHMENT PRACTICE A B 1 Hand broken because of fall from tree/ accident 2 Tyre is punctured because it rolled over a nail C 1 2 SUMMATIVE PRACTICE Objective questions 1 C 2 A 3 C 4 C 5 C 6 B Subjective questions 1 The rat will die 2 The fish will rot / be smelly 3 (a) The plant will die (b) The plant does not get water and air (c) Expose it to the sunlight and water it every day Unit 2 Science Room Rules DIAGNOSTIC PRACTICE A 1 Line up outside the Science Room 2 Follow teacher’s instruction when carrying out an experiment 3 Switch off the fan after using the Science Room 4 Tidying the Science Room before left B 1 During 2 Before 3 After 4 During 5 Before REMEDIAL PRACTICE A 1 entering 2 Tie 3 Clean 4 instruction B 2, 3, 4, 6 ENRICHMENT PRACTICE A 1 (a) P: Writing and drawing on the Science Room table Q: Wearing slippers to enter the Science Room (b) P: The table will be damaged and look dirty Q: May get injured 2 Playing around in the Science Room 3 Report it to the teacher immediately B 1 Will cause injury 2 The injury will become worse 3 Will cause stomach-ache nail milk bottle watch pail coins basket Module MyDLP Science(Ans)Yr3.indd 1 27/11/2020 5:14 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) A2 as as SUMMATIVE PRACTICE Objective questions 1 B 2 B 3 C 4 A 5 B 6 A Subjective questions 1 write or draw on the Science Room table 2 run and play in the Science Room 3 any accident to the teacher immediately 4 fan and light before leaving the Science Room Unit 3 Humans DIAGNOSTIC PRACTICE A 1 (a) Canine tooth (b) To tear food 2 (a) Incisor tooth (b) To cut food 3 (a) Molar tooth (b) To crush and grind food B 1 Enamel 2 Gum 3 Blood vessels 4 Dentin 5 Nerve C 1 Rice / Bread / Potato 2 Meat / Egg / Soy bean 3 Butter / Oil 4 Vegetables / Fruits D 1 Mouth 2 Intestine 3 Oesophagus 4 Stomach 5 Anus REMEDIAL PRACTICE A 1 To cut food 2 To tear food 3 To grind food B 1 Carbohydrate 2 Protein 3 Vitamin 3 3 3 3 3 Herbivore Eating habit Relationship factor 1Carnivore 2 Omnivore C 1 energy 2 health 3 temperature 4 growth 5 heat ENRICHMENT PRACTICE A 1 (a) She likes eating sweets and chocolate (b) Yes, because the tooth is not a permanent tooth (c) The life span of permanent teeth is longer and the teeth are stronger. 2 Because toothpaste contains fluoride that can protect our teeth from decay B (Pupil’s answer) SUMMATIVE PRACTICE Objective questions 1 A 2 A 3 B 4 D 5 B 6 A Subjective questions A 1 (a) Incisor teeth − To cut food (b) Canine teeth − To tear food (c) Molar teeth − To grind and crush food 2 (a) Go for a dental check-up every six month (b) Have root treatment done (c) Brush teeth in the morning and at night Unit 4 Animals DIAGNOSTIC PRACTICE A 1 A 2 B 3 C 4 B 5 A 6 C 7 A 8 C 9 B B Carnivore: Tiger ; Eagle Herbivore: Cow ; Goat Omnivore: Duck ; Cat REMEDIAL PRACTICE A 1 Eats plants only 2 Eats animals and plant 3 Eats animals only B Module MyDLP Science(Ans)Yr3.indd 2 27/11/2020 5:14 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) A3 C 1 (c) 2 (b) 3 (a) ENRICHMENT PRACTICE A 1 (a) (i) Omnivore (ii) Herbivore (iii) Carnivore (b) (i) Canine teeth, incisors teeth and molar teeth (ii) Molar and incisors teeth (iii) Canine teeth (c) (i) Cat (ii) Rabbit (iii) Wolf 2 tearing; cutting; grinding and crushing B 1 There will not be enough oxygen 2 Plants will become extinct 3 Animals will compete against each other for food SUMMATIVE PRACTICE Objective questions 1 A 2 C 3 B 4 A 5 B 6 D Subjective questions 1 (a) Herbivore (b) Grass 2 (a) Carnivore (b) Deer; Rabbit 3 (a) Omnivore (b) Worm Unit 5 Plants DIAGNOSTIC PRACTICE A 1 Sucker 2 Seeds 3 Underground stem 4 Stem cutting 5 Leaves 6 Spores B 1 (a) Seeds (b) Rambutan tree 2 (a) Stem cutting (b) Sugarcane plant 3 (a) Suckers (b) Banana plant 4 (a) Underground stem (b) Onion plant 5 (a) Spore (b) Mushroom REMEDIAL PRACTICE A 1 Stem cutting 2 Leaves 3 Sucker 4 Seeds B 1 (b) 2 (d) 3 (e) 4 (c) 5 (a) ENRICHMENT PRACTICE A 1 By seeds 2 (a) To produce new plants (b) As a food source for humans, and animals 3 The source of food for humans and animals will become less and they will all die B 1 (a) Seeds and stem cutting (b) Stem cutting 2 Is a method for growing plant tissue under controlled conditions. Palm oil trees are one of the example of tissue culture SUMMATIVE PRACTICE Objective questions 1 C 2 D 3 A 4 C 5 B 6 B Subjective questions 1 Setawar 2 Banana 3 Potato 4 Papaya 5 Sugarcane 6 Fern Unit 6 Measurement DIAGNOSTIC PRACTICE A 1 Square centimetre (cm2 ), square metre (m2 ), square kilometre (km2 ) 2 Millilitre (ml), litre (l), cubic centimetre (cm3 ), cubic metre (m3 ) B P: 5 Q: 10 R: 6 S: 10 C 1 12 cm2 2 19 cm2 D 1 9 cm2 2 16 cm2 3 60 cm3 4 168 cm3 REMEDIAL PRACTICE A 1 Square centimetres (cm2 ) 2 square kilometres (km2 ) 3 cubic metres (m3 ) 4 litre (l) Module MyDLP Science(Ans)Yr3.indd 3 27/11/2020 5:14 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) A4 B 1 square kilometres 2 bigger 3 graph paper 4 90 cm2 5 bigger C 1 17 cm2 2 14 cm2 3 20 cm2 4 22 cm2 D 1 7 cm2 2 litre (l) 3 B 4 (a) ENRICHMENT PRACTICE A 1 P = 4 cm × 5 cm × 3 cm = 60 cm2 Q = 7 cm × 2 cm × 3 cm = 42 cm2 2 P = 60 Q = 42 3 P ; Q B 1 (a) A method to measure the volume of water that is displaced when an object is placed into the water in a measuring cylinder. (b) 33 cm3 – 25 cm3 = 8 cm3 2 Place the measuring cylinder on a flat surface. Then pour the liquid into the measuring cylinder. Read the volume of the water from the bottom of the meniscus. SUMMATIVE PRACTICE Objective questions 1 B 2 A 3 B Subjective questions A 1 (a) P: 6 cm2 Q: 7 cm2 R: 6 cm2 S: 7 cm2 (b) (i) To measure the number of tiles needed to fit the floor (ii) To measure the area of Peninsular and East Malaysia Unit 7 Density DIAGNOSTIC PRACTICE A 1 (a) • Coin • Paper clip • Key (b) • Cork • Leaf • Plastic spoon 2 less dense; more dense B 1 The coin is denser than water 2 Condensed milk is denser than water 3 The leaf is less dense than water 4 Oil is less dense than water REMEDIAL PRACTICE A 1 Float 2 Sink 3 Float 4 Sink 5 Sink B 1 2 more ENRICHMENT PRACTICE A 1 A: The egg sinks to the bottom of the beaker B: The egg floats on the surface of the water 2 To make the water denser than the egg so that the egg will float 3 The density of water increases when salt is added and this makes the object float SUMMATIVE PRACTICE Objective questions 1 A 2 D 3 C 4 D 5 B Subjective questions A 1 (a) Honey (b) Oil 2 Oil, water, dish soap, honey 3 (a) denser (b) less Unit 8 Acid and Alkali DIAGNOSTIC PRACTICE A 1 (a) (i) No change (ii) Blue (i) Red (ii) No change (ii) Blue 2 (a) Alkaline (b) Acidic (c) Neutral B 1 (a) Characteristic Acid Alkali Neutral (i) Changes to litmus paper Changes blue litmus paper to red Changes red litmus paper to blue Does not change the colour of blue and red litmus paper (ii) Taste Sour Bitter Plain (b) Feels soapy Module MyDLP Science(Ans)Yr3.indd 4 27/11/2020 5:14 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) A5 2 (a) Bitter (b) Sour (a) Sour (b) Tasteless REMEDIAL PRACTICE A 1 Alkali 2 Acid 3 Alkali 4 Neutral 5 Acid 6 Acid B 1 No change ; Red 2 No change ; Blue 3 Blue ; No change 4 No change ; No change 5 No change ; Red C D 1 Acid 2 Neutral 3 Alkali 4 Alkali 5 Alkali 6 Acid ENRICHMENT PRACTICE A 1 Acid: Lemon, Alkali : Toothpaste, Neutral : mineral Water 2 To determine / identify the chemical properties of substances 3 Battery acid B 1 Acid (a) Lemon juice (b) Tomato juice (c) Mango 2 Alkali (a) Toothpaste (b) Shampoo (c) Bitter gourd 3 Neutral (a) Mineral water (b) Distilled water (c) Oil SUMMATIVE PRACTICE Objective questions 1 C 2 B 3 C 4 B 5 C 6 A Subjective questions 1 Tastes bitter 2 To clean our teeth and remove bacteria 3 The red litmus paper changes to blue 4 To produce slaked lime to reduce the acidity of soil Unit 9 Solar System DIAGNOSTIC PRACTICE A 1 A: Mercury B: Venus C: Earth D: Mars E: Jupiter F: Saturn G: Uranus H: Neptune 2 The Sun B 1 The Sun 2 8 planets 3 Natural satellites C 1 Asteroids; Sun 2 Meteoroids; float 3 Comets; ice REMEDIAL PRACTICE A 1 7 2 3 3 3 4 3 5 7 B 1 Comet 2 Asteroid 3 Meteoroid C 1 The Sun 2 Jupiter 3 Neptune 4 Venus 5 The Earth 6 Comets D M, L, J, N, K E 1 Sun 2 shortest; longest ; closest ; furthest 3 365 4 Venus 5 closer ENRICHMENT PRACTICE A 1 Vicky, Amna, Adi, Ah Ling, Auni, Akmal, Fahmi, Aira 2 Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune TEPUNG KICAP DEEZ CUKA SERBUK PENAIK Air Mineral UBAT MADU Starfruit Orange juice HONEY MEDICINE VINEGAR SOY SAUCE Mineral water FLOUR BAKING POWDER Bittergourd Module MyDLP Science(Ans)Yr3.indd 5 27/11/2020 5:14 PM GLOBAL MEDIASTREET SDN. BHD.
© Global Mediastreet Sdn. Bhd. (Co. No. 762284-U) A6 SUMMATIVE PRACTICE Objective questions 1 B 2 C 3 A 4 C 5 D 6 A Subjective questions A 1 (a) Akmal uses less effort than Firdaus (b) To make the job of lifting heavy loads easier 2 More force / energy is needed to lift heavy object YEAR-END TEST Objective questions 1 B 2 B 3 B 4 C 5 A 6 C 7 B 8 A 9 A 10 D 11 D 12 C 13 B 14 D 15 A Subjective questions A 1 The plant gets all basic needs such as water, sunlight, air and nutrients 2 The sea is polluted 3 Akmal will reach the finish line first. B C 1 Eat animals and plants 2 Eat plants only 3 Eat animals only D 1 Leaves 2 Stem cutting 3 Spore 4 Sucker 5 Underground stem 6 Seed E 1 centimetre square (cm2 ); metre square (m2 ) 2 12 cm2 3 measuring cylinder 4 irregular 5 flat F 1 sinks ; more dense 2 floats ; air 3 sinks ; denser 4 floats ; denser G 1 Acid 2 Alkali 3 Neutral 4 Acid 5 Alkali H 1 The Sun 2 8 planets 3 Asteroids 4 Meteoroids 5 Comets B 1 (a) Q, R, P, S (b) S, because it is the furthest planet from the Sun 2 The further the distance of the planet from the Sun, the longer time taken for the planet to revolve around the Sun. SUMMATIVE PRACTICE Objective question 1 A 2 B 3 C 4 A 5 B 6 B Subjective question A 1 Because Saturn is closer to the Sun 2 Jupiter, Mars, Earth, Venus 3 (a) Venus (b) Neptune Unit 10 Machine DIAGNOSTIC PRACTICE A 1 an example of simple machine which enables loads to be lifted easily by using less force 2 (a) The load will be pulled up (b) (i) force (ii) load B 1 Raising a flag 2 Lifting heavy objects using a crane 3 Raising water from a well 4 Pulling window blinds up and down REMEDIAL PRACTICE A 1 simple 2 easily; force B 1 Rope 2 Grooved wheel 3 Axle 4 Load C 1 3 2 3 3 7 4 3 5 7 D 2 ; 3 ; 5 ENRICHMENT PRACTICE A 1 It can lift heavy loads to higher levels and make the jobs easier 2 More effort and time are needed to lift loads 3 A crane uses a fixed pulley and moveable pulley to lift heavy loads Module MyDLP Science(Ans)Yr3.indd 6 27/11/2020 5:14 PM GLOBAL MEDIASTREET SDN. BHD.
GLOBAL MEDIASTREET SDN. BHD.