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ii Chapter 1 Our Needs 1 Chapter 2 Basic Needs and Protection of Animals 9 Chapter 3 Basic Needs and Protection of Plants 17 Chapter 4 Light and Shadows 24 Term Test 1 30 Chapter 5 Mixtures 39 Chapter 6 Water 43 Chapter 7 Air 48 Chapter 8 Rotation of Earth 51 Term Test 2 54 Contents ©Praxis Publishing Singapore Pte. Ltd.
1 Chapter 1 Our Needs Across Down Chapter 1 Our Needs A Use the clues to complete the word puzzle below. v g a t e w r c e e e o u t s t b e s f ❶ ❷ ❸ ❶ ❶ ❷ ❸ ❶ ❷ ❷ ❸ ❸ 1.1 Food ©Praxis Publishing Singapore Pte. Ltd.
3 Chapter 1 Our Needs C Color the food that keeps us healthy. Circle the food that gives us energy. Cross the food that helps us grow. ©Praxis Publishing Singapore Pte. Ltd.
7 Chapter 1 Our Needs I Clothes are useful for us. How do we use them? Match. J What do we need? Circle the correct answers. 1 Clothes protect us from sunburn. 2 Clothes protect us from rain. 3 Clothes protect us from snow. 1 5 2 6 3 7 4 8 a b c 1.6 Clothes ©Praxis Publishing Singapore Pte. Ltd.
9 Chapter 2 Basic Needs and Protection of Animals Chapter 2 Basic Needs and Protection of Animals A What do animals need to stay alive? Color the correct answers. B Fill in the blanks. Food Clothes Moon Companion Air Water 1 Animals need , , and shelter to stay alive. 2 Animals need to regulate their body temperature. 3 Animals that eat both plants and other animals are called . 4 Animals that eat plants only are called . 5 Animals that eat other animals only are called . 2.1 Basic Needs of Animals carnivores food water herbivores air omnivores ©Praxis Publishing Singapore Pte. Ltd.
10 Primary 2 Hands-on Science C Write a, b or c to identify the animals according to the food they eat. a herbivore b carnivore c omnivore 1 4 7 2 5 8 3 6 9 ©Praxis Publishing Singapore Pte. Ltd.
14 Primary 2 Hands-on Science H How do these animals respond when they are in danger? Match. I Fill in the blanks with the correct words. You can use the words more than once. Hides itself in its shell Breaks off its tail Coils up its body 1 Cows give us and . 2 Ducks and chickens give us and . 3 We also get meat from and . 4 and are used to transport goods. 5 and help plants to reproduce. eggs camels butterflies buffaloes meat milk bees elephants goats 1 2 3 a b c 2.3 Useful and Harmful Animals ©Praxis Publishing Singapore Pte. Ltd.
17 Chapter 3 Basic Needs and Protection of Plants Chapter 3 A State if these plants have enough water, too much water or not enough water. Basic Needs and Protection of Plants Conclusion: Plants need the amount of water for a healthy growth. Plants Enough water/Too much water/ Not enough water 1 2 3 4 5 3.1 Basic Needs of Plants ©Praxis Publishing Singapore Pte. Ltd.
18 Primary 2 Hands-on Science B Fill in the blanks with the correct answers. 1 The plant is under the . 2 The plant needs to grow. 3 The plant will grow with sunlight. 4 The plant is placed in a . 5 The plant does not get . 6 The plant will . 7 The plant needs to survive. 8 Without water, plants will and die. ©Praxis Publishing Singapore Pte. Ltd.
23 Chapter 3 Basic Needs and Protection of Plants H Tick (✓) the correct ways to take care of plants. 1 3 5 2 4 6 3.4 Caring for Plants ©Praxis Publishing Singapore Pte. Ltd.
24 Primary 2 Hands-on Science Chapter 4 Light and Shadows A Circle the sources of light below. 1 2 3 4 5 6 7 8 9 4.1 Sources of Light ©Praxis Publishing Singapore Pte. Ltd.
27 Chapter 4 Light and Shadows D Which shadows are correct? Tick (✓) in the circles. 1 3 5 2 4 6 ©Praxis Publishing Singapore Pte. Ltd.
30 Primary 2 Hands-on Science Term Test 1 A Tick (✓) the things that we need to stay alive. Cross (✗) the things that we do not need to stay alive. (12 marks) B Fill in the blanks with the correct answers. (6 marks) 1 2 3 4 5 6 Food Food group Function Fruits and vegetables Help us stay Proteins Help us Carbohydrates Give us 1 2 3 MARKS WHEAT WHEAT BREAD ©Praxis Publishing Singapore Pte. Ltd.
Term Test 1 31 C How to prepare a healthy meal for yourself? Fill in the name of the food below according to their groups on page 32. (24 marks) Prawn Pasta Crackers Papaya Fish Broccoli Pineapple Cereal Mangosteen Cheese Tempeh Bread ©Praxis Publishing Singapore Pte. Ltd.
34 Primary 2 Hands-on Science E Study the pictures below. Answer the following questions. (12 marks) 1 Name two animals (6 marks) (a) that provide food to humans : (b) that are used for transportation : (c) whose skins are used to make shoes : 2 Name one animal that lives in the water. (1 mark) 3 Name one animal that stings when in danger. (1 mark) 4 State the four basic needs of animals. (4 marks) Donkey Crocodile Fish Cow Horse Bee ©Praxis Publishing Singapore Pte. Ltd.
39 Chapter 5 Mixtures Chapter 5 Mixtures A How do we separate each material in the mixtures below? Match according to their correct method. B Which objects below can be separated from a mixture by using a magnet? Tick (✓) the correct answers. 1 2 3 4 5 Hand-picking method Sieving method 1 2 3 4 5 6 Thumbtack Hand towel Marble Spring Bottle cap Computer mouse 5.1 Ways to Separate Mixtures ©Praxis Publishing Singapore Pte. Ltd.
40 Primary 2 Hands-on Science C Hakim is separating various mixtures as in the diagrams below. Name the methods used and label the materials correctly. 1 Mixture of flour and raisins Method used to separate the mixture: 2 Mixture of paper clips and marbles Method used to separate the mixture: 3 Mixture of peanuts and strawberries Method used to separate the mixture: (a) (b) Mixture of flour and raisins Mixture of paper clips and marbles Mixture of peanuts and strawberries (a) (b) (a) (b) ©Praxis Publishing Singapore Pte. Ltd.
43 Chapter 6 Water Chapter 6 A Name the sources of water based on the pictures. B Fill in the blanks with the correct words. Water 1 2 3 1 of the surface of the earth is covered with water. 2 We can find water in the , rivers and also ponds. 3 can be found in the cracks and spaces between soil and rock layers. 4 Aquatic animals such as fish live in the . 5 People like to go to as a recreation spot. 6 We use water to , cook and bathe. 7 Without water, all living things will . waterfalls groundwater die wash seas water most 6.1 Water Sources and Its Uses ©Praxis Publishing Singapore Pte. Ltd.
47 Chapter 6 Water G The statements below describe activities involving the use of water. Draw ‘’ for good practices. Draw ‘’ for poor practices. I like to bathe in a bathtub full of water. 1 I collect rainwater to water the plants. 2 I do not leave the tap running while brushing my teeth. 3 I use a hose to spray water on my car. 4 I installed a low-flush toilet to help reduce my water bills. 5 I always wash the dishes under running water. 6 6.4 Conservation of Water ©Praxis Publishing Singapore Pte. Ltd.
48 Primary 2 Hands-on Science Chapter 7 A Study the diagram and answer the following questions. Air Oxygen Nitrogen Other gases 1 Which gas is the major component in air? 2 Which two gases are important to plants? (a) (b) 3 Why are the gases mentioned in question 2 important to plants? (a) (b) 4 Which gas is needed by all living things to live? 5 Name two types of noble gases. 6 Besides gases, what does the air contain? 7.1 Components of Air ©Praxis Publishing Singapore Pte. Ltd.
50 Primary 2 Hands-on Science D Underline the correct words. E Why is the wind always blowing at the beach? Fill in the blanks with the correct words provided. 1 Moving air is also known as ( wind / atmosphere ). 2 Air moves because of the difference in ( heights / temperatures ) between two areas. 3 Air moves from a ( cool / warm ) area to a ( cool / warm ) area. 4 Movement of air across Earth’s surface brings monsoons or ( winter / rainy ) seasons. 5 Wind turbines use ( wind / waves ) to generate electricity. 6 The wind makes things ( move / stop ). During the day, the Sun heats up the (1) faster than the sea. This causes the (2) air on the land to rise. Meanwhile, the cooler air blows in the (3) to replace the rising hot air above the land. This flow of (4) air produces a sea (5) . land hot breeze cool sea 7.3 Movement of Air ©Praxis Publishing Singapore Pte. Ltd.
51 Chapter 8 Rotation of Earth Chapter 8 A The diagram below shows how day and night occur. Tick (✓) the correct statements and cross (✗) the incorrect statements. Rotation of Earth 1 Our Earth rotates on its axis. 2 Our Earth rotates from the East to the West. 3 Our Earth takes 30 days to do a complete rotation. 4 The part of Earth that faces the Sun experiences day. 5 The people in A in the above diagram are experiencing night. 6 When Earth rotates, the people in A will see the Sun soon. 7 The people in B are experiencing morning time. 8 Daytime lasts for 24 hours. Earth Sun Sunlight A B 8.1 Day and Night ©Praxis Publishing Singapore Pte. Ltd.
53 Chapter 8 Rotation of Earth C Label the directions on the compass. Write ‘N’ for North; ‘S’ for South; ‘E’ for East; and ‘W’ for West. D In the morning, Ali spreads his arms and points his right hand towards the Sun. In which direction will the needle be pointing all the time? Draw it on the compass. This means 1 in front of him is the . 2 behind him is the . 3 to his left is the . 4 to his right is the . South North West East 8.2 Directions ©Praxis Publishing Singapore Pte. Ltd.
54 Primary 2 Hands-on Science A Circle the food that helps us grow. (4 marks) B What should we do to stay fit and healthy? Match correctly. (4 marks) Term Test 2 MARKS (b) We must eat vegetables only. (a) We must drink a lot of water. (c) We must sleep all the time. (f) We must eat healthy food. (d) We must exercise regularly. (e) We must sleep early. 1 2 3 4 ©Praxis Publishing Singapore Pte. Ltd.
Term Test 2 55 C Group the animals below into the given categories. (3 marks) D These animals have their own special characteristics to protect themselves. Fill in the blanks with the correct answers. (6 marks) Herbivores Carnivores Omnivores Rat Owl Giraffe Tiger Chicken Butterfly 1 4 2 5 3 6 Gives off black ink Spines Hard shell Poison Sharp claws Breaks off a body part ©Praxis Publishing Singapore Pte. Ltd.