INTERNATIONAL INDIAN SCHOOL,RIYADH LESSON: 5 SOURCES OF WATER

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1 INTERNATIONAL INDIAN SCHOOL,RIYADH CLASS-IV WORKSHEET-HALF YEARLY EXAM ( ) EVS LESSON: 5 SOURCES OF WATER 1. is the purest form of natural water. 2. Oceans cover more than of the earth s surface. 3. When water vapor condenses on cold object is formed. 4. Evaporation is faster when the air is. 5. are used in place where electricity is not available or where people cannot afford to use electricity. 6. The change of water into due to heating is called evaporation. 7. Higher part of mountain is covered with. 8. Water is and to make it fit for drinking. 9. Water evaporates faster when the exposed is large. 10. Water evaporates when the is high. 11. is the main source of water on earth. 12. Impure water is full of and. 13. Water that goes into the ground is called. 14. When water vapor condenses on cold object like grass is formed. [1]

2 LESSON: 7 TEETH AND TONGUE 1. help us in biting and chewing food. 2. By the age of three child has a set of teeth. 3. Number of premolars in each jaw. 4. Adults have a set of teeth. 5. Our teeth grow out of our soft pink. 6. The portion of tooth inside the gum is called the. 7. The stuck food rots and the teeth get covered with a thin sticky layer of germs called. 8. The plaque reacts with the sugar present in the food to produce. 9. causes holes or cavities in the enamel. 10. help the teeth to grow straight. 11. removes the food that cannot be removed by brushing. 12. Sweet and chocolates should be avoided because they our teeth. 13. The last four teeth which come out between the age of 20 to 30 are called teeth. [2]

3 II. NAME THE FOLLOWING: 1. The hard, strong and bony structural fixed firmly in the upper and lower jaws. 2. The portion of the tooth seen above the gum. 3. The outer white covering of tooth. 4. Teeth which helps in tearing food. 5. The hardest material in the human body. III. TRUE OR FALSE 1. Premolars are also called cracking teeth. ( ) 2. The main parts of the tooth is called pulp. ( ) 3. Incisors are also called grinding teeth. ( ) 4. Permanent teeth are also called milk teeth. ( ) 5. We should visit a dentist every six months. ( ) IV. MATCH THE FOLLOWING: A B 1. Incisors Canines Molars 2 in each jaw 4. Milk teeth 4 in each jaw 5. Permanent teeth 6 in each jaw [3]

4 LESSON: 11-PEOPLE AT WORK. 1. The work people do is called their. 2. A gardener uses a to remove unwanted plants. 3. A repairs scooters and motorcycles. 4. A carpenter uses a to cut wood and a to make holes in the wood. 5. An fits wires, switches, bulbs and fans. 6. The full form of I T I is II. MATCH THE FOLLOWING: A B 1. First women prime minister of India Bachendri pal. 2. First women president of India. Kiran bedi. 3. First Indian women to go into space. Indira Gandhi. 4. First women I P S officer. Kalpana Chawla 5. First Indian women to climb mount Everest. Prathiba patil. [4]

5 LESSON: 13-WORLD OF FLOWERS. 1. When buds open, they bloom into. 2. Seeds germinate and grow into. 3. is made by drying parts of crocus flowers. 4. is the male part of flower. 5. is the female part of flower. 6. Dahlia blooms during the season. 7. Flowers bring colour and to our lives. 8. Flower wither and change into. II. NAME THE FOLLOEING: 1. Two non flowering plants 2. Four main parts of flower. 3. Two flowers used to make colours. III. MATCH THE FOLLOWING: (1) Sepals flask shaped structure ( ) (2) Patals pollen ( ) (3) Stamen protect flower ( ) (4) Carpel attractive part of flower ( ) [5]

6 LESSON: 17-REPRODUCTION IN ANIMALS. 1. Egg white is also called. 2. Human beings are also called as. 3. A chick hatches out of an egg after days. 4. The fully grown chick breaks the egg and comes out, is called. 5. The egg of a fish is called. 6. Reptile s eggs are warmed by the. 7. Shedding of skin by a baby insect is called. 8. Caterpillar stops eating and forms a shell called. 9. The process by which animals produce their young ones is called. 10. Animals that give birth to young ones produce milk to feed them are called. 11. The mother crocodile cover the egg with and guard them. [6]

7 II. NAME THE STAGES IN THE LIFE CYCLE OF THE FOLLOWING ANIMALS: 1. Cockroach Butterfly Frog III. NAME THE BABIES OF THE FOLLOWING ANIMALS: 1. Hen. 2. Fish. 3. Frog. 4. Cockroach. 5. Butterfly. [7]

8 LESSON: 18 BIRDS: BEAKS AND CLOWS. 1. A bird that has a strong and curved beak. 2. A bird that eats grains, nuts and seeds. 3. A has a strong, heavy and chisel-shape beak. 4. Ducks and pelicans have toes. 5. The and use their toes to climb up the tree. II. MATCH THE FOLLOWING: A A bird has very long and strong legs for running Birds like the duck,pelican and swan. Birds like crow, aparrow, pigen and mynah Parrot and wood pecker use there toes. Birds like hen and quail use there feet. B Scratching birds. Climing bird. Running birds. Swimming birds. perching birds. [8]