Grade: 4 Science Olympiad Qualifier Set: 2

Transcription

1 Grade: 4 Science Olympiad Qualifier Set: Max Marks: 60 Test ID: Time Allotted: 40 Mins Instructions: Each question has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct. Each question carries 2 Marks. There is no negative marking 1. Herbivores are animals which eat only plants. Carnivores are animals which eat only meat. Omnivores are animals which eat both plants and meat. Herbert observed the following animals The correct order from 1 to 3 is... A. herbivore; carnivore; omnivore B. omnivore; carnivore; herbivore C. carnivore; herbivore; omnivore D. herbivore; omnivore; carnivore 2. The picture alongside shows the food making process in plants. This process is called... A. transpiration B. germination C. photosynthesis D. respiration Page 1 of 9

2 3. The diagram below shows a view of Earth. The arrows represent the Earth s: - A. Gravity B. Weather C. Revolution D. rotation Base your answers to questions 4 and 5 on the water cycle shown alongside. 4. Water flowing on Earth s surface at C is called: A. condensation B. evaporation C. precipitation D. runoff 5. Which process occurs at B and D respectively? A. condensation and evaporation B. evaporation and runoff C. precipitation and evaporation D. precipitation and condensation 6. Which factor is NOT needed for the germination of seeds? A. Water B. Oxygen C. Light D. Heat 7. The shape of animals teeth depends on what they eat Identify each animal as a herbivore, carnivore or omnivore A. omnivore carnivore Carnivore herbivore B. carnivore herbivore Herbivor omnivore C. omnivore carnivore e Herbivor carnivore D. carnivore omnivore e Omnivore herbivore Page 2 of 9

3 8. Thomas took a glass container, which was dry on both the inside and outside. Thereafter, he placed ice-cubes into it. After about 5 minutes he noticed tiny droplets of water on the outside of the container as shown in the picture alongside. The tiny droplets of water appearing on the outside of the container are due to: A. the water vapor inside the container cooled and the water vapor changed to a liquid. B. the water vapor around the outside of the container cooled and the water vapor changed to a liquid. C. the liquid inside the container cooled and the liquid turned into water vapor. D. the liquid around the outside the container cooled and the liquid changed to water vapor. 9. Compare these two pictures PICTURE 1 PICTURE 2 The picture on left shows bare rocks as it might have looked 100 thousand years ago, the picture on right shows bare rocks as it looked 10 years ago, The changes from picture 1 to picture 2 are mainly due to... A. wind B. rock weathering C. sand dunes D. action of plant roots 10. Which unit is used to measure how warm or cool the air is? A. gram B. kilometer C. degrees Celsius D. cubic centimeter Page 3 of 9

4 11. The diagram alongside shows a container of water and a stone. When the stone is placed in the container of water, the water level will: A. increase B. decrease C. remain the same D. increase and then decrease 12. What does the Letter AIDS stand for in HIV/AIDS? A. Anti immune disease syndrome B. Anti immunization disease system C. Age induced diabetic syndrome D. Acquired immune deficiency syndrome 13. This small child with the swollen stomach and skinny legs is suffering from a lack of protein in his diet. It is a buildup of fluid in the blood that causes the stomach to swell. This disease is called. A. Dehydration B. Anorexia C. Kwashiorkor D. bulimia 14. The following picture shows the food making process in plants. From the above picture, numbers 1. and 2. in the correct order are: A. oxygen; carbon dioxide B. carbon dioxide; oxygen C. carbon dioxide; nitrogen D. water vapor; oxygen Page 4 of 9

5 15. Age of a tree can be estimated by : A. Its height and birth B. Biomass C. Number of annual rings D. Diameter of its heartwood Use the information below to answer Questions 16 and 17. A group of students completed a float or sink experiment. They put six objects into a bucket of water. The objects were made of steel, clay and plastic. The diagram shows the result of the experiment. 16. Which material always sank to the bottom in this experiment? A. clay B. plastic C. steel D. All of the above 17. The clay boat and clay ball have the same mass. Which property causes the boat to float and the ball to sink? A. color B. mass C. shape D. texture 18. The diagram alongside shows several objects. Which objects in the picture are non-living? A. tree and rope B. tyre and rope C. grass and tyre D. grass and tree Page 5 of 9

6 19. Which combination is the correct sequence of stages in the life- cycle of the butterfly? A. Pupa, Egg, Caterpillar, Adult B. Egg, Caterpillar, Pupa, Adult C. Egg, Pupa, Caterpillar, Adult D. Adult, Egg, Pupa, Caterpillar 20. The tides in the ocean are due to- A. Wind over the oceans B. Gravitational pull of the moon C. Rotation of the earth D. Revolution of the earth 21. Earth revolves around the sun and rotates on its own axis. Study each of four statements given below. 1. Earth takes /4 days to rotate on its own axis once around the sun. 2. Earth takes 24 hours to rotate once around its own axis. 3. The rotation of Earth on its own axis cause day and night. 4. The revolution and rotation of Earth takes place at the same time. Select the correct statements from the above four A. 1,2,3,4 B. 2,3,4 C. 1,2,3 D. 1,2,4 22. Read this letter and then study the table which follows: Dear Julie I have been thinking of you enjoying your summer holidays. It is very different here in England where it is winter now. The days are so short. It gets dark at half past four in the afternoon when I leave the University. It s also very cold. Thank goodness for the warm scarf that Caterina knitted me. Yesterday it snowed and we went out and built a snowman. Then we had a snowball fight. I got very wet and cold. It was very exciting to see snow for the first time in my life. Page 6 of 9

7 Lots of love Your big sister in English winter Jackeline Fernandes Min Temp 0 C Max Temp 0 C The minimum and maximum temperatures in England are likely to be... A. 1 B. 2 C. 3 D The sun is classified as a: A. Star B. Planet C. Satellite D. Comet 24. A student rubs his hands to get warm. His hands get warm due to: - A. friction only B. Gravity and magnetism C. magnetism and friction D. potential energy and kinetic energy Page 7 of 9

8 Questions 25 and 26 refer to a graph of the sources of energy in 4 countries: 25. What is the source of energy in countries C and D respectively? A. Coal and Oil B. Nuclear and Oil C. Nuclear and Coal D. Hydro-electric and Coal 26. Which country uses the most sources of energy and which country uses the least sources of energy respectively? A. A and C B. A and B C. B and C D. C and D 27. If you heat ice it changes to water, and if you heat water it changes to water vapor. 1 2 Page 8 of 9

9 Name the processes that occur at 1 and 2 respectively: A. melting and evaporation B. condensation and evaporation C. evaporation and boiling D. melting and conduction 28. When you add salt to water, the salt dissolves in the water to form a salt solution. Which of the following substances will not dissolve when added to water? (i) Sugar ( ii) Sand (iii) Coffee (iv) Mealie meal A. (i) and (ii) B. (ii) and (iii) C. (iii) and (iv) D. (ii) and (iv) 29. The third planet from the sun is: A. Mercury B. Mars C. Earth D. Saturn 30. The axis is an imaginary line that runs through the center of the Earth. The direction of the axis is from. A. East B. South C. North to South D. East to West Page 9 of 9