Class 4 Science Chapter 7 Test 1 Welcome to your Class 4 Science Chapter 7 Test 1 1. ______ not only provide us timber but are also natural habitats for animals. Deserts Ocean Forest None of these 2. The outer layer of the Earth is called ______. Air Water Soil None of these 3. About _______ of the Earth’s surface is covered by water. 71% 29% 11% 97% 4. Fast blowing air is used to generate _________. Heat Fuel Electricity None of these 5. Natural gas is used for: Heating and cooking Generate electricity Make fertilizers All of these 6. The basic material that humans get from land, sea or air is called _______resources. Artificial Natural Metal None of these 7. We produce kerosene, petrol, diesel, engine oil, grease, petroleum jelly and coaltar from the ______. Filter oil Crude oil Artificial oil No oil 8. In the globe of earth, green or light brown indicates ______ Water Land Desert Mountains 9. About ________ of the Earth’s surface is land. 71% 29% 11% 97% 10. Forests cover _______ of the total area of Pakistan. 5.2% 6% 25% 9% 11. The ______ percent of water is present in glaciers, streams, rivers and lakes. 71% 29% 3% 97% 12. About ______ of the land is cultivated in the world. 9 % 10 % 11 % 14 % 13. The water from rivers and streams flow to ______ Lakes Oceans Both a & b None of these 14. ______ is commonly used to make buildings and glass. Sand Stone Clay None of these 15. World soil day is celebrated on________. 5th December 5thMarch 5thFebruary 5thJune Time is Up! Time's up
