Class 4 Science Chapter 7 Test 2 Welcome to your Class 4 Science Chapter 7 Test 2 1. Dinosaurs are now_______. In Amazon Extinct Live in high mountains None of these 2. _______is/are called non-renewable resources. Coal Petrol, diesel Natural gas All of these 3. ______ are used to make wires, coins, jewelry and utensils. Oil Petrol Gas Minerals 4. Coal, petrol, diesel and natural gas take ______ of years to form Hundreds Thousands Millions None of these 5. Glass is made from: Sugar Sand Plastic Rubber 6. Coal, petrol, diesel and natural gas are ______ resources. Renewable Non-renewable Sunlight Water 7. An example of non-renewable sources is: Oil Soil Air Solar energy 8. Remains of dead animals and plants found in the earth are called Soil Minerals Stones Fossils 9. About what percentage of the Earth’s surface is land? 1 percent 21 percent 29 percent 30 percent 10. ______ were lizards like giant animals. Giraffa Dinosaurs Elephant None of these 11. Recycling saves natural resources by making things________. Reusable Throwing Polluted None of these 12. The imprints or remains of many organisms that do not exist in this world now are known as______. Fuels Food Fossils None of these 13. ______ are simple solid chemical substances which are present in the earth. Oil Petrol Gas Minerals 14. The skeletons of many ancient animals are still preserved in: Soil and rock Salt reservoirs High mountains None of these 15. Those unlimited resources which can be replaced after use are called _____resources. Renewable Non-renewable Sunlight Water 16. The lavish use of natural resources is causing irreparable ______ to our environment. Benefit Damage Good All of them 17. Fossils are found under ______ Rocks Soil Sea All of these 18. Those resources which cannot be replaced by new ones easily are called ______ resources Renewable Non-renewable Sunlight Water 19. To make things reusable is called: Recycling Conservation of resources Care Cycling 20. Some renewable resources are used as ______ substitutes. Food Wind Fuel All of these Time is Up! Time's up