DELHI PUBLIC SCHOOL, JAIPUR Revision Worksheet- 2 (2013-14) Subject - Science Class - 6 Name …………………………Class & Section …………Roll No. ……………. Date ……….. Answer the following: 1. Chemical substances present in food that provide nourishment to the body are called ..................................... 2. Food enables us to ........................ and ........................ worn out tissues. 3. Food helps us fight against ................................ 4. Animals that consume dead animals are called ........................... 5. Humans are examples of ....................... 6. A food chain always starts with a ............................ 7. Honey bees make honey from the ............... of flowers. 8. ............................ are called body building foods. 9. ............................and ......................... are called protective foods. 10. ........................... .and .....................are called energy giving foods. 11. Along with all the nutrients, a balanced diet should also contain proper amount of ............................ and ................................ 12. Name 2 substances that are soluble in water ............................and ............................. 13. Name 2 substances that are insoluble in water .............................. and ........................ Q.14. What are the functions of different vitamins. Make list? Vitamin A ........................................................................................... Vitamin C ............................................................................................ Vitamin D ............................................................................................ Vitamin E ............................................................................................. Vitamin K ............................................................................................. 15. List 4 common plants having medicinal use : .............................................................. .............................................................. .............................................................. .............................................................. Page 1 of 4 16. Name the following: i. Two liquids soluble in water ....................................................................... ii. Two liquids insoluble in water ..................................................................... iii. Two transparent objects ................................... , ........................................... iv. Two translucent objects .................................... , .......................................... v. Two opaque objects .......................................... , .......................................... vi. Two solids soluble in water ............................... , .......................................... vii. A liquid metal ...................................... viii. Two miscible liquids ......................... , ........................... ix. Two immiscible liquids ....................... , ........................... x. Two soluble substances in water .................................. , ............................ xi. Two insoluble substances in water ............................... , ............................ xii. Two substances that float on the surface of water .................... , ........................ xiii. Two substances that sink in water ............................ , ............................... 17. Write true or false : i. Stones and nails float on water. [ ] ii. Cotton is soft while iron is hard. [ ] iii.We choose a material to make an object depending on its properties and the purpose for usage. [ ] iv.Butter paper, oiled paper etc. are transparent materials [ ] v. Cooking makes food items soft and easily digestible . [ ] vi. Menu is list of dishes/ food items saved at a meal. [ ] vii.Tea and coffee are common beverages.[ ] viii.The rearing of honey bees on a large scale is known as pisciculture.[ ] ix. The place used for the rearing of honey bees is called an “apiary”.[ ] 18. Fill up the following: i. Material which can be compressed or scratched easily are called ..................... ii. Material which are difficult to compress are called ...................... iii. Iron and copper have ..................... on their surface after rubbing with sand paper. iv. ..................... is man made transparent substance / object. v. ..................... does not mix in water. vi. ..................... and ..................... are opaque. vii. Materials that have lustre are usually called as .......................................... viii. Three examples of metals are ........................ , ..................... & ............................... ix. The gas which can dissolve in water is.................................. x. Materials are grouped together on the basis of .................... and ..................... in their properties. Page 2 of 4 xi. Some metals lose their shine and often look dull because of the action of ................. and ................ on them. xii. Based upon transparency, materials can be grouped as .................. , ................... and .......................... xiii. A substance which is used in making different objects is called .............................. xiv. The materials which occur in nature are called ............................. materials. xv. The materials made by man are called ..............................materials. xvi. The materials which have natural shine on their surface are called ...................... xvii. The substances which dissolves in water are called .............................substances and which do not dissolve in water are called ................ substances. xviii. .................. is called the universal solvent. xix. The liquids which dissolve in water are called ....................................... liquids and which do not dissolve in water are called ................................. liquids. 19. Name the following: i. Two milk-yielding animals ................................. , ................................... ii. Two poultry animals ....................................... , ................................... iii. Two fresh water fishes .................................... , ................................... iv. Give two examples of omnivores .................... , ................................... Page 3 of 4 Page 4 of 4