Questions : Natural and Man Made Materials

 Natural and Man-made materials

Q.1. Name ten things you find around you. Tell the name of the material they are made up of.

Q.2. Trees are important for man-made things and non-living things. How?

Q.3. What gives us sugar?

Q.4. What gives us our clothes?

Q.5. What is the classification of materials?

Q.6. How do we obtain different materials around us?

Q.7. What are natural materials?

Q.8. Name four items which we get from animals?

Q.9. Name four items which we get from plants?

Q.10. Name three items which we get from ground?

Q.11. What is the importance of wood?

Q.12. What is the drawback of using wood?

Q.13. What gives us leather?

Q.14. What is the use of leather?

Q.15. Where do we get coal?

Q.16. What is the use of coal?

Q.17. What gives us cotton?

Q.18. What gives us silk?

Q.19. What is the use of cotton and silk?

Q.20. Where do we find iron?

Q.21. What is the use of iron?

Q.22. Where do we find crude oil?

Q.23. What is the use of crude oil?

Q.24. Name three kinds of oil which we get from plants?

Q.25. Give three examples of man-made material.

Q.26. What are man-made materials?

Questions : Sorting Materials into Groups

 Sorting Materials into Groups

Q.1. What are the parameters on which things differ from each other?

Q.2. What is sorting?

Q.3. Name seven objects and the materials they are made up of.

Q.4. Name some materials.

Q.5. What helps us to group different materials into different classes?

Q.6. Which two properties are common to all materials?

Q.7. Which material is used to make a bucket?

Q.8. What is classification?

Q.9. Name some properties of materials which help us to classify things.

Q.10. What is lustre?

Q.11. Name five metals having lustre?

Q.12. How to know whether a material is lustrous or not?

Q.13. Name some soft materials.

Q.14. Name some hard materials.

Q.15. Name some smooth materials.

Q.16. Which materials are said to be soluble?

Q.17. What is solubility?

Q.18. Is sand soluble in water?

Q.19. What are miscible liquids?

Q.20. Give an example of immiscible liquids.

Q.21. Name two gases which dissolve in water.

Q.22. Name a gas which does not dissolve in water.

Q.23. What is density?

Q.24. Which substances float and which sinks in water?

Q.25. What is transparency?

Q.26. In how many categories can materials be divided on the basis of transparency?

Q.27. Which materials are called transparent? Give examples.

Q.28. What are Opaque objects? Give examples.

Q.29. What are translucent objects? Give examples.