1) Which of the following materials is both natural and transparent? a) Wood b) Air c) Glass d) Cotton 2) Which material would be best for making a raincoat? a) Wool b) Cotton c) Plastic d) Paper 3) Why is metal used for cooking utensils? a) It is soft b) It is transparent c) It conducts heat d) It floats in water 4) What is a man-made material used for making bags and clothes? a) Wool b) Cotton c) Nylon d) Wood 5) Which material is used for making transparent objects like windows? a) Metal b) Cloth c) Glass d) Rubber 6) What kind of material is used for making furniture like tables and chairs? a) Rubber b) Wool c) Wood d) Paper 7) A material is hard, shiny, opaque, and can conduct heat. What is it most likely to be? a) Glass b) Metal c) Wood d) Rubber 8) Which group has all three materials that are natural? a) Wood, Cotton, Plastic b) Water, Wool, Clay c) Metal, Nylon, Sand d) Paper, Rubber, Plastic 9) A material floats on water, is soft, and used in packing delicate items. What is it? a) Metal b) Sponge c) Thermocol d) Stone 10) Which of these materials is made from sand but is transparent? a) Clay b) Plastic c) Paper d) Glass 11) Which material is man-made and does not absorb water? a) Wool b) Plastic c) Cotton d) Paper 12) Which of these materials is flexible, waterproof, and light? a) Glass b) Metal c) Plastic d) stone 13) Which is used to make mirrors because of its reflective surface? a) glass b) wood c) cotton d) clay 14) What are materials, and why do we need them? a) Materials are shapes used for art. b) Materials are substances we eat. c) Materials are things used to make other objects. d) Materials are only used in factories. 15) Why is metal used to make cooking pots? a) It is soft and floats b) It breaks easily c) It conducts heat well d) It is light and bendy

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