1) What should you consider when choosing a material? a) Its color b) Its purpose and properties 2) Why do builders use strong materials for bridges? a) To hold heavy loads b) To look nice 3) What material is used for raincoats? a) Plastic b) Cotton 4) Why is cotton not good for raincoats? a) It’s too soft b) It absorbs water 5) What is one good thing about cotton in clothing? a) It is heavy b) It is flexible 6) Why is plastic good for keeping dry? a) It doesn’t absorb water b) It’s colorful 7) What can we do after testing a material in an experiment? a) Ignore the results b) Improve the design 8) What did the paper boat challenge teach us? a) To use big boats b) To think and test materials 9) What can help a paper boat hold more weight? a) Better design b) Adding more paper 10) What is the main goal of choosing the right material? a) To make things pretty b) To make things work well

Choosing the Right Material

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