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www.GOALias.blogspot.com9. Given below is a crossword puzzle based on this lesson. Use hints to fillin the blank spaces with letters that complete the words.DownAcross(D) 1 : Thorough washing (A) 1 : Keeps warm2 : Animal fibre 2 : Its leaves are eaten by silkworms3 : Long thread like structure 3 : Hatches from egg of mothExtended Learning — Activities and Projects1.Paheli wants to know themaximum length ofcontinuous silk thread thatcan be obtained from a cocoon.Find out for her.2.Boojho wants to know whycaterpillars need to shed their skinwhen they grow bigger but wehumans do not.Do you have any idea?FIBRETO FABRIC3333