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Chapter 7 Forces at work includes about tools and machines (How can a push help you lift something? What makes work easier? What is a tool?), gravity (Does one fall faster?Does one fall faster? What is gravity? What is weight?), magnets push, magnets pull; sound. | 303 ELA R 2.2.0. Students read and understand gradelevel appropriate material. Literature Poem This small Flat horseshoe Is sold for A toy we are Told that it Will pick up pins And it does time After time later It lies about Getting its red Paint chipped being Offered pins less Often until at Last we leave it fl Alone then It leads its own Life trading Secrets with The North Pole Reading Invisible messages J From the sun. by Valerie Worth .