SECOND TERM
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Title: “He that invents a machine arguments the power of a man and the well-being of mankind” Henry Ward BeecherCentral Idea: Technological advances improve the efficiency of machines to help people perform daily activities.Key concepts:Function: How do simple machines work?
Form: What are the parts of a simple machine?Change: How have simple machines changed human-beings life style? How have simple machines changed through time?Lines of inquiry:· The main characteristics of simple machines
· Technological advances and the efficiency of machinesSummative assessment task:
Students will create a model of an ancient village in which they have to find solutions to possible problems using simple machines.Teacher questions/provocations:What is work? (definition, examples)How do machines make work easier?How can you solve every day problems without a machine? Use materials to solve a problem without using a machineCan you name some simple machines? Why do you consider them simple?Can you name some complex machines? Why do you consider them complex?Do all machines need electricity to work? Why?What motivates people to create and improve machines?