1) A machine is something that helps us do work with... a) lots of technology! b) less effort! c) lights and magic! 2) Life would be the same without machines. a) True b) False 3) Machines existed over 500 years ago. a) True b) False 4) Simple machines are not useful. a) True b) False 5) When was the wheel invented? a) around 4200-4000 BC b) around 2800 BC

Year 4 - Unit 6 - Cycle 1 | Let's Go!

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