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100 Facts - Inventions

Miles Kelly

795.00 KSh 795.0 KES 795.00 KSh

795.00 KSh

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    100 facts inventions book for kids covers key topics about the history of inventions in simple numbered facts. Every page is covered in fantastic illustrations and photographs that support a child's understanding of the text.essential topics covered in 100 facts inventions:‚a¢ inventions through the ages such as fire in the stone age and smartphones in the modern age‚a¢ progression in communication, transport, weapons and household appliances‚a¢ the technology of the futureexamples of 'i don't believe it' fascinating facts:‚a¢ the earliest steam engine was totally useless. Around 2000 years ago a greek engineer invented a steam machine with a spinning metal ball. Unfortunately no one could think of any use for it.‚a¢ a 15th-century chinaman, wan hu, tried to make a flying machine out of 47 rockets and two kites. His servants lit all the rockets at the same time, and wan hu disappeared forever!‚a¢ some stone age people invented the first fridges! They buried spare food in pits dug in ground that was always frozen.activities to make learning accessible and interactive include:‚a¢ quiz question: were early refrigerators dangerous because (a) they blew up or (b) they leaked poison gas?‚a¢ make a shadow clock using a garden cane stuck in a flat piece of ground. Measure the shadow every hour using a marker, from 9am to 4pm, and note which hour casts the shortest shadow‚a¢ rub your hands together really fast to feel how they become warmer. Rubbing things together is called friction, and friction causes heat

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