torches_booklet

torches_booklet - Torches Name 1 Investigating Torches LI...

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Torches Name _________________ 1. Investigating Torches.
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LI Look at a range of torches and examine them for all their different features. Make a list of the features in the table below. Torch 1 Torch 2 Torch 3 What shape is the torch? Is it heavy or light? How does the switch work? How is the light reflected? How many batteries does it take? What materials is it made from? Does it have any special surface textures? Why do you think it does? Who do you think this torch was designed for? Why?
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2. Investigating Switches. LI Investigate how a switch works and use a variety of materials to make switches. Draw a simple circuit here including a switch. Label your circuit. Bulb battery lamp and holder wires switch List some materials that you could make a switch from: Why do you think these materials are best for making a switch from? Plan and design a simple switch here, labeling all the parts and materials : List the materials you need to make this switch: ______________________ ___________________________________________________________ Did it work? ______________ If not why not? ______________________ _____________________________________________________________ Now make a different switch. This time the switch must work in a different way. List the materials you need to make this switch: ______________________ _____________________________________________________________ Did it work? ______________ If not why not? ______________________ _____________________________________________________________
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