By Arvind Gupta
ISBN-10: 8184776276
ISBN-13: 9788184776270
There are lots of extraordinary stuff you can do with scrap:
• Make a stitching computing device out of broomsticks, a leaf and a rubber piece;
• A mouth organ out of ice-cream sticks, a paper strip, matchsticks and rubber bands;
• A twister out of 2 2-litre plastic bottles and cello tape;
• A periscope out of a pencil field, small mirrors and cello tape;
And a lot, even more, all with fabric that's both scrap or simply obtainable. The easy-to-follow directions and straightforward illustrations make this booklet a important source to augment technology options at domestic or in class.
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Extra resources for Science from Scrap
Sample text
32 GLU YOU NEED SIX LEGGED SPIDER E Bottle base Bottle Straw Piece Lid Plastic Spirals Sketch Pen Rubber Glue Scissors 2 1 G LU E Cut 4-cm from the base of an old plastic bottle. Attach plastic spirals to the base to make the spider's legs. Glue a bottle lid to make the spider's head. Fix two straw eyes and draw a mouth to complete the spider. 3 Paint and decorate your spider. Hang it on the wall by a nail. 33 YOU NEED TERRIFIC TORNADO 2 liter bottles Cello tape 1 Make neat round holes in two bottle lids with a scissors.
Wire. 6 Attach the two ends of the coil to a LED. 38 Scrape the insulation from the two ends of the coil. 7 Cut a plastic bottle top to make the fan. 8 Cut 12 petals. Twist them to make fan blades. 11 9 10 Press fit a spoke nipple nut in the bottle lid. 12 Cut cycle spoke. 13 Place spoke in rubber Make a smooth hole File / rub on stone to piece. Attach two in the base of the make one end strong magnets to bottle. pointed. the rubber. 14 16 Tighten spoke to the nipple nut embedded in the bottle lid.
Now the tip will have a jet like orifice. 3 Needle 4 Make a hole in the rubber lid. Then press fit the ball point refill. On pressing the syringe plunger a tall jet of water will squirt out from the refill like a fountain. Fill the glass bottle with water and then fix its lid. Also bend and push the needle of a NEW syringe in the lid. 35 YOU NEED BOTTLE PROPELLER Plastic Bottles Base rubber with hole 1 Twist and curve each petal to make fan blades. 36 Cutter Cut 12 petals at a slant. 4 3 Cut a cycle spoke slightly longer than the bottle height.