Toys from Trash

By cutting the end of a straw you can create a reed instrument that you can actually play a tune on. You can also learn some things about the science of sound and music.

Also look at this video to make a reed based flute only with straws. Looks simple but you need to try this with your students.

Press fit a long plastic pen tube in a bottle lid. Press a hard straw on the rim for blowing. Stretch a torn balloon on the lid to make a taut membrane. Push the pen from below to touch the membrane. Now on blowing through the straw you will hear loud sound. The vibrating membrane will produce the sound.

For pictorial view of the steps to make this toy, click on this link: http://www.arvindguptatoys.com/toys/Loudlid.html

Challenge your learners to retire their colour pencils and paint brushes for a day and ask them to express themselves only through their thumbs. Let the fun begin!

This balloon and straw model explains how our lungs function. Breathe fun into your biology class. This video is from the YouTube channel Semi/High Production.

What can a humble matchbox do, one may ask. Check these tried and tested puzzles to enthuse your learners towards patterns, symmetry and a bit of imaginative problem solving, courtesy Arvind Gupta.

For more on match stick TLMs check the attachment below.

Flying air rockets is a relatively safe and inexpensive way for students to learn the basics of forces and the response of a vehicle to external forces. A model air rocket is subjected to four forces in flight; weight, thrust, and the aerodynamic forces, lift and drag. Here's a making of the simplest one that uses compressed air.

Help your learners build on the basics of structural engineering, courtesy Arvind Gupta. You may show Leonardo's Bridge with this activity.

Are you looking for a book that offers a fun, new perspective to science? In this review, join a mother and son as they share their experiences of one such book, called The Agenda of the Apprentice Scientist.

You might have already seen Arvind Gupta explaining the basic shapes in mathematics (& simple organic molecules) by a matchstick model. They are easier to make and very important tools helping learners visually the structures spatially.

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