Retaining Solar Energy Materials Required: Scissors Four large glasses A sunny window Ruler 5. Masking tape Water 7. Sandy soil Small stones Four thermometers Two sticks A watch Paper and pencil The Sun’s rays create heat energy, which is absorbed in varying levels by everything present in the earth like air, water, stone, sand etc. To carry out an experiment to see which element contains more of the sun’s heat energy,...

SUN ENERGY Materials Required: 1. Art and Craft supplies If you list all the energy that you see around you, you can surely trace their original source back to the sun’s heat energy. For instance, wind energy is caused by the uneven heating of the earth’s surface by the sun. Sea waves are caused to a large extent by the wind. Even the wood that comes in such good use also...

Recycling to Save Energy Materials Required: Various materials from around the house Pencil and paper Whenever products are made, energy is consumed. Therefore, if a product can be used many times over, then we can save energy to a great level. You can re-use plastic products conveniently. For instance, plastic soda bottles can be turned into bird feeders, to store drinking water, as a terrarium for experiments and also as penny...

Recycling Paper Materials Required: Paper grocery bags Glue Safety scissors A heavy book Large jar lid Pencil We must be careful with the things we possess. Conservation is using things wisely and not wastefully. You can conserve things by buying things that can be used again and again. When cleaning, use reusable rags instead of paper towels. Use regular dishes and glasses for meals, instead of paper plates and throwaway cups....

Recycling Toys and Books Materials Required: Paper and pencil Items collected from friends Is there a “lending library” set up by your teacher in the classroom, wherein you can bring in books and games to lend to others? Some good items for the lending library are books, comics, video-game cartridges, magazines, computer games and videotapes. Before bringing any item to the lending library, children must seek permission from their parents to...

Recyclable Packaging Materials Required: Ten same size aluminium soda cans of different brands (12 ounces) Ten 2-litre soda bottles of different brands Scale Paper and pencil Glass and other packaging materials prove to be costly, so soda comes in thinner recycled glass/plastic bottles and aluminium cans today. Do aluminium soda-can makers use the same amount of metal in all their products? Are some cans heavier than the others? Is the same...

Rate of Evaporation Materials Required: Two 1-pound plastic butter tubs Potted soil Measuring cup Food scale Water Plants need water to survive. Garden plants are watered more often than those that are indoors. Since the sun and air dry the soil, they need more water than potted plants. Fill two 1-pound plastic butter cups with potted soil. Make sure they are loosely packed. With the help of a small food scale,...

Protection from Wind Force Materials Required: An adult A place with many trees An open space, away from trees and buildings Plastic-foam drinking cup Trees seem friendly. They are colourful and appealing. People hang swings from them and birds build nests in them. In destinations facing extreme cold winters, strong winds can make it harder to heat a house. Do trees stop the wind? If trees are planted around a house,...