Trapped Heat Materials Required: Two small, plastic butter or margarine tubs Plastic food-wrap Two thermometers Soil Water Is plastic bag efficient in keeping warmth? Fill two small, plastic butter or margarine tubs with soil. Add water to the soil and mix it. Push a thermometer into the middle of each tub containing mud. Set both the tubs around a warm, sunny window for one hour. An hour later, pick up the...

Wind Energy Materials Required: Pencil Thumbtacks Thread Solar cells and windmills may soon be the primary source of transmitting electricity into our houses. To find out, how a windmill can produce energy, you could construct one of your own and see the results for yourself. However, you need to know where to place your windmill first. You need to find the place, where the wind is the strongest, for the windmill...

Soap That Lasts Materials Required: An adult Paper and pencil Four small chunks of different brands of soap Four pieces of paper Four glasses of lukewarm water Soap comes very handy in bathing, washing and cleaning. There are many brands that endorse soap in the market today. Some are good while others are not. Today, we are going to find out which soap lasts the longest with the help of this...

Tracking the Animals Materials Required: An adult An outdoor area Earth is home to many living beings. Even though some animals are extinct today, we can conclude that they lived many years ago. Assuming you can prove that a few of them have been around your house, yard or neighbourhood, collect evidence of their presence and make a list. A few tips would be to look for animal hair on the...

Saving Energy at School Materials Required: Your school custodian A local builder Paper and pencil Try to find out, is your school using energy efficiently. If not they are wasting valuable resources thereby increasing the schools expenses which affects not only your family but the community too. Start a research into these energy leaks with the help of your school custodians. Enquire about the status of insulation in school buildings, how...

Saying Energy At Home Materials Required: The place where you live The people who live in your house or apartment Pencil and Paper Electrical energy is being used to run almost all appliances in our homes, these days. How can you make energy saving a way of life with people you live with. Energy needs to be conserved at all time and the first place you begin with is your home....

Polluted Air Materials Required: An adult with a kitchen knife Fresh onion A dinner plate Lemon juice Air pollution leads to unpleasant smell in the air. Some foods have an unpleasant smell. Have an adult cut a slice of fresh onion and place it on a dinner plate. Hold it upto your nose. Is the strong smell unpleasant? Does it make your eyes water? Pour a cap full of lemon juice...

Understanding Decomposition Materials Required: Two chicken bones with scraps on them Colander Brick Clothespin Plastic sandwich bag Refrigerator freezer Animals, big, small or tiny eat food and help break it down. After your family has eaten a chicken at dinner, take two similar leftover bones (such as drumsticks or thigh bones) that still have some chicken on them. Put one of the leftover bones in a plastic sandwich bag and store...