The intention of all this effort is to view the outreaching effect of a small amount of pollution on a stream and its wildlife.Things Required:1 gallon (4 litre) glass jarMeasuring cup (250 ml)Red food colouring Directions:Pour one-half cup of water into the gallon (4 litre) jar. Add and stir in two drops of food colouring. […]
You will need: Matchsticks Paper clip (with norubber coating) Pin Small squares ofaluminium foil Rockets are fun to play with, so why not make your very own rocket out of simple matchsticks? Create a tiny rocket of matchsticks and see Newton’s Laws of motion in action. INSTRUCTIONS Take a matchstick and cover the head very
You will need: Coin Transparent glass Water We all have seen tricks where coins appear out of ears, noses and even from thin air! What if you could make a coin disappear in thin air? INSTRUCTIONS Take a coin and place it on the table. Place a transparent glass over the coin. If you look
This experiment shows you the horrible effects that polluting detergents can have on birds.Things Required:1 quart (1 litre) clear glass bowlMeasuring cup (250 ml)Liquid oilPowdered washing detergentMeasuring spoon-teaspoon (5 ml) Directions:Pour 1 cup of water into the bowl. Add 1 spoon of liquid oil. Observe the surface of the water. Sprinkle 2 spoons of powdered
Purpose : to determine the effect of plastic garbage pollution on sea animals.Things Required:Rubber band Directions:Hook one end of the rubber band around your little finger. Stretch the rubber band across the back of your hand and hook the free end on your thumb. Try to remove the rubber band without touching anything.Seals and fish
You will need: An old CD A pop-top cap of anysports bottle ordishwashing soap bottle A 9″ balloon Feviquick or any otherinstant glue Do you want to see how a hovercraft works? Well, you can create your very own hovercraft at home with just a few simple objects. INSTRUCTIONS Make one or two holes in
What happens if we add baking powder to an acid?Things Required: 2 half-filled glasses sour milk or orange or lemon juice1/2 teaspoonful of baking powder1/2 teaspoonful of baking sodaDirections:Add baking powder to one of the half-filled glasses of sour milk and baking soda to the other glass.This Is What Happens:The sour milk with the baking
The intention of this experiment is to determine why the shape of a bird’s wing is important for flight.Things Required:Scissors1 sheet of notebook paperRuler Directions:Cut a one-inch (2½ cm) strip across the sheet of notebook paper. Hold one end of the paper against your chin, just below your bottom lip (see the diagram). Blow across
How is baking powder different from baking soda?Things Required: 2 glasses of water1/2 teaspoonful of baking soda1/2 teaspoonful of baking powder Directions:Add the baking powder to one glass of water. Add the baking soda to the other.This Is What Happens:The water with the baking powder bubbles. The water with baking soda does not.Science Behind It:Baking
Why do desert animals spend their day underground? This is explained in this experiment.Things Required:2 outdoor thermometersTrowelWhite towel Directions:Dig a hole 4 inches (10 cm) deep and large enough to insert one thermometer. Cover the hole containing the thermometer with the towel. Lie the second thermometer on top of the ground. Wait for 5 minutes
Baking soda is sodium bicarbonate, sometimes called bicarbonate of soda. Some people use it for brushing their teeth, for absorbing refrigerator odours or as an antacid for indigestion!But we can also use baking soda to puff up bread and cake. Things Required:2 teaspoonfuls of baking sodaA glass of orange juice or lemonadeA glass of waterDirections:Add
How camels can live in the desert for weeks without drinking water. There is the answer.Things Required:Hand mirror Directions:Breathe onto the mirrorThis Is What Happens:The mirror becomes fogged with tiny droplets of water.Science Behind It:Exhaled breath of humans as well as camels contain water vapour. Some of the water in breath goes into the air,
Yeast consists of tiny living cells that make carbon dioxide as they breathe. Its bubbles puff up not only bread and cakes but also pizza. With the dough from the last experiment, you can see just what a difference yeast makes!Things Required:Dough #1 from the previous experimentDough #3 from the previous experiment2 cookie tins or
Some like it hot, some like it cold, but yeast likes it just right!Things Required:2/3 cup (160 ml) of warm water2 tablespoonfuls of sugar1 package of dry yeast3 mixing bowls (or cereal dishes)Plastic chopping boardA felt-tipped pen, paper, scotch tape3½ cups (392 g) of flour2 tablespoonfuls (30 ml) of oil (olive or corn oil) 150