Sahil

In this easy experiment, we will try to examine the camouflaging technique of animals.Things Required:Red, transparent, plastic folderPale yellow crayonWhite typing paper Directions:Draw a bird on the white paper with the yellow crayon. Cover the drawing with the red folder.This Is What Happens:The yellow bird disappears.Science Behind It:Both the yellow bird and red folder are […]

In Wonderland, Alice ate a little pill and grew and grew and grew. Do you suppose it was made of yeast?Things Required:1/4 cup (60 ml) of warm water1 tablespoonful of sugar1/2 package of dry yeast2 bowls3½ cups (392 g) of flourA measuring cup3/4 cup (180 ml) of waterPinch of saltWax paper or plastic wrapDirections:Put the

The purpose of this unique experiment is to determine if earthworms respond to different light waves.Things Required:Earthworms (purchase at a bait shop)2 torchesRed cellophane2 shoeboxes with lidsTapeScissorsPaper towelsNotebook paperDirections:Prepare both shoeboxes by putting a circular hole in one end of each lid. The hole should be smaller than the end of the torch. Tape notebook

Yeast, a tiny colourless plant, has been used for thousands of years to put air into breads and cakes.Things Required:Warm water3 glasses2 tablespoonful of sugar (brown or white) or honey or molasses2 tablespoonfuls of flourA pkg of dry yeast or a cake of compressed yeastAdhesive tapeA felt-tipped pen Directions:Pour 2/3 of a cup of warm

Have you ever noticed that earthworms surface during a heavy rain? Lets find out why they do that.Things Required:Container of earthworms and soil (can be purchased at a bait shop)One-half cup (125 ml) of aquarium gravel (purchase at a pet store) Directions:Pour water into the cup containing the gravel until the water covers the gravel.

Let’s produce an environment suitable for earthworms.Things Required:1 quart (litre) jar2 cups (500 ml) of soil1 cup (250 ml) humus (partially decayed leaves and roots)Earthworms (from a bait shop or dig your own)Apple peelingsDark construction paperrubber band Directions:Pour the soil into the jar. Moisten the soil with the water. Sprinkle the humus over the soil.

Have you ever wondered which one end of an earthworm is more sensitive to odours. Let’s find out.Things Required:Earthworms (purchase at a bait shop or dig up your own)Paper towelCotton ballsFingernail polish removerDirections:Place several worms on a paper towel moistened with water. Wet the cotton ball with fingernail polish-remover. Hold the wet cotton ball near,

Would it surprise you to find out that your body converts starch to sugar?Things Required:A pinch of cornstarch or a small crackerDirections:Place the cornstarch or the cracker on the tip of your tongue. Mix it with saliva and let it stay for a while.This Is What Happens:At first, it doesn’t taste sweet on the tip

The purpose is to demonstrate how some sea organisms, such as sea anemones, secure themselves to rocks.Things Required:Suction cup (the type used to secure hanging crafts to windows works well)Rock Directions:Wet the suction cup and press it against the rock. Pick the rock up by holding onto the suction cup.This Is What Happens:The suction cup

The way you mix batter or dough influences the amount of gluten, that you develop, and whether the baked goods will be spongy or flaky, coarse or fine, tender or tough.Things Required:1 cup (112 g) flour2 eggs1 tablespoonful of (15 ml) oil1 cup (240 ml) milk1/2 teaspoonful of salt (optional)Muffin tinsDirections:Preheat oven to 450°F (232°C).Beat

In this experiment, we will see how fish cells respond to fresh and salty water.Things Required:SaltMeasuring spoon-teaspoon (5 ml)2 shallow bowls1 small cucumberMasking tapeMarkerDirections:Fill both bowls one-half full with water. Stir 1 spoon of salt into one of the bowls; label this bowl salt using the tape to make the label.Ask an adult to cut

Most flour in English-speaking countries is made from wheat. There are two types of wheat-hard winter wheat and soft spring wheat. Soft wheat has more starch in it. It is made into soft, powdery cake flour and products that are meant to be tender and crumbly. Hard wheat, with more protein and less starch, is

How old is a fish? Can we determine the age of a fish? Let’s try.Things Required:Hand lensFish scales (collect fish scales from a local fish market)Dark paper Directions:Place a dried scale on the dark paper. Study the ring pattern on the scale. Count the wide, lighter bands.This Is What Happens:The number of wide bands equals

Purpose : to determine if temperature affects the movement of a fish’s operculum and mouth.Things Required:Aquarium with goldfish (or other small fish)Large-mouthed jarFish netThermometerLarge bowlIceDirections:Fill the large-mouthed jar with water from the aquarium. Use the net to transfer a fish to the jar.Allow the fish 30 minutes to adjust to its new environment. Count and

The life-cycle of a fly can be an interesting subject to observe.Things Required:1 quart jar (1 litre)Nylon stockingrubber bandBanana Directions:Peel the banana and place the fruit inside the open jar. Leave the jar open and undisturbed for 3 to 5 days. Observe the jar daily. When 5 to 10 small fruit flies are seen inside