April 2022

In this experiment, you will make a white insoluble gel. Things Required:1/2 teaspoonful of alum2 teaspoonfuls of household ammonia1 small baby food jar Directions:Fill the jar one-half full with water. Add 1/2 teaspoonful of alum to the water and stir. Stir in 2 teaspoonfuls of ammonia. Allow the solution to stand for five minutes. This

Can you remove the shell from a raw egg without breaking it? Bet you can after you have performed this tricky experiment. Things Required:1-pint glass jar with a lid1 raw egg1 pint of clear vinegar Directions:Place the whole raw egg into the glass jar. Do not crack the egg. Cover the egg with the clear

The molecules of air can even stop paper from getting wet in a glass of water. Things Required:A small glassA napkin or paper towelGlass bowlWater Directions:Crumple the paper and place it in the bottom of the glass. Make certain it is tight so that the paper may not fall out. Fill the bowl with water.

Purpose to observe the effect that protective coatings have on the rusting of steel wool. Things Required:1 steel wool soap padScissorsPlate1 sheet paper toweling1/2 cup of vinegar pencil Directions:Cut the steel wool pad into four equal parts. Run warm tap water over two of the pieces to remove as much of the soap as possible.

Why do newspapers turn yellow or age after some days? Find out yourself in this experiment. Things Required:NewspaperAutomobile Directions:Lie a piece of newspaper in an automobile so that the sun’s rays may hit it. Leave the paper in the car for five days. This Is What Happens:The newspaper appears to have rapidly aged. It changes

The molecules of air not only take up space, but also stop water from entering a bottle. Things Required:A funnelA small, narrow-neck bottleA small piece of clayA glass of water Directions:Place the funnel in the bottle. Roll a small clay rope and fit it around the funnel in the bottle neck. Press the clay rope

Have you ever wondered why coloured clothes fade when they are bleached? What is the effect of dry bleach on colour? Things Required:Small baby food jarRed food colouringPowdered bleachTeaspoon Directions:Fill the jar with water. Add one drop of food colouring; stir. Add and stir in one teaspoonful of powdered bleach. Wait for 15 minutes. This

Purpose to observe the magical disappearance of a colour. Things Required:Red food colouringBleachEyedropperSmall baby food jarWarning: An adult’s supervision will be needed in handling bleach. If the bleach spills, clean the area immediately with water. Directions:Fill the jar one-half full with water. Add two drops of food colouring to the water and stir. Use the

Can you place a banana in a bottle without using your hands? Amaze your friends with this party-trick science experiment. Watch carefully, because the banana is quicker than the eye in this split-second surprise. Moreover, it all has to do with molecules and air. Things Required:1/2 banana, peeledTea kettle with boiling waterA clean, long, narrow

In this simple but easy experiment you will investigate the effect that oxygen has on the darkening of a fruit. Things Required:AppleVitamin C tablet Directions:Cut the unpeeled apple in half. Crush the vitamin C tablet and sprinkle the powder over the cut surface of one of the halves of the apple. Allow both the sections