Age range: 6–12Time: 20–40 minutesConcepts: forces, compression/tension, engineering design Goal Discover how folding and shaping paper changes its load-bearing strength. Materials 10–15 sheets of plain printer paper 2 equal-height stacks of books (supports) Coins or small washers (weights) Ruler and pencil Tape (optional) Safety No special risks. Supervise younger kids around stacks of books so …

Paper Bridge Strength ChallengeRead More »

OIL SPILL AND ITS EFFECTS Every now and then, an oil spill happens. The news shows us devastating videos of oil covered animals and oil saturated oceans. It is always a heartbreaking event, yet not everyone understands how dangerous an oil spill can get. Hopefully, by the end of this activity, you will be able …

The Effects of an Oil Spill on the EarthRead More »

When you have too many seasonal fruits in your kitchen, you often want to taste them all at the same time. There are times when you pick a bunch of them and peel them all at the same time for convenient eating. Yet, have you ever thought that peeling the fruit removes its first layer …

Does Peeling Fruit Make it Deteriorate Faster?Read More »

Batteries from veggies

    Ok, the above image is a bit of an exaggeration, but batteries do generate electricity (so to speak) by using two dissimilar metals and an electrolytic solution. This is the same principle that is used to turn veggies into batteries since vegetables and fruits are filled with natural electrolytic material, the most important …

How to Turn Veggies into BatteriesRead More »