Do ants produce acid when antagonised?
Make your own indicator paper and try this. Some stinging insects spray formic acid into the air when threatened. Find an anthill, step on it lightly to disturb the ants, without getting stung place a piece of indicator paper over the ants.
How are roads and pavements made? Can you simulate this using chocolate?
I wanted to develop a hands-on activity related to my field of interest -- civil engineering with an emphasis in pavement and materials. Asphalt cookies were the perfect solution. Asphalt cookies are chocolate no-bake cookies. The process of making these cookies parallels the procedures used to produce asphalt pavements.
How to make a rocket using common cooking ingredients
Use baking soda and vinegar to create a chemical reaction which launches a rocket (a film canister) sky high.
How to make a baking soda volcano
You can create quite a fizzle by mixing baking soda/sodium bicarbonate - a base with vinegar/acetic acid. Well.. it's theoretically 'edible' but I wouldn't recommend tasting it (yuck!).
A really simple but cool experiment using raisins and soda water!
How to make a vegetable oil tanker
This activity shows you how to make an oil "tanker' which can be used to clean up a vegetable oil "spill".
Which Parent Affects Fingerprint Pattern Types More?
The purpose of my project is to find out if the male parent or the female parent affects the offspring's fingerprints more.
Can the Purple Loosestrife, a foreign plant be destroyed by introducing its natural enemies without damaging agricultural crops?
Examine ways for the biological control, of a foreign plant, with its natural enemy without harming the native plants of North America. To determine if any stage in the beetle, Galerucella calmariensis and Galerwcella pusilla life cycle will feed only on purple loosestrife, Lathrum salicaria, or if it will feed on agricultural crops in North America.
How to grow your own yeast fungus
The yeasts are one very important group of fungi. The common yeast used in baking bread grows very fast. You can complete an experiment in two days! The basic idea in this method is to measure the amount of carbon dioxide (CO2) released during the growth of yeast.
What are the most effective cleaning agents for our teeth?
The hypothesis is baking soda, salt, hydrogen peroxide, and water will be the best stain remover (and the least expensive) because they are all good cleaning substances.