Curated OER
Acid Rain Effects
Get out the goggles and conduct a simple experiment to model and explore the harmful effects of acid rain (vinegar) on living (green leaf and eggshell) and non-living (paper clip) objects. Young chemists observe and describe the harmful...
Curated OER
Chalk Fizz
Little chemists observe the effects of acid on calcium carbonate as an example of chemical change. As a demonstration you will place a raw egg in vinegar overnight, and as a lab activity, learners drip vinegar onto a piece of chalk....
Curated OER
Dental Chemistry Analogy
After taking in background information on teeth, marble, eggshell, and fluoride, chemistry aces design an experiment. Their goal is to demonstrate whether or not fluoride has a similar effect on marble or eggshell as it does on tooth...
Curated OER
Pesticides and Eggshell Thinning.
Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.
Curated OER
Alchemy and Chemical Symbols
In this alchemy learning exercise, students read about how alchemists kept their experiment notes in secret code. Students design their own secret code for the given elements. This learning exercise has 2 problems to solve.
Curated OER
The Crest Egg-Speriment
Students explore the effects of using proper dental hygiene. In this toothpaste experiment lesson, students use eggs, vinegar and crest toothpaste to determine the consequences of plaque on teeth and the effectiveness of toothpaste.
Curated OER
What Is an Egg Without its Shell?
Students observe osmosis, a cellular process that normally can't be observed without a microscope, and use scientific method to observe osmosis in a chicken egg.