This demonstration results in the isolation of DNA from banana. It is very useful for students to see DNA to bring some sense of physical reality to what can be a very abstract topic.
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Teacher Demo: Packing Peanuts
Categories: Teacher Demonstration
There are many different kinds of polymers, both natural and synthetic. Polymers are widely used and have many practical applications based on their properties. They are often strong and chemically... read more
Teacher Demo/Student Activity: Disappearing Beaker
Categories: Lab/Student Activity, Teacher Demonstration
This demonstration will amaze and astound! As you pour vegetable oil into a small Pyrex beaker placed inside a larger Pyrex beaker, the smaller beaker will magically disappear! It could be a teacher... read more
Teacher Demo: Photosynthesis and Respiration: Complementary Processes
Categories: Teacher Demonstration
The cells of green plants contain the pigment chlorophyll in organelles called chloroplasts. Chloroplasts capture the Sun’s energy and store it―through photosynthesis―as chemical energy. The... read more