In this demonstration, students will see how an antibody can disable antigens to help eliminate foreign invaders from the body and prevent humans from getting sick.
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Teacher Demo: Greenhouse Effect
Categories: Teacher Demonstration
This demo demonstrates the greenhouse effect by comparing the air temperature of a room with the air temperature inside a clear plastic bag containing black construction paper. The bag models the... read more
Teacher Demo: Invisible Ink
Categories: Teacher Demonstration
In this demonstration, a chemical reaction is used to make a hidden message visible. The demonstration illustrates an entertaining application of chemical reactions in toys and everyday objects. It... read more
Teacher Demonstration: Carbon Use by an Aquatic Plant
Categories: Teacher Demonstration
This activity demonstrates the use of carbon by an aquatic plant. The process of photosynthesis can be represented by the reaction: CO2 + H20 + light _ C6H12O6 + O2. There are two distinct steps: the... read more