We are most accustomed to making observations directly with our eyes. Students therefore often find it conceptually challenging to comprehend the reasoning and logic used by scientists studying atoms that they cannot directly see. This activity allows the students to practice making logical inferences in an experiment with very similar principles to that of RutherfordÕs famous gold foil experiment.
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Ener-GEE!
Categories: Lab/Student Activity, Lesson Plan
The students and teacher will go for a walk in the schoolyard or community, looking for different forms of energy (sun, wind, gas, electrical, food). This will be a shared experience that will become... read more
Teacher Demo/Student Activity: Limit to Cell Size
Categories: Lab/Student Activity, Teacher Demonstration
Cells require a constant supply of glucose and oxygen to produce energy. Cellular respiration occurs in the mitochondria of a cell. As a result of this process, large quantities of waste carbon... read more
Student Activity: Refraction of Light - Disappearing Penny
Categories: Lab/Student Activity
This demonstration serves as a superb introduction to the refraction of light. Students place a penny underneath a plastic cup. While viewing the penny through the side of the cup, they slowly fill... read more
