This student activity is designed to explore the concept of work. Using inclined planes with different slopes, students are lead to discover the invariance of force times distance for objects starting at the same...
This student activity is designed to help students understand the concept of power. The energy required to climb stairs, and the rate at which students can do this, illustrates this concept. The energy requirements for...
This paper, presented at the 2001 Physics Education Research Conference, discusses an investigation which aims to provide a research base for the design of instruction to help students develop expertise in solving...
This activity describes the basic structure of an atom using an edible model and explains the quantum mechanical nature of the atom. For example, originally, each electron orbital was pictured as having a specific...
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