Quantum Dots
This lab, presented by the National Nanotechnology Infrastructure Network, covers the concept of behavior of particles on the nanoscale. Students will learn about exploring the absorption and reflection of light "based on energy levels that are determined by size and bonding arrangements of the materials." A Teacher Preparation Guide, Student Guide, a YouTube video, and Next Generation Science Standards applicable to the lesson are included.
Discussion of holes in the stratospheric ozone layer usually revolves around investigations of the thickness of the layer near the South Pole. This online...
This lesson points out that the motion of objects (velocity or acceleration) is almost never constant, and applies this idea to the motion of a person walking....
This lesson introduces students to the basics of nuclear energy production. Topics include radioisotope thermoelectric generators, natural decay of radioactive...
This lesson reinforces the idea that Earth's population, including the population of the United States, is growing at a dramatic rate. It discusses some of the...
This lesson builds upon the previous two (Newton's Second Law and the First Law of Thermodynamics) by explaining that conservation of energy is not perfectly...
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Students who earn associate degrees average lifetime earnings of $250,000 more than people without such degrees.
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