Which Brand of Air Freshener is Most Cost Effective?
Students use scientific method to determine cost-effectiveness of air freshener, and create PowerPoint presentations to share their results.
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Weather Fronts—Movement of Cold and Warm Air
On a hot summer day, in a two-story home with no air conditioning, the coolest place is in the basement and the warmest place is on the second floor. See how warm air rises and cool air sinks through a hands-on activity. Class...
9th - 12th Science CCSS: Designed
Using a cut-out template of a whirligig, emerging engineers experiment with flight behavior. After you teach them the concepts of force, air resistance, and lift, they discuss what variables on the whirligigs might be changed in order to...
6th - 8th English Language Arts CCSS: Designed
New Review Purification of Air-freshener
Most objects must go from solid to liquid before changing to gas, but a few special solids can go from solid to gas and vice versa. The third instructional activity in a seven-part series shows scholars how this is possible. Using a...
9th - 12th Science CCSS: Adaptable
Is There a Center of the Universe?
The history of our understanding of the center of the universe is explored through this film. The ideas of Aristotle, Copernicus, Bruno, Descartes, and Herschel are included, as well as the new discoveries that have helped the theories...
4 mins 6th - 12th Science CCSS: Adaptable