How Dense Is it?
Students determine the density of a concrete sample. They explore the effect of various types of aggregates on concrete's density. Students fill in charts and analyze collected data. They answer questions about their experiment.
7th - 12th Science 3 Views 1 Download
Investigating How Electricity is Generated
What is the real cost of electricity? The real cost is not just the price you pay, but the environmental and economic costs as well. Scholars build, use, and judge the effectiveness of a turbine. They also investigate the environmental...
9th - 12th Science CCSS: Adaptable
Energy and Biomass Pyramids
Young scientists play tag as they act out the food pyramid in the ocean ecosystem. Energy circles pass from the smaller prey to the predators and at the end of the activity, a data chart and analysis questions allow pupils to apply their...
6th - 10th Science CCSS: Adaptable
Feedback Loops: How Nature Gets Its Rhythms
Explore the role of feedback loops in maintaining nature's delicate balance with this short science video. Introducing the concepts of positive and negative feedback, multiple examples are presented that explore the intricate web of...
5 mins 7th - 12th Science CCSS: Adaptable
Just How Small Is an Atom?
Using a massive cartoon blueberry as an atom model, an animated astronaut describes an atom's anatomy and the density of its nucleus. After showing this featurette, you can have young physical scientists construct atom models. Also, be...
5 mins 5th - 8th Science CCSS: Adaptable
Is Space Trying to Kill Us?
Taking somewhat of a humorous, paranoid viewpoint, this video explores the question of whether or not space objects are likely to take us out. From asteroids, to the sun dying out, to the Milky Way's supermassive black hole, the...
4 mins 6th - 10th Science CCSS: Adaptable