Critical Load

Students analyze critical load and how to reinforce the design of a structure to hold more weight. They examine basic structures and which materials to select. They create a prototype to hold more and more weight.

Every great chemistry teacher has a stoichiometry toolbox full of lessons designed to chisel away at misconceptions and confusion. It's time to make room for something new! Incorporate a brief but detailed video that walks junior...

Do your young scientists love a good brain teaser? A video from an extensive physics playlist introduces a creative way to work those critical thinking skills. Watch as the host works through the scenarios that involve logic, statistics,...

Even the titles of many published scientific journal articles confuse most people. The third video in the four-part series breaks down a very complex-sounding scientific journal article. The host avoids using jargon without losing the...

It's almost impossible to imagine living without electricity, but it isn't that long ago that was the norm. An informative video lesson briefly discusses each important discovery related to electricity. The narrator highlights each...

What were the first living things to travel to space? Long before humans went into orbit, scientists sent animals into space to see how space exploration would affect living things. Viewers of an interesting video learn about how animals...

What happens when the earth reaches its carrying capacity of humans? As human populations grow, societies change from hunters and gatherers to agriculture to the industrial age and beyond. A video takes a global perspective of migration...

Explore the current political debate over regulating power plant emissions. Critical thinkers research, formulate, and present arguments regarding selective catalytic reduction systems for coal-burning plants.

Students are introduced to the principles of gel electrophoresis and also provides an opportunity for students to practice loading gels and prpetting. In this laboratory activity, food color is used to separate into constituent pigments.

In the second of three lessons about climate change, young climatologists examine the local impacts of severe storms and drought on roads, rivers, buildings, and more. Through a series of investigations, learners begin to understand the...