We found 661 resources with the concept density
Separating Mixtures: How We Concentrate Natural Materials
6th - 9th CCSS: Adaptable
New ReviewHow do miners isolate the substance they're looking for from a big pile of rock? Through an insightful lab, science scholars learn how to use their observation skills to identify physical properties that scientists use to separate...
Gimli Glider—Anecdotes for Chemistry Teachers
6th - 12th CCSS: Adaptable
New ReviewWhat's the moral of this story? Units save lives! Teach measurement conversion through storytelling in a quick math-based lesson. Young scientists learn how one country's decision to swap from imperial to metric standard units caused an...
Why is the Universe Flat?
6 mins 10th - Higher Ed CCSS: Adaptable
British astronomer Sir Fred Hoyle first coined the term the Big Bang in 1950. The theory explains much of what we have observed in the universe, but it does leave some things unexplained. The video discusses the Cosmic Inflation theory...