Humans ingest approximately 1-5 mg of strontium everyday! An interesting video describes how scientists use the element strontium to learn about people. The narrator explains  where strontium is found and how it gets into and builds...

Scientists are working on creating and verifying element 120 which would change the appearance of the periodic table. A short video, one in a series of 48, which explores Mendeleev's Periodic Table. The narrator shows how Mendeleev...

The helium in a balloon comes from the radioactive decay of the elements thorium and uranium. Video two in this series of 48 explores the element helium. The narrator discusses how humans use it, where it is found, how the United States...

What exactly can we tell about an unknown substance by its properties? is the driving question of this physical science video focusing on matter. Here, scholars find the answer to the big question via investigation of what lies...

Gain insight into how scientists group materials based on their properties, such as conductibility and malleability, with this informative and engaging video. First, molecules, atoms, substances, and elements are reviewed, then...

This lesson shows students that sometimes they will deal with several sets at once. It is 5 of 9 in the series titled "Multiple Sets."

This lesson shows students that sometimes they will deal with several sets at once. It is 8 of 9 in the series titled "Multiple Sets."

This lesson shows students that sometimes they will deal with several sets at once. It is 1 of 9 in the series titled "Multiple Sets."