Elements 1-25 Word Search Puzzle
In this chemistry word search worksheet, students locate 25 chemical elements hidden in the puzzle. They locate the elements which are listed in the word bank at the bottom of the page.
12th - Higher Ed Science 5 Views 6 Downloads
What Triggers a Chemical Reaction?
Chemical reactions are happening all around us every second of every day, but what exactly causes these changes to occur? Using easy-to-understand analogies, this video explains how the concepts of enthalpy and entropy determine the ways...
4 mins 9th - Higher Ed Science CCSS: Adaptable
The Genius of Mendeleev's Periodic Table
The author-narrator refers to the periodic table of elements as a "massive slab of human genius," then goes on to explain Mendeleev's development of this foundational chemistry tool. Why was his version so much better than others that...
4 mins 4th - 12th Science CCSS: Adaptable
Solving the Puzzle of the Periodic Table
Did you know that the first time someone isolated a pure element was when Henning Brand boiled down his own urine in 1669 and unknowingly discovered phosphorus? The history of our current periodic table of elements is entertainingly...
4 mins 8th - 12th Science CCSS: Adaptable