Atomic Theory

For this atoms worksheet, students complete a graphic organizer by filling in the number of atoms, number of electron pairs, number of long pairs, bond angle, and molecular shape.

In this atomic theory learning exercise, students complete a paragraph describing the development of the atomic theory by filling in the blank with 21 terms.

Demonstrate the particle theory of matter to high school scientists with an engaging experiment that allows them to visually see the results as substances change from one state to another. The class concludes with a discussion about how...

Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...

How do you prove the existence of something you can't see? For Albert Einstein, a liberal application of math usually did the trick! Physics scholars discover the relationship between atomic size and the motion of larger particles...

"I would rather have questions that can't be answered than answers that can't be questioned." - Richard Feynman. The video by Veritasium presents one of these questions, proposed by Feynman, along with his answer. It discusses the...

This is a tremendous overview of the tiny atom. Journey through the history of human understanding of this basic building block of matter. Examine each of the sub-atomic particles in detail: neutrons, protons, electrons, quarks. Peruse...

From ancient Greek philosophers to early American Quakers, people have sought to understand the composition of matter for millennia. Follow along with this video as it explores the long scientific journey that eventually led to the...

The heartbreaking story of Alfred Wallace's loss of collected evidence opens this documentary about the development of the theory of evolution. You will find supportive resources to use with the movie in your biology class.

Explore the idea of an atom through a short video lesson. The instructor describes an atom and its connection to an element. By comparing atoms to a room of balloons, the video emphasizes that if an atom is cut in half, it no longer has...