PPT
Curated OER

Nuclear Reactions

For Teachers 9th - 12th
Starting with a recap of atomic structure, these slides continue by comparing different isotopes of uranium and explaining which are stable and which have a decay period and emit alpha or beta particles. Gamma decay is just mentioned on...
PPT
Curated OER

Tour of the Cell 1

For Teachers 9th - Higher Ed
Each of these slides deals with an individual organelle and displays a diagram along with labels of the structures. The most useful components of this slideshow are the summaries of functions and descriptions of how the organelles are...