CK-12 Foundation
Microscopes: Focal Point
The 1590s saw the invention of the first compound microscope. Scholars learn about how microscopes work and how to properly focus one. The lesson stresses the science fields that use microscopes and the difference between electron...
Curated OER
Electron Microscope
For this microscope worksheet, students use an on line site to answer questions about how a Scanning Electron Microscope works. They also conduct a virtual microscope activity where they view ten specimens and identify what each is.
CK-12 Foundation
Flashlight
In a simple circuit, does electricity start instantly? A simulation encourages thinking about the flow of electrons at a microscopic level. Pupils control the voltage, resistance, and switch in order to observe the change in both ideal...