Grade Level: 5 - 12
Age Range: 10 - 18
Lesson Length: 1 class
![BrainU Winona participants working with microscopes](https://brainu.org/sites/brainu.org/files/images/cns_winona.jpg)
Scientists regularly use microscopes, recording their observations in a lab notebook. Students view slides of brain tissue under a microscope then describe and identify brain and neuron structures resulting from their observations.