Lesson Plan
Curated OER

Elastic Recoil in Arteries and Veins

For Teachers 9th - 12th
A lab in which high schoolers examine the difference between arteries and veins. Budding biologists will find out which blood vessel can stretch furthest, recording their data in a table then answering several questions evaluating their...
Lesson Plan
Curated OER

Investigating Mitosis in Allium Root Tip Squash

For Teachers 7th - 12th
Preparing the root tip samples is the most challenging part of the mitosis-viewing lab found here, but the directions help ensure you have everything you need. There is no worksheet included; however, there is a sample data table....