Cold Spring Harbor Laboratory
DNA Words Are Three Letters Long
DNA writes 64 different words but only codes for 20 different amino acids. Budding scientists learn about where each of these numbers come from and why they aren't equal with an online interactive. The resource explains the research, the...
Alabama Learning Exchange
The Causes of Pollution
Learners identify types of pollution. In this environmental lesson, learners view a video and discuss the types of pollution. Learners create a poster to suggest ways to prevent pollution.