Activity
It's About Time

Energy Flow in Ecosystems

For Teachers 7th - 12th
Emerging biochemists more fully understand the flow of energy in ecosystems as they explore the laws of thermodynamics and relate them to energy transfer in food chains. They also investigate heat loss from the human body and how...
Handout
National Institute of Open Schooling

Atomic Structure

For Students 7th - 12th Standards
Learners explain historical findings such as Rutherford and Bohr's contributions, explain wave particle duality, and formulate Heinsenberg's uncertainty principle. They also draw s, p, and d orbitals, explain more historical findings,...