Worksheet
Curated OER

Chemistry Equations

For Students 10th - 12th
In this chemistry worksheet, students balance the list of equations given using their knowledge of the Periodic table. There are 27 equations to solve on the sheet.
Lesson Plan
Curated OER

Primary Producers

For Teachers 6th - 8th
Students examine the role of carbon in the oceans and how phytoplankton determine the levels present. In groups, they practice measuring primary productivity using two methods. They use the internet to research the role of phytoplankton...