Worksheet
Curated OER

Writing Formulas by Crossing Over

For Students 10th - 11th
In this formulas worksheet, students use the cross-over rule to determine the formula for compounds of the elements and polyatomic ions given. Students complete 15 problems.
Lesson Plan
Curated OER

It's Not Easy Being Green

For Teachers 7th - 12th
Students complete a unit that focuses on their school's waste production. They conduct a litter survey, collect the waste produced in their classroom for a week and generate a waste-audit, and identify how their school can minimize...