+
Lesson Plan
Curated OER

pH and Red Cabbage Juice

For Teachers 6th - 8th
Students review properties of materials and define what pH tells them about matter.  In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.
+
Lesson Plan
Curated OER

Differential Equations and Population Growth

For Teachers 9th - 10th
Students determine the size of the population at a given time. They calculate the time at which the population will be a given number. They observe how the population grows at the rate that is directly proportional to the number of...