Curated OER
Trees: Are They Thriving or Surviving?
In this trees survival lesson plan, 8th graders discuss what trees need to grow, brainstorm things that could adversely affect tree growth, and compare characteristics of thriving trees vs. surviving trees. Students learn about the trees...
Curated OER
Science: The Age of the Redwoods
Students discover how to estimate the age of redwood trees. They measure the trees' diameters by using string to calculate the circumferences. Students conclude by discussing the science of dendrochronolgy.