Lynn Folk WMC 521

Drop In #1

Measuring Tree Circumference

Introduction:

Students will be able to use the Frederick County Outdoor School website to get information needed for the 2 day field trip to study water quality and wetlands.

Problem:

What is the procedure to measure tree growth?

Click on the tree to take you to the Outdoor School website.

Circumference is a math term that means the distance around

1. What is the term used to describe the circumference of a tree?

Read the information to determine what measurement units will be used to measure the circumference of a tree?

2. What materials are required to perform this test?

3. The tree circumference is recorded in ____________.

In science, it is important to standardize procedures.

4. What step in this procedure assures that all students will be measuring a similar place on every tree?

5. Why is this important?