![Catch the Science Bug: Measuring the Age of Trees [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Catch the Science Bug: Measuring the Age of Trees [Pdf] Activity")
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Catch the Science Bug: Measuring the Age of Trees [Pdf]
Following the instructions, measure the trees in your yard to find their age, then record the findings on the data collection sheet.
National Council of Teachers of Mathematics
Nctm: Figure This: Big Trees
What tree is big enough for a car to drive through? Figure it out with this NCTM math challenge on measurement. Find out why understanding measurement is important in everyday life. A one page activity from the NCTM Math Challenges for...
University of Maryland
Maryland Sea Grant: Dendroclimatology
This is a set of lessons where students investigate tree rings and what scientists can learn from them. They measure tree rings and correlate the data to precipitation patterns in order to make predictions about the climate. For an...
CK-12 Foundation
Ck 12: Indirect Measurement
[Free Registration/Login Required] Students use similar triangles to determine the height of the base of a tree house. Click learn more to watch a video and click challenge me to answer a practice question.
Other
Foresty Suppliers: Using Forest Densiometers [Pdf]
Explains what a forest densiometer is, its history, and its use as a tool to measure forest overstory density, i.e., the area percentage that a tree canopy covers.
Other
Elms Environmental Education Center: How to Use a Clinometer
Offers instructions in how to use a clinometer, an instrument used by foresters for measuring angles in order to determine the height of a tree. The mathematics behind a clinometer is also explained.
TeachEngineering
Teach Engineering: Topo Triangulation
In this activity, students will learn how to read a topographical map and how to triangulate with just a map. True triangulation requires both a map and compass, but to simplify the activity and make it possible indoors, the compass...
TeachEngineering
Teach Engineering: You've Got Triangles!
Students learn about trigonometry, geometry and measurements while participating in a hands-on interaction with LEGO MINDSTORMS NXT technology. First they review fundamental geometrical and trigonometric concepts. Then, they estimate the...
Science Buddies
Science Buddies: Do Oranges Lose or Gain Vitamin C After Being Picked?
Are oranges highest in vitamin C when they are fresh from the tree (or, in a pinch, the grocery shelf)? In this project you'll learn how to measure the amount of vitamin C in a solution using an iodine titration method.
PBS
Pbs: Area and Volume in Kapa Cloth Making
A Hawaiian kapa artist explains how she uses area and measurements as part of her art-making process in this video from the Center for Asian American Media. In the accompanying classroom activity, students watch the video and learn how...
Alabama Learning Exchange
Alex: Is It Really That Big?
Just how tall is that object? In this lesson, students will participate in an outdoor group activity using shadows to extend their knowledge of proportions to solve problems dealing with similarity. The cooperative learning groups will...
Enchanted Learning
Enchanted Learning: English (Esl) Label Me! Printouts
Over 100 handouts with answer sheets you can print and use to help build English vocabulary. Numerous topics and themes are covered: everyday words, math terms, seasonal and holiday words, geographical terms, animals, opposites, parts of...