Curated OER
Indirect Measurement with Similar Triangles
Students use similar triangles to find missing heights. In this using similar triangles to find missing heights lesson, students use proportions to find the heights of missing side lengths. Students find the height of trees...
Curated OER
Christmas Tree Shaped Poems
Students think about ways in which they can spread joy during the holiday season. They create poems in the shape of a Christmas tree. Pupils use formatting tools in Microsoft Word to format the text of the poem. Students discuss ways...
Curated OER
Measuring the Wind in the School Yard
In this wind worksheet, students construct a wind speed and direction indicator. They calibrate it using a Beaufort wind scale and take at least five observations/measurements in the school yard. They answer questions about their results.
Curated OER
Measurement
Students explore measurement comparisons of taller and shorter. They examine a picture and order the picture's elements from shortest to tallest. Afterwards, they draw themselves and other items shorter or taller than welements in the...
Curated OER
Look at those Leaves!
Students observe leaves for patterns and similarities. In this science activity, students sort through a pile of leaves to find patterns and take measurements. Students make leaf rubbings to view the details of the leaves.
Curated OER
Angle Measurements
In this angle measurement worksheet, 10th graders solve and complete 9 different word problems. First, they read the word problems carefully. Then, students draw a picture that represents each problem and solve. Finally, they find side...
Curated OER
Optional Laboratory: Calculating Board Footage in a Tree
Middle schoolers work together to complete an experiment calculating the amount of board footage in a tree. They record their data and answer questions at the end of the lesson. They create their own hypothesis as well.
Curated OER
Optional Laboratory: Measuring Tree Heights
Students work together to measure tree heights. They make predictions on what they believe the calculations are and answer questions during the experiment. They share their results with the class.
Curated OER
Tree Measurement
Students work in pairs taking measurements of a tree. They measure the trunk, crown, and height using vertical and horizontal measurement. Then students create a bar graph using the information they gathered.
Curated OER
What Effects Do Trees Have On The Environment?
Students examine the interrelationship between trees, soil and people focusing on urban areas. They collect and analyze data about trees in their research area.
Curated OER
Redwood Trees: How Tall?
Students practice measuring the height of redwood trees. On a group walk, they observe the height of various trees and identify the species. In groups, they use their geometry skills and other techniques to measure the tree and determine...
Curated OER
How Fast Does This Tree Grow?
Students work together to determine how fast trees go. They make predictions and complete simple measurements. They answer questions to end the lesson.
Curated OER
So -- What's Happening Here? On this Old Christmas Tree Farm
Students take a field trip to an old Christmas tree farm near their school. In groups, they gather data at the site and analyze the data in an attempt to discover what happened to the area. They identify human activities that led to the...
Curated OER
Remarkable Trees of Virginia
Students draw a picture of their favorite tree from memory, and then add detail as they learn more about leaf characteristics of Virginia trees. They will use their writing skills to nominate one or more of their favorite trees to the...
Curated OER
Trees and Their Parts
Students visit five learning stations to explore various aspects of trees. They look for tree names, match visual pictures to the written words of tree shapes, and observe the benefits of fencing and preserving new cut from wildlife.
EngageNY
Between-Figure and Within-Figure Ratios
Tie the unit together and see concepts click in your young mathematicians' minds. Scholars apply the properties of similar triangles to find heights of objects. They concentrate on the proportions built with known measures and solve to...
Computer Science Unplugged
Twenty Guesses—Information Theory
How do we determine how much information to include and what can be left out? By playing a game of 20 questions, the class generates the best strategies for finding a number. They then move on to guessing the next letter in a short...
Chicago Botanic Garden
Impacts of Climate on Forest Succession
Part two in a series of four explores the effects of climate on succession or the changing of plant species in a forest. Groups review how to identify trees and then spend a day in the field collecting extensive data on trees to...
NOAA
How Do We Know?: Make Additional Weather Sensors; Set Up a Home Weather Station
Viewers learn about three different weather measurement tools in installment five of the 10-part Discover Your Changing World series. They build weather vanes to collect data on wind speed, barometers to determine air pressure, and...
Curated OER
Introduction to Measuring the Forest
Students investigate how much wood is in a forest. For this forestry lesson, students calculate how much usable wood comes from the forest. They will read, Sizing Things Up from Trees + Me = Forestry, measure firewood piles, and create a...
Curated OER
What's a Tree Worth?
Students calculate the board footage of a tree. In this forestry lesson, students use a Biltmore tree scale stick to calculate the number of board feet that would be produced. They quantify the economic value of a tree from this...
Curated OER
Length Word Problems
Who has the longest cell phone? Find this and other wacky measurement scenarios in this set of length word problems. There are 10 problems here, and scholars show their work for each in a provided space. They determine lengths given how...
UAF Geophysical Institute
System Interactions: The Lorax and the Truffula Tree
If the Lorax were to write a letter, what would he write? Introduce your class to systems and feedback loops through the whimsical stylings of Dr. Seuss. Learners take on the Lorax's point of view to write a letter, among other activities.
CK-12 Foundation
Angles of Elevation and Depression: Fly-By Calibration
Determine the distance between two trees from afar. Pupils use an interactive resource to create two right triangles using trees and a plane. They determine the horizontal legs of each triangle to find the distance between the two trees.