Curated OER
Measure the Earth's Circumference
Students explore geometry by conducting a science experiment. In this circumference measurement lesson, students review the Greek geographer Eratosthenes who first discovered the circumference of our planet. Students utilize...
Curated OER
Small Angle Calculations
Students work with circles, angles and estimating angles in the night sky. For this circles and angles lesson, students practice measuring a degree using the circumference of a circle and apply the degree to determine a way to use their...
National Wildlife Federation
What is DBH?
When measuring the circumference of a tree, does it matter how high you place the measuring tape? Most scholars have never considered this question, but scientists know that measurement techniques must be standardized. The 13th lesson in...
Curated OER
Parachutes, Circles and Pi...Oh My!
Students explore different size circles to discover the relationship between diameter and circumference. In this circles and Pi lesson, students construct simple parachutes using circle patterns of varying sizes. Students predict the...
Curated OER
Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
Curated OER
THE AREA OF A CIRCLE
Students examine the relationship between circumference and diameter and how to use the formula to find the area of a circle. In this circle lesson plan students divide into groups and complete an activity.
Curated OER
Geometry in Nature
Students examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
Rainforest Alliance
Trees and Carbon
You'll find everything but the kitchen sink here ... or just a carbon sink. In the activity, pairs or groups of middle school learners go outside and measure a tree's circumference and height to estimate its carbon storage potential and...
TOPS Learning Systems
PI in the SKY
What is pi anyway? After this set of activities, your pupils should have multiple answers to this question. Investigate pi with various experiments and discoveries. Calculate the ratio circumference/diameter for different sized...
Curated OER
Creating a Basal Area Measuring Tape
Students use formulas to design and create a table. In this calculations lesson students create basal measuring tapes that will be used to measure woodlot stocking levels.
Curated OER
Nanofibers: Measuring the Visible to Understand the Invisible
Learners compare the size and shape of tubes that can be measured, to the size and shape of "nanowhiskers" that are too small to see. They practice measuring, calculating and graphing the ratio of circumference to diameter of a circle,...
Curated OER
Our School - Our Trees
Sixth graders observe school ground trees planted nearly 3 decades ago. For this ecology lesson, 6th graders examine a group of trees planted near their campus and measure the diameter, circumference and growth of the tree compared...
Curated OER
Cold Hard Facts? What Inquiring Minds Will Know -- Inquiry-Based Ice Investigations
Students are introduced to the concepts of perimter, diameter, circumference and measurements. In groups, they complete two worksheets in which they determine if the ice dimensions make a difference in the way it floats. They discuss...
Curated OER
Mathematics In You
Young scholars construct ratios using the hand as data. They use examples of cortical and trabecular bone found in the long bones to measure circumference, diameter, length, and weight of long bones. They perform computations using...
Curated OER
Science: The Age of the Redwoods
Learners 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.
Curated OER
Nanofibers: Why Go Small?
Students explain the advantages of nanotechnology. In this chemistry lesson plan, students investigate pretzels' average diameter and circumference. They graph their result and compare with other groups.
Alabama Learning Exchange
How Big Can a Bee Be?
Mathematicians analyze the relationships between surface area and volume. They conduct Internet research, conduct various experiments, record the data in a spreadsheet, and graph the results and compare the rate of increase of surface...
Scholastic
Lesson One: The Earth, Background and Glossary
How much do you really know about our planet? Middle schoolers build up their prior knowledge about Earth, its placement in the solar system, its composition, and important geological vocabulary with an introductory earth science lesson.
Curated OER
Circular Motion
A helpful physics presentation will have you talking in circles! The material covers circular motion, and includes diagrams, formulas, and example problems. When used in addition with directed instruction and a teacher-created form...
Curated OER
How Can They Tell?
Pupils compare the characteristics of arcade tokens to those of a circulating U.S. quarter to determine how a video game can tell the difference between the two. They examine coins and arcade tokens very closely to observe the differences.
Curated OER
Cold Hard Facts...What Inquiring Minds Will Know
Young scholars work with "ice" in order to gain a practical application of math concepts that evolve into an inquiry-based study. They determine if the dimensions of the ice make a difference in the way the ice floats in the water.
Curated OER
Exploration of the Moon
In this moon worksheet, students will use a table with facts about the moon to answer questions about the moon's rotation, distance from the Earth, gravity, and temperature. Students will complete 9 short answer questions.
Curated OER
It's The States of Matter
Students investigate the properties of solids, liquids and gases. For this states of matter lesson plan, students observe dry ice and its characteristics. They calculate the density of dry ice and observe the sublimation of the dry ice...
Curated OER
Relationships: Pressure, Volume and Temperature
Tenth graders investigate the relationships of pressure and volume and pressure and temperature of gases. In this gases lesson plan, 10th graders use an inflated balloon to show the relationship between volume and temperature of the air...