EngageNY
Arc Length and Areas of Sectors
How do you find arc lengths and areas of sectors of circles? Young mathematicians investigate the relationship between the radius, central angle, and length of intercepted arc. They then learn how to determine the area of sectors of...
Curated OER
Arcs and Sectors
In this arcs and sectors worksheet, 10th graders solve and complete 2 different types of problems. First, they find the radius of a circle with a given circumference. Then, students find the perimeter of the given sector and the area of...
Virginia Department of Education
Angles, Arcs, and Segments in Circles
Investigate relationships between angles, arcs, and segments in circles. Pupils use geometry software to discover the relationships between angles, arcs, and segments associated with circles. Class members use similar triangles to...
Curated OER
Angles and Arcs
In this angles and arcs worksheet, 10th graders solve 8 different problems that relate to determining the measure of various angles and arcs of a circle. First, they define a central angle and the difference between a major and minor...
Curated OER
The Hundred Years' War (1347-1453)
Detailing the causes, strategies, and effects of the Hundred Years' War, this presentation will interest even the most reluctant historians in your class. Bright pictures and maps help to put the war into context and allow teachers to...
Curated OER
Angles and Arcs
Students identify the relationship between angles and arcs. In this geometry lesson, students rotate and move the circle around to create different arcs on the TI-Navigator. They differentiate between major and minor arcs.
EngageNY
Experiments with Inscribed Angles
Right angles, acute angles, obtuse angles, central angles, inscribed angles: how many types of angles are there? Learners first investigate definitions of inscribed angles, central angles, and intercepted arcs. The majority of the lesson...
Curated OER
Angles and Arcs
Students discuss the sum of central angles and use string to create them on circles. They find the measure and length of both minor and major arcs.
Students give examples of concentric, similar, and congruent circles and congruent arcs.
Curated OER
Measuring Distance
In this measurement activity, learners practice drawing 7 specific geometrical lines in a circle. Students problem solve 1 word problem with 3 measurements involving distance.
Curated OER
World Cities of 5 Million or More
Students consult online resources to identify and map the world's largest cities and metropolitan areas. They analyze birth rates, settlement patterns and other demographic data and make predictions for the future. They write essays...
NASA
Biology Training Module
Are you a koalafied biologist? The lesson begins with research about human survival and our ecosystem. Then, an online training module simulates the effects of changes to the plants and animals in an ecosystem. Finally, scholars research...
Curated OER
Circles and Cylinders
In this geometry lesson, 10th graders break down a circle and identify the different parts. They discuss chords, diameter, radius, circumference, major and minor segment. There are 42 problems broken down into 5 different sections.
Curated OER
Inscribed Angles
Students analyze inscribed angles and intercepted arcs and explore the relationships between the two. They investigate the properties of angles, arcs, chords, tangents, and secants to solve problems involving circles.
Curated OER
It's Going to Blow Up!
Students discover the major characteristics of volcanoes on the Pacific Ring of Fire. They describe the processes that produce the "Submarine Ring of Fire." students explain the factors that contribute to explosive volcanic eruptions.
Curated OER
Review For Test On Chapter 8
Students engage in a study that is intended to be a review for a calculus exam. They practice using a review study sheet to go over some of the major concepts. The review includes using parabolas, length of arc, and volume of solids of...
Curated OER
Getting Started With Rhino
Students draw and print two-dimensional objects, by accessing commands and short cuts and options. They customize their modeling environment, create basic graphic objects - lines, circles, arcs, curves, solids, and surfaces, and draw...
Curated OER
Using GIS to Construct Water Table Maps and Flow Nets
Students examine how to use GIS software to analyze patterns of groundwater flow. Seepage lake elevation data from the Sand Hills of Nebraska is used to construct a water table map and flow net using Esri's Arc Map software.
NASA
Decomposers Get Energy From Dead Things
When life gives you mold, make penicillin. Scholars design an inquiry experiment to determine what causes rotting and mold growth. It also covers decomposers and the important role they play for other living things.
NASA
The Cycle of Matter
An educational instructional activity focuses on the idea of conservation of matter through a demonstration of the water cycle, a discussion of digesting food, and the path of carbon and oxygen atoms as they change form.
NASA
The Importance of Food
Pupils make observations while eating food. They act out the process of food breaking down in the body and the roles of various chemical components, such as sugar and protein. It concludes with an activity illustrating the process and a...
NASA
Producers Make Their Own Food
During an inquiry-based activity, scholars decide which variable to test and then design an experiment to determine the needs of producers. After two weeks, they complete a full analysis and research paper.
Curated OER
Identifying Continents and Oceans
Learners locate and identify the four major oceans and the seven continents on a world map. They use an unlabeled world map and compass rose to describe relative locations of the continents and oceans.
Curated OER
The Aspect Ratio of Wings
Junior engineers examine aspect ration in airplane wings. Using the length and width of two differetn wings, they calculate the aspect ratios and compare drag rankings. An engineering or space science class would benefit from this...
Curated OER
Hydroponics
Learners discuss the concept of hydroponics. They create and run their own hydroponics system. They record and analyze the data they collect.