Cuemath
Cuemath: Segment of a Circle
This lesson expands your knowledge about circles by learning about the segment of a circle, which will include its mathematical definition, area of the segment, types of segments in a circle, theorems based on a segment of a circle, and...
CK-12 Foundation
Ck 12: Interactive Geometry: 5.1 Copies of Line Segments and Angles
Construct a copy of a line segment in this interactive exercise.
CK-12 Foundation
Ck 12: 10.6 Points That Partition Line Segments
[Free Registration/Login may be required to access all resource tools.] Determine the formula for finding the coordinates of a point on a line segment.
Illustrative Mathematics
Illustrative Mathematics: G Co Angle Bisection and Midpoints of Line Segments
This task provides a construction of the angle bisector of an angle by reducing it to the bisection of an angle to finding the midpoint of a line segment. Aligns with G-CO.D.12.
Illustrative Mathematics
Illustrative Mathematics: G Gpe Scaling a Triangle in the Coordinate Plane
The goal of this task is to apply dilations to a triangle in the coordinate plane. Learners will need to find the coordinates of a point which cuts a given segment into one third and into two thirds. The two dilated triangles share a...
Shodor Education Foundation
Shodor Interactivate: Cantor's Comb
Learn about fractions between 0 and 1 by repeatedly deleting portions of a line segment, and also learn about properties of fractal objects.
Other
Advogato: Trigonometry by Geometric Construction
This site from Advogato is all about angles. It contains information starting with what an angle is and what it looks like, all the way up to bisecting angles and theorems about angles. This is very good information for students just...
Mocomi & Anibrain Digital Technologies
Mocomi: Lines and Angles
Provides details about the properties of straight lines, types of straight lines, line segments, rays, curved lines, and types of angles.
PBS
Pbs Learning Media: Cave Formation: Biogeochemical Cycles
This video segment adapted from NOVA chronicles the discoveries that led to a radical new theory in which living organisms, not just geological processes, play an active role in cave formation. [5:42]
PBS
Pbs Learning Media: Mammals Get Their Chance
In this video segment adapted from NOVA, animations of an asteroid hitting Earth are used to illustrate this widely accepted theory of dinosaur extinction and the resulting conditions that favored mammals.
PBS
Pbs Learning Media: A Strange New Planet
This video segment adapted from NOVA features the first planet to be discovered outside our solar system. Its surprisingly large size and short orbit sent scientists back to their data and led them to discover similar planets. [3:06]
PBS
Pbs Learning Media: Hurricanes: New Tools for Predicting
This video segment adapted from NOVA scienceNOW features new advances in predicting the intensity of hurricanes. [5:49]
PBS
Pbs Learning Media: Mountain Weather: A Climber's Story
In this video segment adapted from Interactive NOVA, a mountain climber's perilous journey reveals the extreme range of microclimates on Mount Kilimanjaro. [4:42]
PBS
Pbs Learning Media: Redwoods at Redwood National Park
This video segment from NatureScene describes the characteristics of redwood trees at Redwood National Park. [4:02]
PBS
Pbs Learning Media: Selected Haiku by Issa
Learn more about the Japanese form of poetry known as haiku. In this video segment from Poetry Everywhere, the poet Robert Hass reads a short collection of amusing, often ironic haiku by Japanese poet Kobayashi Issa. [1:32]
PBS
Pbs Learning Media: Laetoli Footprints
This Evolution video segment describes how the famous track fossils known as the Laetoli footprints might have been formed and what they can reveal about the creatures who left them.
PBS
Pbs Learning Media: Sweaty T Shirts and Human Mate Choice
This video segment from Evolution: "Why Sex?" explores the "sweaty T-shirt experiment," which showed that humans may unconsciously be drawn toward a specific kind of genetic variation in a mate.
PBS
Pbs Learning Media: The Sequencing Race Begins
This video segment from NOVA: "Cracking the Code of Life" looks at one of the key players in the race to decode the human genome.
PBS
Pbs Learning Media: Marathon Migrators
This video segment from NOVA: "The Mystery of Animal Pathfinders" explores how the migratory patterns of shorebirds have evolved to coincide with the spawning of horseshoe crabs. [6:00]
PBS
Pbs Learning Media: The Teenage Brain
Why do teenagers act the way they do? This video segment from FRONTLINE: "Inside the Teenage Brain" explores the work scientists are doing to explain some of the mysteries of teenage behavior.
PBS
Pbs Learning Media: Unhinged!
This video segment explores the integral relationship between structure and function in snakes.
PBS
Pbs Learning Media: Ruminants
Why do cows chew their cud? This video segment from Secret of Life: "Accidents of Creation" describes the physical adaptations that have made ruminants some of the most important, and certainly the most efficient, plant eaters on earth.
PBS
Pbs Learning Media: Suicide Bombing
Mohanned Abu Tayyoun describes the events that occurred on the day of his intended suicide bombing in this video segment from Wide Angle.
PBS
Pbs Learning Media: Botswana Today
Learn about the achievements and national problems of the African nation of Botswana in this video segment from Wide Angle.
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