Sophia Learning
Sophia: Coordinate Geometry of Parallelograms: Lesson 4
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. It is 4 of 6 in the series titled "Coordinate...
Sophia Learning
Sophia: Coordinate Geometry of Trapezoids: Lesson 3
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a trapezoid in a coordinate plane. It is 3 of 4 in the series titled "Coordinate...
Sophia Learning
Sophia: Coordinate Geometry of Isosceles Trapezoids: Lesson 3
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is an isosceles trapezoid in a coordinate plane. It is 3 of 5 in the series titled...
Sophia Learning
Sophia: Coordinate Geometry of Parallelograms: Lesson 1
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. It is 1 of 6 in the series titled "Coordinate...
Sophia Learning
Sophia: Coordinate Geometry of Rectangles: Lesson 4
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rectangle in a coordinate plane. It is 4 of 5 in the series titled "Coordinate...
Sophia Learning
Sophia: Coordinate Geometry of Squares: Lesson 2
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices if a quadrilateral, if the shape is a square in a coordinate plane. It is 2 of 2 in the series titled...
Sophia Learning
Sophia: Coordinate Geometry of Rhombi
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane.
Curated OER
Web Gallery of Art: Geometry and Architecture
An image of "Geometry and Architecture", created by Jean-Jacques Caffieri in 1776 (Marble).
Cornell University
Cornell University: Astronomy: Eratosthenes and Circumference
This site, which is provided for by the Cornell University, gives a description of how Eratosthenes used geometry to measure the circumference of the earth.
University of Cambridge
University of Cambridge: Nrich: Transformation Tease
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
Curated OER
Web Gallery of Art: Costume of the Allegorical Figure "Geometry"
An image of "Costume of the allegorical figure "Geometry"", created by Giuseppe Arcimboldo in 1585 (Pen, blue wash on white paper, 304 x 206 mm).
Curated OER
Math Open Reference: Biography of Euclid
Biography of Euclid, a Greek Mathematician, also known as the 'Father of Geometry'.
Curated OER
Math Open Reference: Biography of Euclid
Biography of Euclid, a Greek Mathematician, also known as the 'Father of Geometry'.
Other
Molecular Movies: 3 D Tutorials for Biologists
A collection of visualization-oriented tutorials for creating 3D animations for use in your biology classroom. Search by difficulty level, software package, or 3D topic area.
University of Oxford (UK)
Mhs: Astrolabe Chronology
Find examples of models of the astrolabe arranged in chronological order. The Museum of the History of Science houses the largest collection of astrolabes and many are shown on this site. Click on each one for a close-up lock and...
Wisc-Online
Wisc Online: Lewis Dot Structures of Covalent Compounds
Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...
Other
Time Domain Cvd: Hybrid Orbitals and Complex Molecules
Good look at the orbital hybridization that goes along with the different arrangements of electron clouds. Solid information and graphics.
Other
Symmetry Around the World
This resource provides information about symmetry, and everywhere it can be found.
Sophia Learning
Sophia: Volume of a Hemisphere
This lesson will present how to find the volume of a hemisphere. Students can look at a presentation and then take a quiz.
The Math League
The Math League: Surface Area
This tutorial explains the concept of surface area, and then goes through multiple shapes offering the specific surface area formula for each one.
American Chemical Society
Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams
Find out how molecular bonding is represented by Lewis dot diagrams.
University of Georgia
University of Georgia: Inter Math: Transformation
This site defines transformation and lists several different examples of transformations. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving...
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