Khan Academy
Scale of Solar System, Scale of the Universe, Cosmology and Astronomy
After the previous video in this series, class members should have a general grasp of the relative sizes of the Earth and the Sun. This video provides further information about the distances between the planets and offers a sense of...
Curated OER
How Do You Solve a Scale Model Problem Using a Scale Factor?
Scale drawings are used to represent many things. Scales are used all the time on maps, and in architectural drawings. Watch this video as the instructor illustrates a simple drawing of a blueprint to represent the footage of an actual...
Curated OER
How Do You Find the Scale of a Model?
A model car, a life size car, now compare their sizes. Hmmm. Ok, set up a proportion and then figure out a ratio, and now you can express the relationship in terms of scale. Watch this video and the teacher will demonstrate just how to...
Curated OER
What is a Scale Drawing?
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Curated OER
Map Scale and Ratios
Introduce you map scale and ratios lesson with this informative video. A student demonstrates how to properly use a scale on a map, as well as read a topographic map. This is a fantastic video to show during your map unit!
Curated OER
What is a Scale Drawing?
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Curated OER
How Do You Find the Scale of a Model?
A model car, a life size car, now compare their sizes. Hmmm. Ok, set up a proportion and then figure out a ratio, and now you can express the relationship in terms of scale. Watch this video and the teacher will demonstrate just how to...
Curated OER
What are Similar Figures?
Similar figures have the same shape, the same corresponding angles, but different lengths of their corresponding sides. The teacher explains just what all that means. She demonstrates how to compare the two shapes to prove they are similar.
Khan Academy
Cosmological Time Scale 1, Scale of the Universe, Cosmology and Astronomy
A scaled timeline highlights periods relevant to us since the Big Bang. Events on the timeline include the formation of Earth, the extinction of dinosaurs, and the emergence of modern humans.
Khan Academy
Intergalactic Scale, Scale of the Universe, Cosmology and Astronomy
Sal narrates the last video, concentrating on the scale between stars and galaxies themselves.
Curated OER
Piano Lessons - Coordinating Your Left and Right Hands
Learn your first piano scale! Focus on hand placement and moving your right and left hands in coordination. Consider watching this video all the way through before attempting to follow along on your piano; it could be a tad confusing!