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Measure the Solar Diameter
Scientists could measure the diameter of the sun before they knew its distance. Scholars construct a simple mirror box to measure the diameter for themselves. They compare this measurement with the official size, listed in a textbook,...
7th - Higher Ed Science CCSS: Adaptable
Families of Parallel Lines and the Circumference of the Earth
How do you fit a tape measure around the Earth? No need if you know a little geometry! Pupils begin by extending their understanding of the Side Splitter Theorem to a transversal cut by parallel lines. Once they identify the proportional...
9th - 10th Math CCSS: Designed
Tilt of Earth's Axis and the Four Seasons
Geometry meets earth science as high schoolers investigate the cause and features of the four seasons. The effects of Earth's axis tilt features prominently, along with both the rotation of the earth about the axis and its orbit about...
9th - 11th Math CCSS: Designed
The Hottest Place on Earth
Where is the hottest place on Earth, and how can scientists prove it? The video discusses multiple methods for measuring the temperatures across the planet. Then it discusses the hottest places measured by each method and their accuracy....
3 mins 6th - 12th Science CCSS: Adaptable
How We Know About the Earth's Core
The big question is, how do we know about the composition of the earth's core? Sal explains that at 105 degrees from the source point of an earthquake the phenomena of p wave shadow zone leads us to conclude that the waves are traveling...
6 mins 8th - 11th Science
Four Ways to Understand the Earth's Age
Cartoon children compare the earth's age to timescales that we understand:a calendar year, the thickness of a book, the human lifespan. This smart film clip is definitely worth adding to your geologic timescale lesson! If you subscribe...
4 mins 6th - 12th Science CCSS: Adaptable