How Distant is the Moon? Part 2
Students listen to a lecture that presents one of two methods by which ancient Greek astronomers estimated the distance to the Moon. They discuss Hipparchus's theories about solar eclipses.
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New Review What Is the "Greenhouse Effect"?
Enough talk about the Greenhouse Effect—let's actually look at it! Junior climatologists engage in a simple thermodynamics experiment on a cold winter's day to examine global warming. The activity simulates rising carbon dioxide levels...
6th - 12th Science CCSS: Adaptable
Investigating How Electricity is Generated
What is the real cost of electricity? The real cost is not just the price you pay, but the environmental and economic costs as well. Scholars build, use, and judge the effectiveness of a turbine. They also investigate the environmental...
9th - 12th Science CCSS: Adaptable
New Review How Big is the Moon?
How many football fields would fit on the moon? Although it appears small in the night sky, the distance from Earth makes its size misleading. A quick video lesson from the Kurzgesagt playlist helps scholars understand the size of the...
2 mins 9th - Higher Ed Science CCSS: Adaptable
Urinary System (Part 2)
The narrator of this video details the urinary system by looking at how bodies regulate the production of urine and how urine is stored and excreted from the body. The narrator finishes by discussing the nervous system's role in the...
10 mins 9th - 12th Science CCSS: Adaptable
Reproductive System – Male Reproductive System (Part 2)
The narrator of this short video about the male reproductive system begins by comparing egg and sperm. He then discusses how sperm is produced, how and which hormones play a role in sperm production, how sperm mature, and how they leave...
11 mins 9th - 12th Science CCSS: Adaptable
Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the liquids...
7th - 9th Science CCSS: Designed
How Does Your Memory Work? Part 2/3
Here, in part two, the BBC video on memory picks up right where it left off in part one (originally this was most likely one thirty-minute video). We begin by following a man who was born prematurely and is not able to recall his past...
10 mins 9th - 12th Science