What do Newton's Law of Gravitation and the moon's orbit have in common? Assist pupils as they view a short video segment and learn the gravitational methods of the moon and earth. They learn the reason why and how these have changed...

Was Earth born as a Blue Planet? Discover where water came from with a video from an intriguing science playlist. The resource covers the three most likely origins of water, how scientists differentiate between comet and asteroid water,...

By watching the engaging video, young scholars learn the cause of tides and their effect on the earth and its rotation. The narrator explains the relationship between gravity and the location of the earth in relation to the moon and...

Dinosaurs owe their destiny to an asteroid. What are the chances humans will meet the same fate? A fascinating video lesson considers the probability of an asteroid colliding with the earth while taking into account variations in...

Explore the physics of tuning most musical instruments. The video instructor explains the pitches of string and wind instruments with an emphasis on the sound waves. After discussing the ratios between pitches, it compares harmonics and...

Could a virus be the key to reversing color blindness in humans? Some researchers believe so, and have even tested it out on monkeys. Learn more about the experiment and its effects in a short video that could accompany a lesson on gene...

What do Hawaii, Nigeria, and Peru have in common? Each of these locations, plus many others, get to see the subsolar point! But, what is it? A video from a comprehensive physics playlist puts the phenomenon at the forefront by explaining...

Ah, the Grand Canyon ... ain't it grand? The narrator of a video from PBS Digital Studios explains, in detail, how the Grand Canyon was formed over millions of years.

I smell a great video. Viewers learn how the smell of rain originates from various sources, and how ozone and organic material work to produce the recognizable smell.