Listen in as Mia and Sam expound on sound. It is caused by vibrations and travels in waves. It has the qualities of pitch, frequency, and volume. This hip animation displays a graph to depict the frequency and amplitude of sound waves....

What's the difference between seasonal allergies and seasonal colds? Learn about one of the most common seasonal allergies, ragweed, through a brief yet informative video as part of the Seasonal Science series. Understand why ragweed is...

Scientists discovered a hole in the ozone layer in 1980, and by 2000, the hole was three times the size of the United States. Through global efforts, scientists discovered the cause and worked together to get countries to implement a...

Milk meets every single nutritional need for a baby in the first six months of life. Observe how an infant's small intestine breaks milk lactose down into a usable form of nutrition. With the help of an animation, viewers see the process...

Rain, rain go away, come again another day! Learn to observe and track the weather in a weather journal. Young meteorologists learn the basics of how to get started and the tools needed to be successful.

The third practice in the Next Generation Science Standards applies analyzing and interpreting data. The video explains why this is important to scientists and many different ways to organize data. Then it moves on to discuss how to...

Between 1957 and 1962, thousands of infants born in Canada, Great Britain, and Germany had serious deformities due to thalidomide, a drug marketed to pregnant women as a mild sleeping aid and to relieve pregnancy nausea. However, the...

Scientists discover over 15,000 new species each year. Despite studying life on our planet for all of human history, we still don't know how many species exist on Earth. An informative video from a biology playlist presents the dilemma,...