When It Comes to Sound, I'm All Ears!

Eco-schools is a project of the National Wildlife Federation and empowers schools to manage their schools with a green focus. Scholars work to define environment and sustainability and springboard this into learning the eight pathways...

It seems the human species may have learned from its mistakes—when it comes to evolution, anyway. Examine the characteristics of ancient hominins in an installment of the PBS Eon series. The video instructor discusses fossil records to...

Soil naturally erodes and produces new soil at the same rate when left to nature, yet farming erodes the soil 50 times faster than it forms. The video discusses soil, the ways humans damage it through their actions, and encourages many...

Students discover how sound is produced and how it travels. They participate in hands-on activities and problem solving to discover in which situations sound travels best.

Take a field trip to the Children's Museum of Virginia with your elementary scientists. In this video, the museum's curator explains how sound travels. With huge tubes, she shows how the difference in vibrations per second changes pitch....

Students conduct experiments to learn about sound wave vibrations in objects and pitch. Students test how varying the volume of water in a vessel changes frequency and pitch.

If right-minded people are left, does that mean left-minded people are right? Watch a video that explains how vision and movement do rely on the left and right connectivity of the brain, but when it comes to creativity and logic, there...

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....

Make sound waves visible with an experiment that asks middle schoolers to build a model ear drum using plastic bottles, rubber bands, plastic wrap, and sand-like substances.

Hear ye, hear ye! Here is a video that comes with an article to read, an interactive quiz, hands-on activities, and worksheets, all about the ear! Chloe and the Nurb take viewers on a virtual tour of the ear, discussing its structure and...