How Does Sound Travel As Waves?

Engineering enthusiasts are sure to explode in understanding as they practice the engineering design process (EDP). A container of "toxic popcorn" is placed in the classroom. Teams must work together to devise a method for removing it...

Construction leads to habitat loss and local wildlife suffers. Scholars must build a reptile egg incubation device that meets many constraints. Various experiments help them discover the chemical reaction needed to reach...

Dive into the mystery of sound waves!  Scholars brainstorm questions about how sound travels and why different items make different sounds. They then conduct experiments to answer their questions.

Physical science juniors will enjoy this sensational enrichment on aerodynamics, especially if they are also sports fans! With a focus on physical features and behaviors, collaborative groups make observations on five different golf...

Ready to don medieval costumes and gain a more thorough understanding of the science behind Game of Thrones? Pupils view a short video to explore the intricacies of a popular book and television series, and learn the science...

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....

Design and construct buildings with rooftop gardens. Junior engineers work in groups to build two buildings and then perform experiments to determine whether or not a garden affects the building's temperatures. They graph and interpret...

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.

You may not realize it, but the earth is constantly receiving messages from all over outer space. Follow along as this video investigates how these cosmic rays carry information that can help humans better understand the composition...