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

Young scientists learn that seeing isn't necessarily believing when it comes to the states of matter. After performing a fun class demonstration that models the difference between solids, liquids, and gases, children complete a series of...

Look into the future with a lesson on biodiversity and natural habitats. Learners read articles about different perspectives when it comes to planning future development, and decide which angle is the highest priority in a group...

When will a wind farm pay for itself? Individuals calculate the anticipated annual revenue for two proposed wind farms. By comparing the number of years it takes to pay back the initial investment, they determine which site makes the...

Can you name an organism that isn't a plant, animal, or fungus? Here's a hint: each cell contains thousands of nuclei. Slime mold may not have any appendages, but their movements fascinate scientists. The video focuses on these unique...

Pupils 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.

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...

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....

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.

While clouds may not make for the most enjoyable weather, they play an important role when it comes to regulating the temperature of the earth. Watch this video and learn how these giant masses of water droplets actually help to cool the...