They make science videos and lessons for kids in Grades K-5. Check 'em out! How is sound created and how can we hear it?

The quality, or timbre, of a sound is how harsh or pleasant a sound seems. Pitch, intensity, and timbre describe all sounds, from screeching car brakes to beautiful music.

In this Happy Learning video, you’ll discover what sound is, how vibrations and sound waves work, and the role of air in transmitting sound. You'll also learn about the qualities of sound: intensity, pitch, …

What is sound? Learn how about different types of sound and how they are made in this BBC Bitesize KS1 Science guide.

Sound is what we hear when sound waves travel through something and reach our ear. All sounds are made by tiny movements called vibrations. These vibrations happen in the molecules of the material …

Sound is a vibration, or wave, that travels through matter (solid, liquid, or gas) and can be heard. How does sound move or propagate? The vibration is started by some mechanical movement, such as …

Feb 22, 2025 · There are sounds all around us. Sound is made from vibrations, which are a series of small, fast movements that move back and forth or from side to side. Even our voices create sound …

This movement, called sound waves, keeps going until they run out of energy. If your ear is within range of the vibrations, you hear the sound. Picture a stone thrown into a still body of water. The rings of …

May 26, 2025 · Sound is a type of energy that travels in waves through matter (solids, liquids, and gases). When an object vibrates, it creates compression waves in the surrounding medium – …

This mini-lesson and printables are designed to introduce the subject of sound waves for kids ages 9 to 12 years old.