Physics tutorial invites users to learn about sound properties and their perception. Learn more about intensity and the decibel scale, and then take a quiz to check your understanding.

Discover the acoustical properties of brass instruments from this well researched site provided by the University of New South Wales. Everything from lip control to bell shape is discussed as it applies to frequencies and harmonics.

This site from Architectural Acoustics and Lighting provides a discussion of various factors affecting the acoustics of a given room. Room dimensions, the wavelength of the sound wave, the physical characteristics of the walls, the...

Colorful resource for learning fun facts about bald eagles with photographs and a sound clip as well as information regarding their physical characteristics and unique features.

Colorful resource for learning fun facts about African cheetahs with photographs and a sound clip as well as information regarding their physical characteristics and unique features.

Colorful resource for learning fun facts about Andean bears with photographs as well as information regarding their physical characteristics and unique features. Sound clip included.

This fact sheet on the bobcat provides details on physical characteristics, adaptations, range, habitat, conservation, diet, and other interesting facts. Click the link to hear how a bobcat sounds.