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CK-12 Foundation
Pan Flute
How can a pan flute sound one note while we hear a chord? The simulation explores sound waves, vibrations, and harmonics at the molecular level. Scholars control the pipe into which air is being blown, the length of the pipe, and which...
Curated OER
Journey to the Unknown
Students explore the ocean depths. In this scenario based lesson, students pretend they are on a submarine in an unknown part of the ocean. By using clues the class discusses and determines where they are in the ocean. They follow up...
Curated OER
Wave Superposition: Interactive On-line Mac and PC
Students study definitions of wavelength, wave speed, wave amplitude, and wave period using an interactive JAVA environment. Distance and time are given so speed=wavelength/period can be verified or deduced by students. Waves reflection...
Curated OER
Echolocation and Communication
Students participate in a role-play activity to determine how whales use the properties of echolocation to communicate.
Curated OER
Looking for a Walrus
Students sing and role-play the song "Looking for a Walrus" to explore walrus adaptations.
Curated OER
Mapping the Ocean Floor
Students study the bottom structure of underwater habitats and how they can be mapped.
Curated OER
Looking for a Walrus
Students perform the "Looking for a Walrus" song while role-playing to show their awareness of walrus adaptations. They study the words and add motions to the song.