Texas Instruments
Texas Instruments: Jason: Can You Breathe Like a Pinniped?
From Shore to Sea: Pinnipeds are marine mammals that spend a great deal of time in the water. Like all marine mammals, pinnipeds breathe air through their lungs. In order to breathe, they must come up to the surface for air.
Scholastic
Scholastic: Study Jams! Science: Weather and Climate: Tides
Is it time for high tide? Make studying the tides fun with this video. Understand the impact of gravity on the water surfaces of the earth. Take the test to see how well the information is understood.
Science Bob Pflugfelder
Science Bob: Build a Soap Powered Model Boat
Science Bob presents instructions for a science demonstration of how to build a soap-powered model boat using common supplies with information on how it works.
Energy for Sustainable Development
Kinds and Energy: Wind Energy
Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly. When the sun is shining...
Weather Wiz Kids
Weather Wiz Kids: Wind
Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly. Two factors are necessary to...
Smithsonian Institution
National Museum of Natural History: American Mammals: Rough Toothed Dolphin
Rough-toothed dolphins are usually seen swimming in schools of 10-20 individuals, although groups of 50 or more have been reported. They are sometimes seen cruising along at high speed, with their beaks at the surface and their dorsal...
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