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Just as air can have different densities, water can have different densities as well. As the salinity of water increases, the density increases as well. Fresh eggs will float in saltwater, but will sink in freshwater. This will show that as the salinity increases the density also increases.
Grade Level   4 5 6 7 8 9 10 11 12
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2
What does up, must come down. Precipitation is the most commonly seen aspect of the hydrologic cycle. Students will learn how the water cycle works using 3-D paper craft activity. The students will see a demonstration of the concept of precipitation.
Grade Level   3 4 5 6 7 8 9 10 11 12
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3
Hey Kids! If you are interested in the USS Monitor, marine life, or just fascinated by shipwrecks, this is the place for you! Did you know that the USS Monitor is one of the most famous warships of all time? That it was the Union’s first ironclad and was built in only 100 days? That it sank off...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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