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The ocean is the key element in Earth's hydrologic cycle (water cycle). Students will construct a simple model of the hydrologic cycle to help them visualize and understand the movement of liquid water and heat. The hydrologic cycle is the continual movement of water from one place to another and...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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2
Landslides not only are dangerous — causing on average more than 25 deaths and over ¤1 billion in damages a year — but are also widespread, occurring in all 50 states. Compounding the hazards, these natural disasters often occur along with other similar natural phenomena, such as floods...
Grade Level   5 6 7 8
Classroom Activities Curricula and Instruction
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