|
|
|
Designing a Beaver Dam out of earth materials.
|
|
Longer video on dam building
|
|
Introduction to the Beaver Dam Engineering Project
|
|
Erosion by wind and water
|
|
Water in three forms on Earth: solid ice, liquid water, water vapor.
|
|
Where can you find water? The Water Cycle.
|
|
|
|
|
|
|
|
|
|
Properties and weathering
|
|
Build and explode a volcano
|
|
Properties of volcanic rocks
|
|
Earth Structure, Volcanic Rocks
|
|
Yeast and hydrogen peroxide, Baking Soda and Vinegar
|