What are fossils?
#1 fossil outlines
#2 Fossilized wood
#3 Fossilized coral
Fossils are formed when plants or animals die and become covered by sediments. After millions of years they are petrified becoming rock or are outlined in rock.
#1 Fossil outlines found at Mesa Verde National Park, Colorado
#2 Petrified wood, Petrified Forest National Park, Arizona
#3 Petoskey Stones, Torch Bay Nature Preserve, Michigan
What are hot springs?
Mammoth Hot Springs, Yellowstone National Park, WY
Hot Springs National Park, AR
Underground water is heated and percolates to the earth’s surface. They are used for hot baths and geothermal energy.
What waterfall has the largest flow of water in North America?
View of American Falls, Niagara State Park, New York
Niagara Falls has 212,000 cubic feet of water over the adjacent 173 and 182 foot set of falls in Canada and the US.