Rainfall
In 1908, the Forest Service established a system of experimental forests and ranges (EFRs) to be set aside for environmental…
In 1908, the Forest Service established a system of experimental forests and ranges (EFRs) to be set aside for environmental research. More than 100 years later, 80 of these areas...
Test your science knowledge with a word search.
Test your science knowledge with a word search.
Big-leaf mahogany is a tree species known for its beautiful wood. Over time, humans have cut down many big-leaf mahogany…
Big-leaf mahogany is a tree species known for its beautiful wood. Over time, humans have cut down many big-leaf mahogany trees for use in furniture and other products. Because of…
To ensure that big-leaf mahogany harvesting is sustainable, scientists and land managers must know the conditions in which mahogany grows.…
To ensure that big-leaf mahogany harvesting is sustainable, scientists and land managers must know the conditions in which mahogany grows. Therefore, the scientists in this study wanted to examine how...
When snow melts or rain falls, some of the water runs off into streams or rivers. Most of the water,…
When snow melts or rain falls, some of the water runs off into streams or rivers. Most of the water, however, goes down into the soil. The water that stays...
If the temperature of a stream rises too high, the animals that live in the stream may find it difficult…
If the temperature of a stream rises too high, the animals that live in the stream may find it difficult to survive. Big changes in a stream’s daytime temperature as...
Most rivers in the United States are now regulated. A regulated river is one whose flow is controlled by dams.…
Most rivers in the United States are now regulated. A regulated river is one whose flow is controlled by dams. The regulation of rivers, however, alters the relationship between rivers...
Across the planet, different types of forests are found. One reason different forest types exist is because they grow under…
Across the planet, different types of forests are found. One reason different forest types exist is because they grow under different climates. Another reason is that human activities have changed...
In the past, scientists had estimated how much rainfall is intercepted by trees growing in rural areas. The scientists in this study…
In the past, scientists had estimated how much rainfall is intercepted by trees growing in rural areas. The scientists in this study wanted to know how much rainfall is intercepted by the trees that...
In this FACTivity, you will build an insloping road to test your own model of erosion. Materials: Two large cardboard…
In this FACTivity, you will build an insloping road to test your own model of erosion. Materials: Two large cardboard boxes with lid flaps removed (around 30 inches square and...
