Articles
Explore a variety of topics in our article library. Each article in a monograph or journal is based on a published, peer-reviewed study and includes an activity, reflection questions, and more. Articles in our Readers introduce the work of a scientist to students from kindergarten to 2nd grade.
-
Some kinds of forest fires can be beneficial to the natural environment and to people. Fire is a normal event…Some kinds of forest fires can be beneficial to the natural environment and to people. Fire is a normal event in the natural environment. Forest fires also have some disadvantages.... -
Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into a pasture so that cattle can be raised for human consumption. When... -
When a hurricane occurs, a lot of damage can be done to buildings and other structures. One of the most visible types of damage…When a hurricane occurs, a lot of damage can be done to buildings and other structures. One of the most visible types of damage occurs to trees. The scientists in this study wanted to know more... -
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted to know if different trees contribute different amounts of nutrients... -
Pine forests are common in the tropical Caribbean. Usually, these pine forests also have an understory of broad-leafed trees. Broad-leafed…Pine forests are common in the tropical Caribbean. Usually, these pine forests also have an understory of broad-leafed trees. Broad-leafed trees are trees with flat leaves. The pine forests are... -
Guanica Forest is a tropical dry forest in the southwest corner of Puerto Rico. In 1981, the United Nations recognized it for being one of…Guanica Forest is a tropical dry forest in the southwest corner of Puerto Rico. In 1981, the United Nations recognized it for being one of the best examples of a dry tropical forest. The scientists in this... -
Tropical streams provide many benefits to people and animals. For river shrimp that spend part of their life in the…Tropical streams provide many benefits to people and animals. For river shrimp that spend part of their life in the mountain streams, the streams provide a place to reproduce and... -
The scientists in this study were interested in knowing whether humans and other animals can help disturbed areas of land…The scientists in this study were interested in knowing whether humans and other animals can help disturbed areas of land to become healthy ecosystems again. A mining company in Brazil... -
In 1956, the United States established a national park on one of the Virgin Islands. The United Nations named the national park a Biosphere…In 1956, the United States established a national park on one of the Virgin Islands. The United Nations named the national park a Biosphere Reserve in 1976. To help manage the park as a Biosphere Reserve,... -
When a hurricane occurs, a lot of damage can be done to buildings and other structures. One of the most visible types of damage…When a hurricane occurs, a lot of damage can be done to buildings and other structures. One of the most visible types of damage occurs to trees. The scientists in this study wanted to know more...
