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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... -
In this FACTivity, you will answer the question: What kinds of physical characteristics might different birds have to help them…In this FACTivity, you will answer the question: What kinds of physical characteristics might different birds have to help them capture their food? You will answer this question by designing... -
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... -
In this FACTivity, you will simulate the greenhouse effect and answer the question: What are the similarities between a glass…In this FACTivity, you will simulate the greenhouse effect and answer the question: What are the similarities between a glass jar with soil and the Earth’s atmosphere? Materials: Two thermometers... -
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... -
For this FACTivity, you will answer the question: What is the relationship between tree height and the diameter at breast…For this FACTivity, you will answer the question: What is the relationship between tree height and the diameter at breast height (DBH)? In other words, when trees get taller, does... -
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,... -
In this FACTivity, you will explore the bacteria living in the soil near your home or school. The question you…In this FACTivity, you will explore the bacteria living in the soil near your home or school. The question you will be answering is: What kind of bacteria live in... -
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... -
For this FACTivity, you will answer the question: What is the difference between having a 50 percent chance of having…For this FACTivity, you will answer the question: What is the difference between having a 50 percent chance of having something happen and having less or more than a 50...
