Welcome to our website’s resource library, where we offer an extensive collection of free science materials tailored for K-12 students. Dive into a wealth of educational resources including articles, activities, lesson plans, learning modules, and much more. All materials are free to download!
-
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... -
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... -
Use this modified game of tag to illustrate the spread of an invasive species that has no natural predators in…Use this modified game of tag to illustrate the spread of an invasive species that has no natural predators in its new ecosystem. No equipment required.
