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.
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In this article, learn about soils and the amount of salmon-derived nutrients (SDN) in Southeast Alaska! Salmon-derived nutrients are nutrients…
Food for the Soil: Soil and the Amount of Salmon-Derived Nutrients in Southeast Alaska
In this article, learn about soils and the amount of salmon-derived nutrients (SDN) in Southeast Alaska! Salmon-derived nutrients are nutrients in the soils that are from decomposing salmon. The scientists... -
When a wildfire burns across a forest, logs and stumps on the ground may completely burn up. When this happens…
Don’t Judge a Soil by Its Color: Exploring Forest Soil Following a Wildfire
When a wildfire burns across a forest, logs and stumps on the ground may completely burn up. When this happens the soil beneath and near the logs and stumps is... -
The student scientists used the Soil Quality Index (SQI) to determine the overall health of soils at the Oxbow. (This…
Oxbow Soil Vitality: Is it Healthy?
The student scientists used the Soil Quality Index (SQI) to determine the overall health of soils at the Oxbow. (This article is part of the Student Scientist edition of Natural... -
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil
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... -
In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil (Spanish)
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... -
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…
It’s a Gas! The Exchange of Gases Between the Soil and the Atmosphere
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... -
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…
It’s a Gas! The Exchange of Gases Between the Soil and the Atmosphere (Spanish)
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... -
Forestry operations depend on the continuous supply of healthy tree seedlings. Seedlings are small trees grown from seeds in nurseries.…
To Spray or Not to Spray: Soil Fumigation in Southern Forests
Forestry operations depend on the continuous supply of healthy tree seedlings. Seedlings are small trees grown from seeds in nurseries. To provide healthy seedlings, chemicals are applied to the soil... -
Forestry operations depend on the continuous supply of healthy tree seedlings. Seedlings are small trees grown from seeds in nurseries.…
To Spray or Not to Spray: Soil Fumigation in Southern Forests (Spanish)
Forestry operations depend on the continuous supply of healthy tree seedlings. Seedlings are small trees grown from seeds in nurseries. To provide healthy seedlings, chemicals are applied to the soil... -
Scientists believe that Earth’s climate is getting warmer. If the climate continues to get warmer, then there could be more…
Snowed In? A Closer Look at Soil Activity in the Wintertime
Scientists believe that Earth’s climate is getting warmer. If the climate continues to get warmer, then there could be more cycles of freezing and thawing. The scientists wondered what would...