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!
Investi-gator is a sister publication to Natural Inquirer, serving students in grades 4 or higher. In this Investi-gator edition, you…
Animals and Ecosystems of the Southwestern United States Investi-gator (Rocky Mountain Research Station) – Vol. 3 No. 1
Investi-gator is a sister publication to Natural Inquirer, serving students in grades 4 or higher. In this Investi-gator edition, you will learn many interesting facts about the Southwestern United States....
From 1920 to 1950, a tree species called albizia (Falcataria moluccana) was brought to Hawai‘i from islands located north and…
Don’t Litter the Stream: An Invasive Tree Species and a Hawaiian Stream Food Web
From 1920 to 1950, a tree species called albizia (Falcataria moluccana) was brought to Hawai‘i from islands located north and northeast of Australia. A fast-growing tree, albizia now grows all...
In this FACTivity, you will answer the question: What are some ways that albizia leaves may be changing the Hawaiian…
FACTivity – Don’t Litter the Stream!
In this FACTivity, you will answer the question: What are some ways that albizia leaves may be changing the Hawaiian stream food web? Materials: Food web circles (included) Paper for...
The question you will answer in this FACTivity is, “How might fish and other aquatic life be affected by turbidity?”…
FACTivity – Full Throttle Model
The question you will answer in this FACTivity is, “How might fish and other aquatic life be affected by turbidity?” You will answer this question by building a model to...
When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…
FACTivity – Go With the Flow!
When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When this happens, soil may flow into streams and rivers. What...
When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…
FACTivity – Go With the Flow! (Spanish)
When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When this happens, soil may flow into streams and rivers. What...
In this FACTivity, you will be the scientist and analyze real-time streamflow data from the three rivers that the scientists…
FACTivity – Mussel Mania
In this FACTivity, you will be the scientist and analyze real-time streamflow data from the three rivers that the scientists in this study studied. The question you will answer in...
Pick four words from the glossary for “Logjams and Beaver Dams” to illustrate in the graphic organizer provided. Pretend that…
Illustrated Glossary Challenge – Logjams and Beaver Dams
Pick four words from the glossary for “Logjams and Beaver Dams” to illustrate in the graphic organizer provided. Pretend that you are making these drawings for a younger child to...
Carbon is naturally stored in the environment. In fact, carbon is in every living thing. Some habitats are better at…
Logjams and Beaver Dams – Vol. 1 No. 18
Carbon is naturally stored in the environment. In fact, carbon is in every living thing. Some habitats are better at storing carbon and that impacts the entire carbon cycle. In...
Scientists know little about the movement of litter and dead wood from forests to rivers in mountainous temperate ecosystems. Studying…
Logjams and Beaver Dams: How Different Landforms Affect the Amount of Carbon in an Ecosystem
Scientists know little about the movement of litter and dead wood from forests to rivers in mountainous temperate ecosystems. Studying this movement is one way that scientists can better understand...
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, students meet…
Meet Dr. Flitcroft – Spanish
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, students meet Dr. Becky Flitcroft who studies Coho salmon.
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, students meet…
Meet Dr. Flitcroft! – Vol. 1 No. 7
Natural Inquirer Readers for students in grades K-2 focus on a scientist and their research. In this Reader, students meet Dr. Becky Flitcroft who studies Coho salmon.