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The Natural Inquirer is FREE!
However, due to recent government funding changes, we are currently only able to ship bulk orders. We hope that we will be able to resolve this issue in the near future. Our materials are still available to download for free.
The Natural Inquirer program produces free science education materials for PreK through grade 12. Natural Inquirer products are produced by the USDA Forest Service, FIND Outdoors, and other cooperators and partners.

The Natural Inquirer is FREE!
However, due to recent government funding changes, we are currently only able to ship bulk orders. We hope that we will be able to resolve this issue in the near future. Our materials are still available to download for free.
The Natural Inquirer program produces free science education materials for PreK through grade 12. Natural Inquirer products are produced by the USDA Forest Service, FIND Outdoors, and other cooperators and partners.
- The minimum required quantity for Caves and Karst Natural Inquirer - Vol. 20 No. 1 (FS-1154) is 20.
Showing 25–36 of 37 results
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In this edition of Natural Inquirer, you will learn about the world’s forests. Every 5 years the Food and Agriculture…
In this edition of Natural Inquirer, you will learn about the world’s forests. Every 5 years the Food and Agriculture Organization, or FAO, publishes a report about the world’s forests,…
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Is the Earth’s environment changing over time? In the past few years, most scientists have agreed on at least one…
Is the Earth’s environment changing over time? In the past few years, most scientists have agreed on at least one thing about the changing environment. They have agreed that measured…
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Ecosystem services are the benefits that nature provides through natural processes. For example, plants provide clean air, natural fire helps…
Ecosystem services are the benefits that nature provides through natural processes. For example, plants provide clean air, natural fire helps cycle nutrients, and bats act as insect control. Ecosystem services…
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What is bioenergy? “Bio-” is related to living or once living things. Bioenergy is a source of energy that uses…
What is bioenergy? “Bio-” is related to living or once living things. Bioenergy is a source of energy that uses living or once living things. It is not used as…
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Earthworms are important parts of an ecosystem. Are native or nonnative earthworms more common in the forests of north Georgia?…
Earthworms are important parts of an ecosystem. Are native or nonnative earthworms more common in the forests of north Georgia? The scientists studied this using pitfall traps in the woods….
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The scientists in this study conducted an experiment to see how much carbon is stored in a tree’s roots versus…
The scientists in this study conducted an experiment to see how much carbon is stored in a tree’s roots versus its leaves. The monograph explores the relationship between carbon, photosynthesis,…
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In this edition of Natural Inquirer, you will learn about several different invasive species. Invasive species are plants, animals, or…
In this edition of Natural Inquirer, you will learn about several different invasive species. Invasive species are plants, animals, or organisms that are not native to the ecosystem they are…
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What are urban forests? Urban forests are the trees and other plants that grow where people live, go to school,…
What are urban forests? Urban forests are the trees and other plants that grow where people live, go to school, work, and play. Even if you live in a rural…
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This edition of the Natural Inquirer is all about wildland fire. You will learn about the benefits of wildland fire,…
This edition of the Natural Inquirer is all about wildland fire. You will learn about the benefits of wildland fire, as well as some of its dangers. You will learn…
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This edition of the Natural Inquirer is all about wildland fire. You will learn about the benefits of wildland fire,…
This edition of the Natural Inquirer is all about wildland fire. You will learn about the benefits of wildland fire, as well as some of its dangers. You will learn…
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Enjoy a journey to the tropics! In the Natural Inquirer Tropical Forest edition, readers will learn about the plants and…
Enjoy a journey to the tropics! In the Natural Inquirer Tropical Forest edition, readers will learn about the plants and animals that make the tropics special. The tropics are the…
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Having you ever been to the Rocky Mountains? The Rocky Mountain region of the United States is famous for its…
Having you ever been to the Rocky Mountains? The Rocky Mountain region of the United States is famous for its mountains, outdoor recreation, and wildlife. This journal focuses on research…