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The question you will answer in this FACTivity is, “Should forest managers allow mountain biking in potential wilderness areas?” To…
The question you will answer in this FACTivity is, “Should forest managers allow mountain biking in potential wilderness areas?” To answer this question, you will read background information about the...

In this FACTivity, students will use information from the U.S. Environmental Protection Agency’s Sun Safety UV Index, formerly known as…
In this FACTivity, students will use information from the U.S. Environmental Protection Agency’s Sun Safety UV Index, formerly known as the Sunwise program. Students will record the daily UV Index...

The nun moth is a major pest of conifers and an occasional pest of broadleaf trees in Europe and Asia.…
The nun moth is a major pest of conifers and an occasional pest of broadleaf trees in Europe and Asia. The scientist in this study wanted to discover which trees...

Investi-gator is a sister publication to Natural Inquirer, serving students in grades 4 or higher. In this Investi-gator edition, you…
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....

To commemorate the 50th anniversary of the Apollo 14 mission, NASA and the Forest Service teamed up to send out…
To commemorate the 50th anniversary of the Apollo 14 mission, NASA and the Forest Service teamed up to send out a new generation of Moon Tree seeds. This card set...

The scientists in this study developed a process to help managers identify management priorities. As conditions change over time, the…
The scientists in this study developed a process to help managers identify management priorities. As conditions change over time, the managers wanted to adapt their management priorities to fit the...

The tree line is the edge of a habitat at which trees are capable of growing. In this study, the…
The tree line is the edge of a habitat at which trees are capable of growing. In this study, the scientists wanted to examine dead trees that they found above...

Is there a point when a tree doesn’t hold enough carbon to make up for the emissions released to care…
Is there a point when a tree doesn’t hold enough carbon to make up for the emissions released to care for the tree? Scientists in this study want to know...

Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss…
Too much carbon dioxide (CO2) in the atmosphere is mostly caused by two things: burning fossil fuels and the loss of trees. Urban trees help to keep urban areas cooler,...

In “Batter Up,” learn about how engineers designed a test to determine baseball bat breakage rates for different types of…
In “Batter Up,” learn about how engineers designed a test to determine baseball bat breakage rates for different types of wood.

Much of what humans do depends on the land that we live on. No matter how much humans change the…
Much of what humans do depends on the land that we live on. No matter how much humans change the land, it is still important to understand the history and...

Much of what humans do depends on the land that we live on. No matter how much humans change the…
Much of what humans do depends on the land that we live on. No matter how much humans change the land, it is still important to understand the history and...