1 Classroom Period

Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients…
Soil erosion and sedimentation reduce the diversity of the natural environment. When soil is eroded and sedimentation occurs, important nutrients are carried away from the soil. The scientists in this...

When pairs of flammulated owls get ready to reproduce, they must find a place to build their nest. They need…
When pairs of flammulated owls get ready to reproduce, they must find a place to build their nest. They need a location convenient to a food supply suitable for baby...

One job of wilderness managers is to teach people how to behave when they visit a wilderness area. One of…
One job of wilderness managers is to teach people how to behave when they visit a wilderness area. One of the ways students learn about how to behave when they...

In this FACTivity, you will examine the rings on a cross-section of a tree trunk. Can you determine how old…
In this FACTivity, you will examine the rings on a cross-section of a tree trunk. Can you determine how old the tree is and what growing conditions it experienced? Then...

In recent years, populations of quaking aspen have been in decline in the Western United States. Stands of aspen are…
In recent years, populations of quaking aspen have been in decline in the Western United States. Stands of aspen are now mixed with conifer trees. Each year, fewer aspen-dominated stands...

In this FACTivity, you will examine the rings on a cross-section of a tree trunk. Can you determine how old…
In this FACTivity, you will examine the rings on a cross-section of a tree trunk. Can you determine how old the tree is and what growing conditions it experienced? Then...

In this FACTivity, you will compare and contrast sterilized potting soil with soil samples taken from the woods, a garden,…
In this FACTivity, you will compare and contrast sterilized potting soil with soil samples taken from the woods, a garden, or a yard or field. As an extension activity, you...

In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to…
In the Western United States, shallow rocky soils and a dry climate often make it hard for new trees to grow in areas that have been harvested of older trees....

In this FACTivity, you will compare and contrast sterilized potting soil with soil samples taken from the woods, a garden,…
In this FACTivity, you will compare and contrast sterilized potting soil with soil samples taken from the woods, a garden, or a yard or field. As an extension activity, you...

In this FACTivity, you will determine whether trampling has an effect on plants by simulating different conditions. Materials: Four shoeboxes…
In this FACTivity, you will determine whether trampling has an effect on plants by simulating different conditions. Materials: Four shoeboxes or similarly sized boxes, lined with plastic Four squares of...