1 Classroom Period

Water temperature helps regulate aquatic ecosystems, and, for many aquatic organisms, life-cycle phases are tied to water temperature. Salmon eggs,…
Water temperature helps regulate aquatic ecosystems, and, for many aquatic organisms, life-cycle phases are tied to water temperature. Salmon eggs, for example, generally require a certain number of degree days...

When snow melts or rain falls, some of the water runs off into streams or rivers. Most of the water,…
When snow melts or rain falls, some of the water runs off into streams or rivers. Most of the water, however, goes down into the soil. The water that stays...

Sharing experiences is an important way for people to think about experiences they have had and better understand how those…
Sharing experiences is an important way for people to think about experiences they have had and better understand how those experiences relate to their entire life. The scientists in this...

In this FACTivity, you will answer the question, “Does writing and reflecting on an experience help you to learn or…
In this FACTivity, you will answer the question, “Does writing and reflecting on an experience help you to learn or understand something better?” An extension activity where you will write...

The idea of protecting lands as wilderness did not happen overnight. Before the National Wilderness Preservation System was established in…
The idea of protecting lands as wilderness did not happen overnight. Before the National Wilderness Preservation System was established in 1964, many people took actions that helped Americans understand the...

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...

In this FACTivity, you will create an illustration model of your schoolyard’s ecosystem. The question you will answer in this…
In this FACTivity, you will create an illustration model of your schoolyard’s ecosystem. The question you will answer in this FACTivity is: How is a schoolyard ecosystem model similar to...

As the climate changes, the tree species living in a forest may also change. This change means that some trees…
As the climate changes, the tree species living in a forest may also change. This change means that some trees species may die and new species may move into the...

In this study, scientists wanted to examine how the harvest of horseshoe crabs in Delaware Bay affects the red knot.…
In this study, scientists wanted to examine how the harvest of horseshoe crabs in Delaware Bay affects the red knot. The red knot is a migratory bird. The red knot...

Denali National Park in Alaska has one of the largest reported golden eagle nesting populations. Golden eagles are legally protected…
Denali National Park in Alaska has one of the largest reported golden eagle nesting populations. Golden eagles are legally protected to help the population survive. Park managers were not sure...