1 Classroom Period
In this FACTivity, you are going to discover whether a sample of your class can represent the whole class. You…
In this FACTivity, you are going to discover whether a sample of your class can represent the whole class. You will conduct a short survey about recreational activities and compare...
When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…
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 humans divert water from mountain streams, there is less water in the streams at certain times. The scientist in…
When humans divert water from mountain streams, there is less water in the streams at certain times. The scientist in this study wanted to know whether stream channels are changed...
When vegetation near streams and rivers is disturbed or removed, it can no longer hold the soil in place. When…
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...
Do you know anyone who has gone snow skiing or snowboarding in the past year? Over the past 30 years,…
Do you know anyone who has gone snow skiing or snowboarding in the past year? Over the past 30 years, outdoor activities like skiing have been growing in popularity, with...
In many places where martens live, trees are harvested for wood products, leaving martens with an environment very different from…
In many places where martens live, trees are harvested for wood products, leaving martens with an environment very different from the forested one they prefer. When tree harvesting occurs, the...
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....
Sunlight is the source of energy for plants, which create food through photosynthesis. Photosynthesis occurs in the foliage, or the…
Sunlight is the source of energy for plants, which create food through photosynthesis. Photosynthesis occurs in the foliage, or the green leaves or needles, of a plant. The amount of...
When humans divert water from mountain streams, there is less water in the streams at certain times. The scientist in…
When humans divert water from mountain streams, there is less water in the streams at certain times. The scientist in this study wanted to know whether stream channels are changed...
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...