Seasonal Changes in Plants: Leaf Pigment

If you have taught the first lesson in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to five known and...

A micro-unit on the phase changes of water includes three laboratory activities. Junior scientists compare the densities of ice and water, and then they do the same for cold and warm water. They examine freezing and boiling temperatures....

What factors make up climate? How does longitude and latitude affect climate? What is causing Earth's climate to change? These questions are the topic of a presentation that explains characteristics of climate and climate change.

We live in the Cenozoic Era, and most of the animals we recognize first appeared in this era. However, the animals that existed at the start of the era bear little resemblance to present day. As one part of a larger series, individuals...

How does climate change look from where you're sitting? See the view from around the world in an animated video. The writers from Minute Earth share how changing conditions are impacting the economy, health, and well-being of their...

After a lecture about how the first industrial revolution triggered the path to climate change, your environmental studies class discusses what the impacts are. In a culminating activity, they get into groups and identify countries on a...

Our scholarly friends head to the lake to go fishing and are unpleasantly surprised by the algae filling the water. They talk about primary and secondary succession as different ways that ecosystems are changed. Show the short video,...

Expectant earth scientists examine the bottom side of a leaf and learn the role of the stomata. They consider the gas exchange that occurs through these structures and relate how the climate is changing to its impact on food crops. This...

Show the six-minute video, "Changing Planet: Fading Corals," and then demonstrate how calcium carbonate forms a precipitate in the presence of carbon dioxide. Separate your scientists into small groups to gather information about coral...

The fascinating video "Changing Planet: Fresh Water in the Arctic," introduces your oceanographers to the world's gyres. They learn that melting sea ice is making the gyres larger, and that the changes could, in turn, contribute even...