Pbs Teachers:costa Rica: Why So Many Frogs?

Discuss the animals and plants in the rainforest food chain using this lesson. Learners talk about and do research on the top predators from the Costa Rican region and create a model of one of them in class. They also make a visual model...

In many different areas of the world, bats spread diseases that kill humans. Understanding how this happens may be the key to our survival. The video explains the diseases carried by bats, how they spread to other species, and the reason...

Fifth graders examine and discuss the topography, climate, natural resources and artwork of Costa Rica. They develop a diagram of the layers of the rain forest, and design a tourist brochure or advertisement promoting Costa Rica's...

Scientists categorize clouds by both height and shape since both traits impact the weather independently. Viewers fly high to learn about the characteristics of each type of cloud. NOVA explains the composition of clouds, the atmospheric...

Bugs! Bugs! Why are there so many bugs? Find out why is this short video.

Students read "One Tiny Turtle" by Nicola Davies. Using the internet, they research the characteristics of turtles off of the Costa Rica coast. In groups, they complete a worksheet and define vocabulary words they are unfamiliar with. ...

Students explain the different stages in the growth of a frog, then analyze and collect data to make generalizations about a larger population. They determine the survival rate of a population of tadpoles under controlled conditions.

Students use outline maps to become acquainted with Costa Rica. They see how it was formed and how its origin has created very diverse environments. Students then use atlases and compare their physical maps with maps of climate and the...

Young scholars brainstorm what they do that requires land use and use a worksheet to calculate their footprint (the total area of land and water required to produce all the resources they consume). They then compare their footprints to...

Examine why newly-formed lava has little plant life, explain why one generation of plant life allows subsequent plant life to grow in an area and determine why organic soil formation is a slow process.