Saguaro National Park receives about 10 inches of rain a year, but has some of the highest biodiversity in North American. Learn how plants and animals are adapted to a hot and dry environment.
Lesson 4
Science, Math, Architecture
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade
Have you ever heard of time capsules? Because of how architects have designed the world we live in, any building [...]
Lesson 5
Science
6th Grade, 7th Grade, 8th Grade, 9th - 12th Grade
Recovering salmon populations are reviving a “nutrient express” from the ocean to the forest.
Science, Art
These four women from around the world have fought bravely to save the environment. Our heroes are Rachel Carson from [...]