Water is continually moving around, through, and above the Earth. It moves as water vapor, liquid water, and ice. It is constantly changing its form. Water on Earth is known by different terms, depending on where it is and where it came from. Full Review »

Grade Range
4th
Rating
Rated 4.0/5 Stars.

Students are introduced to the different adaptations animals living in the desert use to survive. In groups, they participate in two experiments to determine how cacti store water and discover how their skin expands. To end the lesson, they complete their lab sheets and discuss their results as a class. Full Review »