In a rush? Click here to skip to printing the free learning activity! You may have noticed the unique rings that appear on tree stumps – and you might even know that you can figure out a tree’s age by counting the rings! But did you know that scientists can use tree growth rings to […]
Tag: climate change
In a rush? Skip directly to download the learning activity for this post! In part one of this two-part post on the water cycle, we learned how the water cycle makes life possible for land-dwelling plants and animals, including humans. The water cycle provides the constant source of freshwater that we need to survive. The […]