Earn Your Squid Badge
In this lesson we'll learn what density means and see what happens when freshwater mixes with saltwater in an estuary.
Let's see what happens in an estuary when freshwater from a river mixes with saltwater from the ocean. This mixture of saltwater and freshwater is called brackish water. What do you think will happen when they all mix? Watch the video to find out.
Review & Dive Deeper
How do you describe an estuary?
How does the health of a watershed impact an estuary?
Let's record some data from our activity. What did you observe about the different types of water in an estuary? Which one has the most density?