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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. 

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LET'S OBSERVE!

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. 

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Review & Dive Deeper

How do you describe an estuary? 

How does the health of a watershed impact an estuary? 

SCIENTIST NOTEBOOK

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?

Draw a picture of the different layers of water in an estuary and label them. 

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YOU DID IT! 

You successfully completed level three by observing how density works!  Don't forget to add your newly earned badge to your achievement chart before getting started on the next level. 

KEEP GOING!

Now that you've completed this activity, let's dive a bit deeper and earn your next badge.

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