![Build a watershed](https://www.bigbluenetwork.org/wp-content/uploads/2018/05/Educators-Guide-Marine-Debris-4-355x502.jpg)
Building a watershed-Experiment
Target Group: Primary School
Language: English
Subject: Ocean
Ocean Literacy Principle: 2,4,6
Activities:
Students build a model of their own watershed in small groups. They predict how they can prevent marine debris entering the ocean.
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Materials:
Sand, soil, gravel, water, big container (1 per group), permanent markers, spray bottles (1 per group), bottles, computer, projector.