AI Tutor

Premium Lesson

Upgrade to unlock this lesson, practice questions, and your personal tutor.

This lesson is part of a track

Public learning track

Bodies of Water: Freshwater, Saltwater, and Conservation

1st Grade · Science · Open Global Science

7 lessons

Goal

Compare natural water bodies, distinguish freshwater from saltwater, and practice protecting and conserving water.

7 lessons
0 of 7 done
  1. Earth's Water: Oceans, Lakes, and RiversUp next
  2. Comparing Puddles, Ponds, and LakesNot started yet
  3. Exploring Flowing Water: Streams and RiversYou are here
  4. Investigating the Salty OceanNot started yet
  5. Sorting Freshwater and Saltwater HabitatsNot started yet
  6. How Water Gets Polluted and How to Keep It CleanNot started yet
  7. Saving Every Drop: Simple Ways to Conserve WaterNot started yet
View full track

Learning standards covered

GlobalOGS.2.ESS.2Open Global Science Standards 2026™ · 1st Grade

Observe and compare properties of natural bodies of water (puddles, streams, rivers, ponds, lakes, and oceans), distinguishing between freshwater and saltwater, and explaining the importance of water conservation and pollution prevention.