Watch this video about the amounts of freshwater and saltwater.
Source: Science Teaching Videos. October 3rd, 2015. 5th grade: Amounts of Saltwater vs. Freshwater.https://youtu.be/fs8RzAPouKQ
Click on this link and listen to this story about the amounts of freshwater and saltwater.
Source: Utell story
Watch this video for a lesson on freshwater.
Source: Crash course for kids. October 3rd, 2015. The basics of freshwater. https://youtu.be/oaQCiwzjnCM