🔬 Science · Earth's Systems

Salt Water vs Fresh Water

Describe and graph the amounts of salt water and fresh water in various reservoirs to provide evidence about the distribution of water on Earth

Typical age: 10–11 years

“Can your child explain that most of Earth's water is salty ocean water, and only a tiny fraction is the fresh water we drink, and show this on a graph?”

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Oceans & Climate
Ocean-climate concept benefits from knowing salt/fresh water distribution
Where water is found on EarthREQUIRED
Must know where water is found before graphing salt water vs fresh water distribution
Representing numbers with objects (age 8+)
Graphing water distribution builds on maths data representation skills

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