Ocean and river water
River and lake water comes from rain, snow, and melting ice. This makes it fresh and safe to drink. Ocean water collects salt from rocks and weather over many years, so it is salty and not safe to drink straight.
See worked examples
In science class, Jonah asks: Which water source has the most salt, a lake or the sea?
- Sea (right)
- Pond
- River
In science class, Kai asks: Which water source has the most salt, a lake or the sea?
- Sea (right)
- Pond
- River
Jonah drinks water from a bottle labeled 'River Water'. Is this water likely to be salty?
- No (right)
- Maybe
- Yes
Tip: River and lake water comes from rain, snow, and melting ice. This makes it fresh and safe to drink. Ocean water collects salt from rocks and weather over many years, so it is salty and not safe to drink straight.
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