September 29, 2021
Mixtures – different pure substance mixed together
e.g. coffee – water, milk, cream, sugar, flavor from coffee beans (even we don’t see each component, coffee is a mixture)
Bubble tea – mixture, water, tapioca pearls, sugar, milk, cream
(solid-liquid mixture)
Coca-Cola or Pepsi – water, Coke Syrup, sugar, carbon dioxide (liquid-gas mixture)
Solid-solid mixtures – 2 examples
- most of the things we use/eat in the real world are mixtures
- metal spoons or forks – stainless steel (don’t rust easily). Stainless steel – iron, nickel, zinc, chrome
- next lesson: milk and milk products – liquid-liquid mixture
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