martes, 28 de abril de 2020

NATU 6º Wednesday 29/04

1- Watch this video about oxidation, another type of chemical reaction:


2- Ask this question in "comentarios": 

Why do apples turn brown?


14 comentarios:

  1. Beacuseit gets oxidated by polyphenol , oxigen and iron índice the apple.

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  2. Garcias Ana que ganas
    Antonio
    de vernos😁😁😁😁

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  3. Becouse the oxygen and the iron make a chemical reaction wich is called oxidation.

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  4. Becouse the oxigen and the iron make oxidation
    Jorge

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  5. Because the iron inside the mix with water and oxygen what makes a chemical reaction called oxidation
    Daniela

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  6. When the apple is not cut the apple is ok.But when you cut it begains to turn brown.Becous the insade part makes contact with the air.

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  7. Is when the apple is not cut the apple is brilliant. And when you cut it turn to put brown. because inside the part makes contacact whit the air it looks like rust

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  8. Hello Ana, because when the PPO is mixed with oxygen and the iron of the fruit and it causes a chemical reaction called oxidation.
    Héctor

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  9. Ana because the oxygen an the iron makes a chemical reaction that is called oxidation

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  10. it becomes Brown becouse the Apple have iron and with the oxygen the Apple turns Brown. This chemical reaction is callded oxidation.

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  11. when ppo is exposed to oxigen and the iron thats iside of the apple its cause a reactions
    Samuel

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  12. Because the oxigen and the iron make oxidation

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  13. Because the oxigen contact with the iron and that produce that,for example the apple turns brown

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