martes, 10 de marzo de 2020

Matter

Hi guys!

Do you want to know EVERYTHING about matter? Alright, then have a look at this great video about it. Enjoy!


16 comentarios:

  1. I think reversible is if we have something we can change the form and then we can change it to the original form and ireversible is if we have something we can change the form but then we can't change it to the original form

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    1. That's a good explaination Paola! When we apply a chemical change in any matter, this matter transforms into a new one. That's the difference! Thanks for your job!

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  2. I think that reversible change is something that when we destroid or undo you can made again for example if you break a shirt you can sew it and if it fits you once again well and on the contrary the irreversible change if you break you cannot put it back together for examle a piece of wood

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  3. i think that
    In a chemical reaction the initial properties of the substance are very different from the properties of the substances that are formed. Example a combustion of a paper that is transformed into ashes.
    In a physical reaction the properties of the starting substance do not change. For example, heat makes solid water go liquid.

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    1. Este comentario ha sido eliminado por el autor.

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    2. Well done Andy! I'm waiting for your comments for today's homework!

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  4. i think resersible is when whe have a paper (for example) and we can doit a ball beocuse when you quit the ball tthe paper is normaly and ireversible is when we have an object and we can't transform to the origina form

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  5. In reversible changes we can undo. For example if we freeze liquid water, it becomes in ice but if we heat the ice we have again liquid water.
    In ireversible changes we can't undo. For example if we burn wood we can't the same wood that we had at the beginning.

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  6. I think that it was an interesting video about the matter. Now I know how we separate mixtures. And I also know what types of mixtures there are. Now I am aware of reversible and irreversible changes.
    José Manuel

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  7. Hi guys! Excellent job!
    I need to beg you something: can you write your name in the comments when you are anonymous? I don't know who wrote some of the comments, and they are great!

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  8. I think that the video is very interesting ,I really like it .
    If we have something that weighs it cannot float in the water or if it have more density than the water it cannot float
    Reversible change =that we can change the shape
    Irreversible change = that we can't undo the shape
    With this video I have learned many more things. Like more thinks of regular and irregular changes and more thinks of the water
    MARIA LASTRES LOZANO

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  9. Hi teacher,I´m Silvia sorry for not answering before.
    I think a reversible change is a change that if we change it we can undo. For example, if we tie our shoelaces we can undo.

    And a irreversible change is a change that if we change it we can´t undo. For example, if we brake a glass we can´t undo

    Silvia Cabello

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