Sunday, December 6, 2009

Heating and Changing Matter




Read the article and answer the questions on the blog. Type your name below your answers.



1. Can you identify any of these changes?


2. How could these type of changes be useful to people?

12 comments:

  1. Changes in color, texture, and smell. A change in smell could help someone to give their home a fresh scent.

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  2. 1)fire 2) when fire burns it gives off heat. which we need to survive
    -Colin Eaton

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  3. 1. Changes include Solid to liquid, liquid to gas, and solid to gas

    2. One of the most obvious reasons that it would be useful is in the study of one of those solids in gas form. Putting those gases into solid form makes it possible to study further about the element.

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  4. 1: Some of the changes are smell, look, and color.

    2:For example, a change in look could help a person identify a substance if they were unsure of what the substance is.

    - Matthew Kalhofer

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  5. 1) Those changes are solid to liquid, liquid gas, and liquid to solid.

    2) They would be useful for many reasons. People will be able to then research further on items by seeing them in there solid, liquid, and gas forms.

    --Rees

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  6. 1.) Some changes can be melting, freezing, or turning to a gas. Others can be color changes.
    2.) Well, for one thing, you can't eat a cake before heat is added and it becomes a solid; chemical changes help with food.

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  7. 1. Solid to liquid, liquid to gas, and liquid to solid.

    2.There are many ways it can benifit man, for example if you are in Antartica and need water you can melt snow to make water. Solid to liquid

    Riley, Miller

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  8. some changes could be freezing melting or being turned in to a gas. people could use this if they were making some kind of drink. drinks could use heat if it were something like hot chocolate or they might have to freeze water to make ice to put in lemonade.

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  9. 1.These changes are very visible. You can see them when somthing bubbles,changes color and smokes and many other things. 2.Yes this can be very important like when making a cake so you know when the chocalte is a liquid so you can spread. -Zack Emrich

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  10. 1)one change is a change in color

    2)this is helpful because the leaves can change color in the fall.

    -amala bender

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  11. 1)solid to liquid, liquid to solid, liquid to gas, solid to gas, gas to solid

    2)these changes can be useful because by changing them, they can be used in different ways such as ice and water

    ReplyDelete
  12. 1)solid to liquid, liquid to solid, liquid to gas, solid to gas, gas to solid

    2)these changes can be useful because by changing them, they can be used in different ways such as ice and water

    ReplyDelete