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2. Both station E and F were difficult to tell whether  the substance was changed or a new substance was created.          - Noah                      

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2. Both station E and F were difficult to tell whether  the substance was changed or a new substance was created.          - Noah                      

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1. You can determine if a physical change has occurred if there is a difference in things like look or smell but the substance is still the same or if the change can be undone without difficulty. You can determine if a chemical change has occurred if a new substance has been created or if it is difficult to reverse the chance. Other clues of a chemical change are when a new chemical appears, heat or light is given off, bubbles of gas are formed, or a precipitate forms in a liquid.-Noah

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1. You can determine if a physical change has occurred if there is a difference in things like look or smell but the substance is still the same or if the change can be undone without difficulty. You can determine if a chemical change has occurred if a new substance has been created or if it is difficult to reverse the chance. Other clues of a chemical change are when a new chemical appears, heat or light is given off, bubbles of gas are formed, or a precipitate forms in a liquid.-Noah

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1. Physical - Size, shape, taste
1. Chemical - Bubbles, colors changing
2. Station c and station f, because I didn't know if there was a new substance being created or not.
4. Change in size, colour or shape.
5. Amount of chemical/substance still left.
6. Read over the instructions a couple times, to make sure I knew what I was doing.

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What science skills did you need to use in this lab? How did you minimize your error?

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What science skills did you need to use in this lab? How did you minimize your error?

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I used educated guesses for some stations that didn’t have reactions or I already had done before. For ones we didn’t know we all discussed most of our thoughts and answers to get multiple point of views and a more accurate observation. - Felicity

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What are some examples of changes you might see happening for a chemical change?

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What are some examples of changes you might see happening for a chemical change?

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One substance could be dissolved or disappear into another substance creating a new one. - Felicity

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What are some examples of changes you might see happening for a physical change?

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What are some examples of changes you might see happening for a physical change?

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Sometimes there can be a change in colour or a change in the substances shape or form. - Felicity

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Does the mass of the ingredients change during physical changes? What about during chemical changes?

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Does the mass of the ingredients change during physical changes? What about during chemical changes?

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It doesn’t during physical changes but It can happen during chemical changes. - Felicity

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Can it be confusing to tell between a physical and chemical change? Give two examples.

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Can it be confusing to tell between a physical and chemical change? Give two examples.

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Yes sometimes because when doing Station C the lemon juice reacted but didn’t change and remained the same substance which caused some debate. The Antacid had barely reacted to the water but was still a chemical reaction which I found confusing. - Felicity

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How can you tell whether a chemical change or a physical change has occurred?

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How can you tell whether a chemical change or a physical change has occurred?

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Physical: The substance only changes forms and can be reversible.
Chemical: Once the substance tests it can’t be changed back.
- Felicity

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you can tell the difference of physical and chemical changes because they both have different reactions to certain things ~ Ainsleigh 

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you can tell the difference of physical and chemical changes because they both have different reactions to certain things ~ Ainsleigh 

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1) physical=a change in size, shape or state chemical= a new substance is formed, unexpected colour change or gives off light or heat
2) station A was confusing because it it was slowly devolving (physical) but it also had bubbles (chemical)
3)during a physical change the mass does not change but may change in a chemical change
4) change in size, shape or state
5) change in colour or substance
6) measure accurately and read instructions carefully
-Grace Winsor

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1. Fresh lemonade because lemon juice and lemonade are similar but different so it was hard to find the answer

2.snapping pencil

3.burning wood

Conclusion. What I learned so far is that basically everything is a chemical or a physical change. Also atoms are always moving and will never stop