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Tuesday, 9/25/07

Look to yesterday’s post to see about tonight’s homework.

When you think about chemical and physical changes think about this:

Did the object stay the same, but you just changed the size, shape, color, texture, hardness, or state (gas, liquid, solid)? If so, you have made a PHYSICAL CHANGE.

Did you create something new, something that wasn’t there when you started (like bubbles or a lack of color where there was color before)? If so, you have made a CHEMICAL CHANGE.

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