Lessons 3, 4, 5

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question		réponse
physical change commencer à apprendre		a change that begins and ends with the same type of matter
chemical change commencer à apprendre		a change that begins with one type of matter and ends with a new type with none of the properties of the original matter
alloy commencer à apprendre		a substance that is mixed with a metal to make it stronger
When you crumple paper, that is a commencer à apprendre		physical change
When you burn sugar, you end up with commencer à apprendre		water vapor and carbon
I rust a physical or chemical change? commencer à apprendre		chemical
Ice to water is what kind of change? commencer à apprendre		physical

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