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a chemical change cannot be undone. a physical change changes the look of things 

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a chemical change cannot be undone. a physical change changes the look of things 

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a chemical change is something you cant change bake
and physical is like trying something

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A chemical change cannot be undone. A physical change can be undon

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chemical change happends all the time physical change can't be undone.

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Chemical changes, change everything about the object making it new substance. While physical changes only occur t doesn't change the substance

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chemical change cant be the same physical change is stays the same

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A chemical change forms a new substance, while a physical change remains the same substance but with a different physical appearance.

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A chemical change cannot be undone. A physical change can be undone

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A chemical change cannot be undone. A physical change can be undone.

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Physical change you can separate the mixture but chemical you cannot separate them back.

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a chemical change burns physical change changes forms

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when a cake is baked it releases gases that cause the airy spongy texture, it is a chemical change because it cannot be undone

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In a chemical change the material
its made of changes in a physical change it changes the way it looks not the material its made of

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Chemical - cannot change substance back to the way it started
Physical - can change it back

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chemical change would be a match burning
with a physical change would be where you could change the item back to what it was before you crumpled it up

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A Chemical Change forms new substances. A Physical Change just changes the looks of substances

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chemical change burnt match physical change the color of the match

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chemical change changes turns the object into a new substance and a physical change changes the object the appearance of the object

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Chemical: there is no reversal
Physical: does not change the substance

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chem is irreversible physical is reversible

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1 fact about about chemical changes is it rearranges particles to form a new substance and physical changes only changes the appearance or touch of the substance.

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Chemical changes happen the substance change at an atomic level.  Physical changes happen when a substance is physically change.

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chemical change gives of gases and light like the match in the video was a chemical change and physical change is when they were baking the cake and they mixed two or more substances and when they baked the cake what made the cake change to a golden brown color was the carbon.

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a physical change can be undone and chemical change cannot be undone

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chemical you cant reverse
physical it only looks difeerent

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chmical change burnt match.
phisical change . looks diffent.

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A chemical changes you can't reversible and a physical change you can.

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chemicals are internal physical are outside the body

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While physical change happen you are not changing the substance. While chemical change happens the substance is changing.

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Usually, chemical changes cannot be changed back. Physical changes are usually able to change back to what it was before.

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A physical change changes the appearance of the object. A chemical change turns an object into a new substance

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a chemical change is like brning homework, and a physical change is like coloring someone asleep

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if you go physical you do not go back

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chem Non reversible phys reversible

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chemical change changes the object and you can't make it back to its original object and physical you can mess it up but its still the object

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Physical change doesn't change the thing and is reversible , but chemical change changes it into something different, chemical change releases light and take in or give out heat.

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Physical change: does not change the substance
Chemical change: releases light