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Flashcards: Argue changes caused by heating/cooling can't be reversed

Today Patrick and Annie's mother made French toast for breakfast. She asks them if the changes to the bread can be reversed or not. Annie says the changes cannot be reversed, and Patrick says the changes can be reversed. Using this example, who is correct, Annie or Patrick, and why?

Patrick; He is correct because the changes to the bread can be reversed. The bread would be able to be cooked and then turned back into plain bread.

Neither; Annie and Patrick are both incorrect.

Annie; She is correct because this is a change that cannot be reversed. If the bread has been cooked and made into French toast, it cannot be turned back into plain bread.

There is not enough information to decide who is correct.

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Flashcards: Argue changes caused by heating/cooling can't be reversed

Your answer:

Patrick; He is correct because the changes to the bread can be reversed. The bread would be able to be cooked and then turned back into plain bread.

Your answer:

Neither; Annie and Patrick are both incorrect.

Your answer:

There is not enough information to decide who is correct.

Correct answer:

Annie; She is correct because this is a change that cannot be reversed. If the bread has been cooked and made into French toast, it cannot be turned back into plain bread.

Explanation:

In the situation presented, Annie is correct. The changes to the bread are not able to be reversed once it has been heated up and turned into French toast. In some instances, these changes can be reversed like an ice cube or chocolate bar. If these items are melted, they can be cooled and will return to a solid. Once the bread is cooked, it cannot be changed back.

Flashcards: Argue changes caused by heating/cooling can't be reversed

Today is the 4th of July, and Sammie's dad celebrated with fireworks. He lit them in the yard for everyone to see. His dad asks them if the changes made to the fireworks can be reversed or not. Sammie says the changes cannot be reversed, and his dad says the changes can be reversed. Using this example, which is correct, Sammie, or his father, and why?

Sammie's father; He is incorrect in this situation because the changes to the fireworks from being heated cannot be reversed. He thinks they can be reversed.

Neither; both Sammie and his father are wrong

Sammie; He is correct in this situation because the changes to the fireworks from being heated cannot be reversed.

There is not enough information to decide who is correct.

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Flashcards: Argue changes caused by heating/cooling can't be reversed

Your answer:

Sammie's father; He is incorrect in this situation because the changes to the fireworks from being heated cannot be reversed. He thinks they can be reversed.

Your answer:

Neither; both Sammie and his father are wrong

Your answer:

There is not enough information to decide who is correct.

Correct answer:

Sammie; He is correct in this situation because the changes to the fireworks from being heated cannot be reversed.

Explanation:

Sammie is correct in this situation. Once the fireworks are lit and the explosion happens, there is no way for this change to be reversed. The firework cannot be "unlit" and put back into the container once the heat has been applied. Something like a chocolate bar can have heat applied and then reversed once it is cooled, but fireworks are an example of something that cannot be changed.

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Flashcards: Argue changes caused by heating/cooling can't be reversed

Flashcards: Argue changes caused by heating/cooling can't be reversed

Flashcards: Argue changes caused by heating/cooling can't be reversed

Flashcards: Argue changes caused by heating/cooling can't be reversed

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All 2nd Grade Science Resources

Flashcards: Argue changes caused by heating/cooling can't be reversed

Flashcards: Argue changes caused by heating/cooling can't be reversed

Flashcards: Argue changes caused by heating/cooling can't be reversed

Flashcards: Argue changes caused by heating/cooling can't be reversed

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DMCA Complaint

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