Are plants growing a chemical change or a physical change?

Answer bothAdded correction: It is chemical because you can not simply revert it (newly grown hair) back to its original compounds. Plants (newly grown) are product of many (bio)chemical synthesis react... Read More »

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Is hammering a nail a chemical or physical change?

hammering a nail is a physical change, this is because the nail changes shape from being long to being short and in a board for example.

Is popping corn a chemical or physical change?

Corn undergoes a physical, not chemical, change when it is heated enough to produce popcorn. When the kernal becomes super heated, it literally turns inside out. The explosion creates popcorn as we... Read More »

Is making ice cream a physical or a chemical change?

Making ice cream is a physical change. The ingredients are merely blended together into a homogeneous mixture. Each ingredient can still be removed from ice cream in its original form.References:Ch... Read More »

Cucumber turning into a pickle chemical or physical change?