Which of the following describe a physical change? (Select All That Apply)ResponsesBoiling a pot of water to make a spot of tea.Boiling a pot of water to make a spot of tea.Mixing salt, pepper, paprika, and sugar to make a seasoning.Mixing salt, pepper, paprika, and sugar to make a seasoning.Frying an egg for breakfast.Frying an egg for breakfast.Crumping up your last math test.
Question
Which of the following describe a physical change? (Select All That Apply)ResponsesBoiling a pot of water to make a spot of tea.Boiling a pot of water to make a spot of tea.Mixing salt, pepper, paprika, and sugar to make a seasoning.Mixing salt, pepper, paprika, and sugar to make a seasoning.Frying an egg for breakfast.Frying an egg for breakfast.Crumping up your last math test.
Solution
The following describe a physical change:
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Boiling a pot of water to make a spot of tea: This is a physical change because the water is changing its state from liquid to gas, but it's still water. No new substance is formed.
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Mixing salt, pepper, paprika, and sugar to make a seasoning: This is also a physical change. Even though the ingredients are mixed together, they each retain their own properties. No new substance is formed.
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Crumpling up your last math test: This is a physical change because the paper is still paper, just in a different form. No new substance is formed.
Frying an egg for breakfast, however, is not a physical change. It's a chemical change because the heat changes the properties of the egg, creating a new substance.
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