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Question
Which event that takes place while baking cookies is an indicator of a physical change?
(1 point)
Responses
All events are indicators of a chemical change
All events are indicators of a chemical change
Smell of cookies wafting from the oven
Smell of cookies wafting from the oven
Ingredients (flour, salt, sugar, milk, etc.) baking together in the oven
Ingredients (flour, salt, sugar, milk, etc.) baking together in the oven
Chocolate chips melting
Chocolate chips melting
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Correct Response: Chocolate chips melting
Explanation: Melting chocolate chips is a physical change because it involves a change in state (solid to liquid) without changing the chemical composition of the chocolate.