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5. Fred and Freida Flubstern just purchased a new home. Fred decided to repair the roof as he liked working in the
clean air. He took the box of iron nails and wooden shingles and replaced the rusting nails and rotting shingles. Fred
asked Freida to fix him some fresh squeezed lemonade. The lemonade was good; it had just the right amount of
sugar and filled with ice, which melted on the warm day. The sugar in the lemonade provided just the energy Fred
needed to finish the job. After Fred finished, he and Freida drove to town. They stopped at the gas station to buy gasoline, the
hardware store to buy copper pipes and a can of black spray paint and the grocery store to buy milk, cereal, and salt.
They enjoyed the drive home, seeing that the leaves on the trees had turned color, signaling the beginning of fall. a. List the changes, either physical or chemical, that are happening in the story above. Correctly categorize the
changes as either physical or chemical change. b. List the items from the narration. Correctly categorize the items as element, compound, heterogeneous mixture,
or homogeneous mixture.

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Ans- Iron nails - element Wood shingles - Heterogeneous mixture ( So many compounds like cellulose, lignin, water & hemi... View the full answer

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