Which statement best describes the molecular motion of the water molecules as a stove top supplies heat?

During an experiment, black pepper was added to water as it boiled strongly, and the pepper moved in a circular pattern from the top of the water to the bottom and back again. What does the circular pattern of the pepper represent?

One end of an iron rod is held over a candle flame. On the other end of the rod, a blob of wax starts to melt. Why is this occurring?

A cup of hot chocolate has a spoon in it. How does the heat move from the hot chocolate to the metal spoon handle?

Henrietta wants to choose a metal that has the best rate of heat conduction so she can use it to make a new frying pan. Which metal is the best choice?

Jose wants to keep a container of juice cold for a long time. Which material would be his best choice?

What is happening when a substance is boiling?

What state of matter is water in at 1 C?

What happens to water at 0 C?

A gram of water boiled for approximately 3 times as long as a gram of acetic acid. Which statement best explains this?

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