Tag Archives: answers

So you think you can pH

Cells contain small membrane-bound compartments called vesicles. These vesicles can be so small that you can’t even see them in your typical light microscope. They are used for all sorts of things, from transporting compounds around the cell to deconstructing … Continue reading

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Evaporation

Today we have a question posed by an 8th grade science class. Water goes from a liquid to a gas at its boiling point, so why does water turn into a gas even at room temperature? To understand what’s going … Continue reading

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What is gently buzzing, buzzing at my freezer door?

One of my favorite science questions came in a phone call that went something like this: “The power went out and the freezer thawed. When we opened it up, the freezer had flies in it. How did they get in … Continue reading

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