How Do Scientists Measure the Depth of the Ocean?
How Do Scientists Measure the Depth of the Ocean? Historically, before scientists developed new techniques, the depth of the ocean was actually measured by sending a...
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What Does the Distress Signal “SOS,” Stand for?
What Does the Distress Signal “SOS,” Stand for? A lot of people think that the distress signal is an abbreviation for “save our souls” or “save our ship.” But in...
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How Does a Submarine Go up and down?
A submarine is different from other ships, though, because it can control its buoyancy. This means the submarine captain can decide when to sink down into the ocean or...
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How Does an Anchor Hold a Ship?
How Does an Anchor Hold a Ship? The weight of a simple cement-can anchor can keep a fisherman’s small boat from drifting away. The iron anchors of ships have flukes...
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