Scientists make an important discovery! They now observe how the ocean seafloor moves. This is the first time anyone sees it happening directly. Earth has big pieces called tectonic plates. These plates slowly move apart. When they move apart under the ocean, new seafloor forms. We know this happens, but watching it is very hard.
A special team of scientists uses tools deep in the ocean. They put these tools on the seafloor. The tools help them watch the movement. They see how the plates pull away from each other. This pulling apart creates new land under the water. It is like a crack opening up and new material filling it.
This new observation helps us understand our planet better. It shows us how Earth's surface changes over a very long time. It is a big step for science because now we can truly see this slow but powerful process in action.
To watch something carefully, especially to learn about it.
The bottom of the sea or ocean.
Large, flat, and rigid sections of the Earth's outer layer.
What do scientists observe for the first time?
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