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Place the different periods in chronological order.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the image and drag it to center it.
Display the list and select the discovery of these chemical elements that correspond.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the ...
Mendeleev was not the only creator of the Periodic Table, but one of them. Do you know the rest of the scientists who contributed to its development? Can you locate their existence in time, in which c ...
Display the list and select the discovery of these chemical elements that correspond.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the ...
Display the list and select these scientists that correspond.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the image and drag it to ce ...
Click on the stages of human evolution and drag them to the right places.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the image and d ...
Click on the discovery of these chemical elements and drag them to the right places.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the ...
Click on the different eras and drag them to the right places.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the image and drag it to c ...
Click on the discovery of these chemical elements and drag them to the right places.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on the ...
Click on the theories of the origin of the Universe and drag them to the right places.Enlarge or reduce the image with the zoom and adjust its size to the screen of your device. You can also act on th ...
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