The plates make up Earth's outer shell, called the lithosphere. (This includes the crust and uppermost part of the mantle.) Churning currents in the molten rocks below propel them along like a ...

Energy stocks have continued their new year support for the FTSE 100 index after ... s advance of 2.6% with a gain of 3.8p to 406.95p. Shell extended a 2% surge by adding 25.5p to 2552.5p, boosted ...

Ask them what they see (the shell buckles in some places; in other places it exposes the white part of the egg). This is how Earth's tectonic plates move. This results in formations of mountains ...