To understand evolution, humans must think in much larger units of time than those we use to define our ... timeline provides a framework for doing so. Geology Introduction: The Changing Planet ...

Together, these layers protect us from the sun’s harmful radiation and keep temperatures on Earth habitable for all ... and Hong Kong Space Museum on our STEM Lab series. Our aim is to encourage ...

Imagine standing on a rugged cliff, the wind whipping past as you gaze at ancient lava fields, fossilized dinosaur footprints ...

The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...