What is asthenosphere?

The asthenosphere is like a squishy layer beneath Earth’s crust that helps things move around.

Imagine you're playing with playdough. If you push your fingers into it, the playdough slowly moves and changes shape, not right away, but after a little time. That's kind of what the asthenosphere does deep inside the Earth. It's like a soft, slow-moving layer that helps the lithosphere, which is the hard outer part of Earth (like your skin), move around.

Think of the asthenosphere as a thick, hot jelly beneath the Earth’s surface. When the Earth moves, when mountains form or continents drift apart, it's because this jelly-like layer helps the harder parts above it shift and slide slowly over time.

Even though it's deep underground, this soft layer is important because it lets the Earth change and move without being too rigid. It's like how your body can bend and stretch when you play, not all stiff and still!