outermost shell of the Earth is like a massive jigsaw

An example of analogy and anthropomorphism in popular science writing:

"The outermost shell of the Earth can be likened to a massive jigsaw, but with seven major pieces, and some smaller but no less significant pieces. The Earth's major jigsaw pieces, encompassing areas greater than 20 million km2 (7.7 million sq miles), are the tectonic plates that carry the landmasses. But unlike a normal jigsaw, these plates jostle for position as they attempt to seamlessly float on the Earth's somewhat squidgy underlying mantle."

"When plates attempt to move past, or towards, one another they often get stuck, which can result in huge earthquakes when they eventually becomes unstuck. The San Andreas Fault in the western United States is one example of two plates attempting to glide past one another."

Natalie Starkey

Starkey, N. (2018). Catching Stardust. Comets, asteroids and the birth of the solar system. Bloomsbury Sigma.

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Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.