Did you know that the theory of plate tectonics suggests that the Earth's lithosphere is divided into several large plates that float on the semi-fluid asthenosphere? This groundbreaking theory, first proposed by Alfred Wegener in 1912, explains the movement of these plates and how it shapes the Earth's surface. According to the theory, the plates move due to the heat generated by the Earth's core, creating various geological phenomena such as earthquakes, volcanic eruptions, and mountain formation. The movement of these plates also explains the existence of similar fossils and rock formations on continents that are now separated by vast oceans. One of the key pieces of evidence supporting the theory of plate tectonics is the jigsaw fit of the continents. When you look at a map, you may notice how the coasts of South America and Africa seem to fit together like puzzle pieces. This suggests that these continents were once connected and later drifted apart. Overall, the theory of plate tectonics revolutionized our understanding of Earth's dynamic processes and continues to shape the field of geology. It teaches us that the Earth's surface is not static, but constantly in motion, forming and reforming over millions of years. This understanding not only helps us explain past geological events but also predicts future changes in our planet's landscape.