¿Por Qué Hace Calor Bajo Tierra?

What analogy did Lord Kelvin use to describe the cooling of the Earth?

• A boiling kettle

• A roasted potato

• A melting ice cube

• A burning candle

Why was Lord Kelvin's estimate of the Earth's age incorrect?

• He did not account for the heat from radioactive decay

• He used inaccurate temperature measurements

• He underestimated the size of the Earth

• He assumed the Earth was flat

What is the primary reason Kelvin's calculations were not significantly improved by accounting for radioactivity?

• Radioactivity only affects the Earth's surface

• Radioactivity was not present in the Earth's core

• Radioactivity moves heat too slowly through solid rock

• Radioactivity was overestimated in his calculations

What geological phenomena are influenced by the convection currents in the Earth's mantle?

• Hurricanes

• Tsunamis

• Volcanoes and plate tectonics

• Earthquakes

How do convection currents affect the distribution of heat within the Earth?

• They prevent heat from reaching the crust

• They cool the Earth's surface rapidly

• They evenly distribute heat across the planet

• They trap heat in the core