Volcanoes Facts for Kids

The 1991 eruption of Mount Pinatubo in the Philippines lowered the world's average temperature by about 0.5°C for two years.

Olympus Mons on Mars is so wide that if you stood on its edge, you couldn't see the summit because it would be beyond the horizon.

Black sand beaches in Hawaii and Iceland are made of tiny fragments of volcanic basalt rock broken down by the ocean.