Encyclopedia

What was the Industrial Revolution? The Industrial Revolution was the time when machines were increasingly used to do work that had been done by people. The change began in Britain in the late 1700s and eventually spread throughout the world. The... Read More

How do mountains form? Some mountains form from volcanoes. Dome Mountains occur where magma near the Earth's surface forms a rounded bulge of rock, but does not erupt to become a volcano. Fold Mountains form when two colliding plates cause the... Read More

What happens at Jewish Passover? Passover is an important religious festival that Jews celebrate with special prayers and food. It begins with the Seder – a meal and a story about the history of Passover. Passover is the times to Jews were... Read More

Why do volcanoes erupt? Volcanoes erupt when some of the hot magma (liquid rock) from below the Earth's surface squeezes up through holes in the surface. Magma is so hot that it melts solid rock in its path and makes a tunnel through the crust just... Read More