WHY DOES IT RAIN? DO SOME PARTS OF THE WORLD RECEIVE MORE RAIN THAN OTHERS? THE WATER CYCLECLOUDSSNOWHAILFIND OUT MOREEarth is unusual among the planets in our Solar System in having an atmosphere…
HOW DO RIVERS BEGIN? WHAT IS A RIVER’S LOAD? HOW DO RIVERS SHAPE THE LANDSCAPE? WHAT IS AN ESTUARY? HOW ARE DELTAS FORMED? LAKESFIND OUT MOREA river is a natural channel down which water flows to…
THE ROCK CYCLE WHAT ARE IGNEOUS ROCKS? WHAT ARE SEDIMENTARY ROCKS MADE OF? HOW ARE METAMORPHIC ROCKS CREATED? MINERALS CRYSTALS GEMSTONES FIND OUT MORE
Earth’s crust is made of…
HOW IS SOIL FORMED? ARE THERE DIFFERENT TYPES OF SOIL? HOW DO LIVING THINGS HELP THE SOIL?SOIL LAYERSFIND OUT MORESoil is one of Earth’s most precious resources. It provides the support and…
WHAT CAUSES LIGHTNING? WHAT CAUSES THUNDER? HURRICANESFIND OUT MOREA storm is a bout of severe weather, with strong winds roaring at more than 55 mph (88 km/h), lightning flashes, thunder, and…
HOW DOES A VOLCANO ERUPT? ARE ALL VOLCANOES DANGEROUS? LAVAFIND OUT MOREA volcano is a vent or weak spot in Earth’s crust through which magma (hot, melted rock) escapes as LAVA. In some places,…
WHAT CAUSES THE WEATHER? FORECASTS FIND OUT MORE
Weather is what is happening in the atmosphere now, at any place on Earth’s surface. It includes the temperature and whether it is wet and…
HOW ARE CAVES FORMED? FIND OUT MORECaves are hollow spaces carved into hillsides or underground by the action of water and the wind. On coasts, pounding waves sometimes hollow out caves in the…
CLIMATE ZONE CLASSIFICATIONWHAT IS A MICROCLIMATE? HAS THE EARTH’S CLIMATE CHANGED OVER TIME? WILL EARTH’S CLIMATE CHANGE IN THE FUTURE? BIOGRAPHY: LOUIS AGASSIZ Swiss, 1807–1873FIND OUT MOREEarth…
WHAT AFFECTS AN AREA’S CLIMATE? WHY DO TROPICAL REGIONS HAVE HOT CLIMATES? WHAT IS A CONTINENTAL CLIMATE? FIND OUT MORE
Every part of the world has its own climate—a characteristic…
