HOW WAS EARTH FORMED? IS EARTH THE SAME ALL THE WAY THROUGH? HOW DOES EARTH SUPPORT LIFE? HOW DOES EARTH MOVE THROUGH SPACE? SEASONSFIND OUT MOREPlanet Earth is a dense, rocky ball about 7,920…
WHY IS EARTH SCIENCE USEFUL? HOW DO EARTH SCIENTISTS WORK? GEOLOGY FIND OUT MORE
Earth science is the study of our planet’s physical characteristics, from earthquakes to raindrops, and…
HAVE EARTH’S CONTINENTS ALWAYS LOOKED THE SAME?WHY DO EARTH’S CONTINENTS MOVE? BIOGRAPHY: ALFRED LOTHAR WEGENER GERMAN, 1880–1930 TECTONIC PLATESFIND OUT MOREDry land covers just under one-third of…
WHAT CAUSES EARTHQUAKES? WHAT HAPPENS DURING AN EARTHQUAKE? WHERE DO MOST EARTHQUAKES STRIKE? HOW ARE EARTHQUAKES MEASURED? FIND OUT MOREEarthquakes are vibrations triggered by sudden rock…
DOES THE ATMOSPHERE REMAIN THE SAME FROM EARTH TO SPACE? WHAT IS ATMOSPHERIC PRESSURE? FIVE ATMOSPHERE LAYERSOZONE LAYERFIND OUT MOREMost life on Earth depends on the atmosphere, a bubble of gases…
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…
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 DO WAVES CHANGE COASTAL LANDSCAPES? TIDESFIND OUT MORECoasts are border zones where the land meets the ocean. There is about 312,000 miles (502,000 km) of coastline worldwide. TIDES, waves,…
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 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…
