ICE SHEETSFIND OUT MOREAbout one-tenth of Earth’s dry land and one-eighth of its oceans are covered with ice. This ice is made of snow that collects and becomes compacted (pressed down).…
BEDROCKSEDIMENTARY ROCKSIGNEOUS ROCKSMETAMORPHIC ROCKSFIND OUT MOREThe Earth is covered in a layer of solid rock called the crust. Rocks are either SEDIMENTARY , IGNEOUS, or METAMORPHIC…
FAULTSEISMOLOGYFIND OUT MOREEarthquakes are caused by movements of the giant tectonic plates that form Earth’s crust. SEISMOLOGY is the study of earthquakes. Most occur at cracks called…
COASTAL (NERITIC) ZONEOPEN OCEAN ZONESOCEAN CURRENTSTIDESWAVESFIND OUT MOREAbout 71 per cent of our planet’s surface is covered by oceans and seas. In order of size, the five great oceans are…
Sure, cars and trucks are convenient, and most of us couldn't live without them, but they have become very expensive to run and harmful to the environment. Gas prices…
THE ANDESWORLD MOUNTAIN RANGESHIMALAYAN COLLISIONFOLD FORMATIONBLOCK MOUNTAINSFIND OUT MORENew mountains are built when rocks are pushed upwards by the movement of the giant rocky plates that…
There are many things you can do to help save the environment. You can begin by reading the books and pamphlets in your school or public library. Below is a list of some of the most active…
HOW ROCKS ARE FORMEDFIND OUT MOREThe rocks under our feet seem permanent, but they are constantly being changed. This process is called the rock cycle. Rocks exposed on the Earth’s surface…
Spikes in oil, gas, and food prices raise awareness of the need to conserve resources by Beth Rowen Earth Day was first celebrated in 1970, a result of the efforts of Sen. Gaylord…