(Encyclopedia) planetary science or planetology, study of planets and planetary systems as a whole. Planetary science applies the theories and methods of traditional disciplines such as astronomy,…
AURORASLAYERS OF THE ATMOSPHEREOZONE LAYERFIND OUT MOREPRESSURE SYSTEMSThe Earth would be as lifeless as the Moon without the atmosphere – a blanket of gases surrounding the planet and…
RAINBOWTHE WATER CYCLEHAILSNOWFIND OUT MOREThe moisture gathered in clouds eventually falls to the ground as liquid rain or drizzle, or as solid, frozen SNOW or HAIL. Any kind of falling…
ELECTRICITY AWESOME FORCE INSIDE AN ATOM STATIC ELECTRICITY CURRENT ELECTRICITY FIND OUT MORE CIRCUITS ELECTRICITY IN THE HOME PROTECTING CIRCUITS BATTERIES…
RIVER’S COURSELIMESTONE CAVESFIND OUT MORERivers drain the surrounding land, carrying water that falls as rain and snow down to the sea. As rivers flow, they erode (wear away) rock,…
GIANT TELESCOPESBIOGRAPHY: GALILEO Italian, 1564-1642FIND OUT MOREThe scientific study of the stars and other objects in space is called astronomy. Astronomers observe the Universe using…
+ BODY SYSTEMS INTEGUMENTARY SYSTEM MUSCULAR SYSTEM SKELETAL SYSTEM CIRCULATORY SYSTEM NERVOUS SYSTEM LYMPHATIC SYSTEM RESPIRATORY SYSTEM ENDOCRINE SYSTEM DIGESTIVE…
COASTAL EROSIONSEA-LEVEL CHANGEFIND OUT MORECoasts, which form the boundary between land and ocean, receive a constant battering from the wind and waves. In calm weather, the water merely…
