(Encyclopedia) Petrified Forest National Park, 93,533 acres (37,881 hectares), E Ariz.; est. as a national monument 1906, designated a national park 1962. A part of the Painted Desert, it contains…
WHAT DOES “THREE-DIMENSIONAL” MEAN? IS SCULPTURE ALWAYS VIEWED FROM ALL SIDES? HOW IS SCULPTURE MADE? FIND OUT MORESculpture is three-dimensional art. Traditionally, there are two main methods:…
FIND OUT MOREThe sour taste of food such as lemons is due to acids. Acids in food are weak, but they can sting if they touch a cut on your skin. Strong acids, such as sulphuric acid in car…
(Encyclopedia) crusher, machine used to reduce materials such as ore, coal, stone, and slag to particle sizes that are convenient for their intended uses. Crushers operate by slowly applying a large…
(Encyclopedia) PontypriddPontypriddpôntəprēᵺˈ [key], town (1981 pop. 32,992), Rhondda Cynon Taff, S Wales, on the Taff River. Electrical equipment, cables, and chains are made. The famous stone…
(Encyclopedia) Kingsville, city (1990 pop. 25,276), seat of Kleberg co., S Tex.; inc. 1911. It is headquarters of the gigantic King Ranch. The city is a processing center for cotton, livestock,…
(Encyclopedia) Beth-baal-meonBeth-baal-meonbĕth-bāˈəl-mēˈən [key], town of Moab, E of the Jordan, now called Main (Jordan), 12 mi (19 km) SW of Hisban. It also appears as Baal-meon and Beth-meon.…
(Encyclopedia) concrete, structural masonry material made by mixing broken stone or gravel with sand, cement, and water and allowing the mixture to harden into a solid mass. The cement is the…
