Tar is squeezed out from the joints in a concrete road on hot days; electricity lines sag more on very hot days; hot water ... These particles do not move along the solid, but they do bump into the particles next to them causing them to vibrate faster. ... Convection moves smoke up chimneys, it explains why onshore cool breezes occur, and why warm ocean currents ... Less dense air cools over water and contracts becoming more dense Warm land heats air causing it to expand and riseanbsp;...
|Title||:||Excel Science Study Guide, Years 7-8|
|Publisher||:||Pascal Press - 2005|