Edexcel IGCSE Geography 复习笔记 1.3.1 Water Uses, Demand & Supply Water Uses Only 2.5% of the water on Earth is freshwater 68.7% of freshwater is stored in glaciers and ice sheets and 30% is g...
Edexcel IGCSE Geography 复习笔记 1.2.3 River Landscapes Upland Landforms River landscape characteristics The changes in river channel characteristics, lead to changes in the river landscape The upl...
Edexcel IGCSE Geography 复习笔记 1.2.2 Changes in River Characteristics Changes in River Characteristics River characteristics All rivers have a long and cross profiles Each river's long and cross ...
Edexcel IGCSE Geography 复习笔记 1.2.1 Fluvial Processes Weathering & Mass Movement River valley processes Both fluvial and landscape processes shape the river and surrounding land in the drain...
Edexcel IGCSE Geography 复习笔记 1.1.3 River Regime & Hydrographs River Regimes & Storm Hydrographs River regimes The discharge of a river changes over time The river regime is a record of ...
Edexcel IGCSE Geography 复习笔记 1.1.2 The Drainage Basin The Drainage Basin A drainage basin is an open system Every drainage basin is unique and is different in shape and size, with different roc...
Edexcel IGCSE Geography 复习笔记 1.1.1 The Hydrological Cycle Characteristics of the Water Cycle The hydrological cycle is a closed system Water is constantly recycled through the system Within the...
Edexcel IGCSE Physics 复习笔记 8.3.3 Galactic Red-shift Galactic Red-shift The Doppler effect affects all types of waves, including light Light emitted from stars and galaxies will be at a c...
Edexcel IGCSE Physics 复习笔记 8.3.2 Doppler Shift The Doppler Effect Usually, when an object emits waves, the wavefronts spread out symmetrically If the wave source moves, the waves can bec...
