White dwarf
Weak acid
Weak base
Watershed
Wetland
Wilderness
Water table
Weathering
Well sorted
Warming trend
Walker cell
Water vapor
Weather front
Wind
Wind chill
Wulfenite
Wash (needed)
Water (land type)
Water areas
Water body
Water spreading
Watercourse
Wetlands (land type)
Wetland losses
Wind erodibility group
Wind erosion
Wind erosion equation
Wave equation
Wavelength
Weber
Work
Wave-particle duality
Water
Water-soluble
Wave
Weather
Weight (see also: Weight and mass)
Width
Wood