The ultimate reference guide to the all-encompassing essential science of earth that includes geology, meteorology, oceanography and astronomy. The amount and variety of facts covered makes our expertly written and designed guide a perfect fit to increase understanding, test scores and grades for students while offering the earth-conscious and space-lovers out there handy facts about our planet systems underground, on the surface, in our sky, and into space. These 6 digital pages with colorful illustrations, diagrams, tables and graphs pack more facts per page than you’ll find anywhere for high-value quality knowledge, better grades and planet awareness at an unbeatable price.
6 page digital guide includes:

• Astronomy
  • Components of Study
  • The Four Spheres
• Gravity & Orbital Motion
  • The Earth
  • The Moon
  • Structures of the Earth
  • History of the Earth
  • Plate Tectonics
  • Earthquakes & Volcanoes
• Types of Rocks
  • Igneous Rocks
  • Metamorphic Rocks
  • Sedimentary Rocks
  • Minerals, Ores & Crystals
• Hydrosphere
  • Water Cycle & Moving Water
  • Energy & Discharge
  • Profile
  • Base Level
  • Work of Streams
  • Mass Wasting
  • Competence & Capacity
  • Deposition
  • Natural Levees & Stream Valleys
  • Resistant Beds, Rapids & Waterfalls
  • Meanders & Oxbow Lakes
  • Wide Valleys
  • Drainage Patterns
  • Groundwater Depletion & Contamination
  • Springs, Caves & Caverns
• Atmosphere
  • Atmospheric Composition
  • Atmospheric Layers
  • Wind
  • Clouds
  • Meteorology
• Climate