Teach students about the Earth with this 439 piece Earth Science Clip Art Mega Bundle. This mega bundle includes 12 sets which include; Climate, Clouds, Environments and Biomes, Weather, Earth Science, Fossils, Weathering And Erosion, Build A Coral Reef, Ocean Creatures Depth Zones, Oceanography, and The Water Cycle. The bundle includes 154 PNG color illustrations, 145 PNG gray scale black and white versions and 140 line versions. These are high resolution (300 dpi) transparent background graphi