Erosion (S05E14)

S05E01 Paving Asphalt, Marshmallow Cookies, Loudspeakers, Electronic Door Locks S05E01 Forensics S05E02 Wood Burning Stoves, Orthoses, Ballet Slippers, Buses S05E02 Space Exploration S05E03 Robotic Arms, Tattoos, Sanitary Napkins, Concrete Pipes S05E03 Genes S05E04 Hockey Gloves, Snack Cakes, Remolded Tires, Wastewater Treatment S05E04 Architecture S05E05 Farming S05E05 Ambulances, Dining Room Tables, Diatonic Accordians, Acrylic Awards S05E06 Life Cycles S05E06 Alkaline Batteries, Wheelchairs, Flutes, Cowboy Boots S05E07 Do-It-Yourself Science S05E07 Golf Balls, Furniture Handles, Parking Meters, Room Dividers S05E08 Suits of Armor, Street Light Poles, Bent Hardwood, Membrane Switches S05E08 Atoms & Molecules S05E09 Sulkies, Bagpipes, Yule Logs, Fishing Lures S05E09 Ocean Exploration S05E10 Goalie Pads, Lapel Pins, Cardboard Boxes, Crystal Wine Glasses S05E10 Lakes & Ponds S05E11 Cement, Caskets, Soft Drinks, Glider Rockers S05E11 Smell S05E12 Kitchen Knives, Mannequins, Socks, Hypodermic Needles S05E12 Caves S05E13 Electrical Panels, Kites, Eyeglass Frames, Toothbrushes S05E13 Fluids S05E14 Erosion S05E15 Comets & Meteors S05E16 Storms S05E17 Measurement S05E18 Patterns S05E19 Science of Music S05E20 Motion