Images Dated 5th July 2006

Equal volumes of different materials

Equal volumes of different materials. From left to right are blocks of brass, balsa wood and polystyrene. Although they are the same size, the mass of the blocks decreases markedly from left to right, as the materials have different densities

© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Balsa Wood, Block, Brass, Demonstrating, Demonstration, Density, Difference, Effects, Lab, Laboratory, Liquid, Metal, Physical, Physical Effect, Physics, Poly Styrene, School, Trio, Volume

Rainbow Eucalyptus bark (Eucalyptus deglupta - Mindanao Gum), Island of Kauai, Hawaii USA

© Russ Bishop / DanitaDelimont.com

America, Bark, Color, Colorful, Eucalyptus, Eucalyptus Deglupta, Forest, Green, Hawaii, Hawaiian, Island, Kauai, Landscape, Mindanao Gum, Natural, Nature, Nature Detail, Orange, Outdoors, Outside, Peel, Peeling, Rainbow Eucalyptus, Scenic, Tree, Unique, United States, United States Of America, Us, Usa, Wood, Woods, World Regions And Countries, World Regions Countries

Several Porpoise (Phoecoenidae) species simultaneously jumping out from water, Vaquita or Gulf Porpoise (phocoena sinus), Dalls Porpoise (phocoenoides dalli), Burmeisters Porpoise (phocoena spinipinnis), Harbour Porpoise (phocoena phocoena, Commerson's

Several Porpoise (Phoecoenidae) species simultaneously jumping out from water, Vaquita or Gulf Porpoise (phocoena sinus), Dall's Porpoise (phocoenoides dalli), Burmeister's Porpoise (phocoena spinipinnis), Harbour Porpoise (phocoena phocoena, Commerson's

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72196760, Animal, Animals, Aquatic, Aquatic Mammal, Australophocaena Dioptrica, Burmeisters Porpoise, Cephalorhynchus Commersonii, Cetacea, Color Image, Commersons Dolphin, Dalls Porpoise, Finless Porpoise, Gulf Porpoise, Harbour Porpoise, Horizontal, Illust, Illustration, Mammal, Mammals, No People, Odontoceti, Phoecoenidae, Porpoises, Toothed Whales, Whale