polymer chemistry

Conditions for Customer Ownership We hold permits allowing us to transport these organisms. To access permit conditions, click here. Never purchase living specimens without having a disposition strategy in place. A USDA permit is needed to send ea...

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+ward’ssciencewardsci.com800-962-2660 Conglomerate Type: Sedimentary; clastic. Texture/Appearance: Coarse-grained rock containing rounded to subangular clasts of greater than 2mm in diameter scattered in a finer-grained matrix of sand, silt, and/o...

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Image Listing Included: LS1: Molecules to organisms: Structures and processes LS1.A How do the structures of organisms help them to perform life’s functions? (Structure and Function) Compare cells that perform similar functions in plants and anima...

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Page 1 Eastern Newt Species: viridescens Genus: Notophthalmus Family: Salamandridae Order: Caudata Class: Amphibia Subphylum: Vertebrata Phylum: Chordata Kingdom: Animalia Conditions for Customer Ownership We are a USDA compliant facility and hold...

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wardsci.com 800-962-2660 Serpentinite Type: Metamorphic; regional. Texture/Appearance: Fine to coarse-grained, lamellar or mesh-like; massive with frequent zonations and veins. Color: Dark green to black. Mineralogy/Chemistry: Ultramafic; composed...

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instructional content: + Chemical energy and ATP • Storing energy in ADP • Releasing energy in ATP + Photosynthesis • Structure of chloroplast • Light-dependent reactions • Light-independent reactions + Cellular respiration • Structure of mitochon...

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ward’s sciencewardsci.com800-962-2660 Gabbro Type: Igneous; intrusive. Texture/Appearance: Granular; medium-grained. Color: Dark, medium gray, green-gray or brownish-gray. Mineralogy/Chemistry: Mafic; with essential plagioclase (50%-75%) and pyrox...

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+ward’ssciencewardsci.com800-962-2660 Pumice Type: Igneous; extrusive (pyroclastic). Texture/Appearance: Glassy, vesicular, foamy, frothy. Very light-weight with numerous vacuoles (some varieties float in water). A natural glass froth in which the...

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+ward’ssciencewardsci.com800-962-2660 Sandstone Type: Sedimentary; clastic. Texture/Appearance: Grains generally sand-sized (1/16–2mm), normally sorted and somewhat rounded. May be poorly to well cemented. May also display visible fossils (not par...

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ward’s sciencewardsci.com800-962-2660 Syenite Type: Igneous; intrusive. Texture/Appearance: Massive; medium to coarse-grained, often changing to pegmatitic. Appears speckled with dark patches, sometimes porphyritic; may show flowage. Color: Pale, ...

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instructional content: + Function of Circulatory System + Components of Blood • Types of Cells • Plasma + Types of Blood Vessels + Structure of Heart • Blood Flow • Two Pathways + Function of Respiratory System + Anatomy of Respiratory System • Pa...

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+ward’ssciencewardsci.com800-962-2660 Anorthosite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained, equigranular with elongated tabular plagioclase. Color: Dark gray to bluish-gray, sometimes lighter shades. Mineralogy/Chemis...

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+ward’ssciencewardsci.com800-962-2660 Metaconglomerate Type: Metamorphic, regional. Texture/Appearance: Coarse-grained rock containing rounded to subangular clasts greater than 2mm in diameter and distributed in a fine-grained matrix or metamorphi...

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+ward’ssciencewardsci.com800-962-2660 Quartzite Type: Metamorphic; regional. Texture/Appearance: Massive, with generally small grain size; sometimes saccharoidal. Grain size (sand size, 1/16-2mm) dependent on original detritus. Generally non-folia...

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+ward’ssciencewardsci.com800-962-2660 Andesite Type: Igneous; extrusive. Texture/Appearance: Generally fine-grained, aphanitic. Massive structure, often porphyritic with phenocrysts standing out in a vitreous or fine-grained groundmass. Color: Dar...

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wardsci.com 800-962-2660 Anthracite Type: Metamorphic; regional. Texture/Appearance: Homogeneous, shiny, hard, scaly and compact. Subconchoidal fractures; glassy looking. Color: Dark brown to black, lustrous. Mineralogy/Chemistry: 92%–98% fixed ca...

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