Mortars with Pestles

The Plus is Us. Your Texas Personal Account Managers: [email protected] + [email protected] + [email protected] Texas Essential Knowledge and Skills (TEKS) for Science high school biology discover biology modules at wardsci.com/TEKS Introducti...

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+ward’ssciencewardsci.com800-962-2660 Shale Type: Sedimentary; clastic. Texture/Appearance: Very fine-grained (clay to silt-sized particles) grains not distinguishable to the naked eye. A relatively soft rock with fine laminae; may display carbona...

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The Plus is Us. Your Texas Personal Account Managers: [email protected] + [email protected] + [email protected] instructional content: + Properties of Water • Structure of water molecule • Solutions • Acids and bases + Biomolecules • Basic che...

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wardsci.com 800-962-2660 Peridotite Type: Igneous; intrusive. Texture/Appearance: Medium to coarse-grained; massive, granular, sometimes porphyritic. Color: Medium gray to greenish-gray. Mineralogy/Chemistry: Ultramafic, with mafic minerals greate...

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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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The Plus is Us. Your Texas Personal Account Managers: [email protected] + [email protected] + [email protected] instructional content: + History of DNA’s discovery • Griffith’s experiments • Avery’s experiments • Hershey-Chase experiments + St...

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+ward’ssciencewardsci.com800-962-2660 Quartz (variety Flint) Si O2 Crystallography: Hexagonal -R; 32 (low-quartz). Hexagonal; 622 (high quartz). cryptocrystalline; massive granular. Physical Properties: Cleavage: Generally none; occasional indisti...

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5100 West Henrietta Rd • PO Box 92912 • Rochester, NY 14692-9012 • p: 800 962-2660 • f: 800 635-8439 • wardsci.com laboratory safety contract Rules for the Sciences Laboratory and Classroom Teacher Copy I understand that I am responsible for my ow...

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The Plus is Us. Your Texas Personal Account Managers: [email protected] + [email protected] + [email protected] module 4 – blood typing biology TEKS 1A Demonstrate safe practices during laboratory and field investigations. 2F Collect and organ...

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The Plus is Us. Your Texas Personal Account Managers: [email protected] + [email protected] + [email protected] module 5 – impression analysis (footprints, tire tracks) biology TEKS 1A Demonstrate safe practices during laboratory and field inv...

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The Plus is Us. Your Texas Personal Account Managers: [email protected] + [email protected] + [email protected] instructional content: +Hypotheses on Origin of Life • Miller-Urey experiment • Iron-sulfur • RNA +Dating fossils • Relative dating...

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wardsci.com 800-962-2660 Quartz (variety Rose) Si O2 Crystallography: Hexagonal -R; 32 (low quartz). Hexagonal; 622 (high quartz). Crystals not common. Usually massive, coarsely crystalline. Physical Properties: Cleavage: Generally none; occasiona...

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+ward’ssciencewardsci.com800-962-2660 Dolomite CaMg (CO₃)₂ Crystallography: Hexagonal-R; 3. Crystals usually unit rhombohedron, or a steep rhombohedron and base; faces often curved. Twinning common. Also coarse, granular, cleavable masses to fine-...

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ward’s sciencewardsci.com800-962-2660 Hematite Fe2 O Crystallography: Hexagonal -R; 32/m. Crystals thick to thin tabular on {0001}; more rarely rhombohe- dral. Also micaceous to platy, botryoidal to reniform, and commonly earthy. Physical Properti...

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+ward’ssciencewardsci.com800-962-2660 Chalcocite Cu2S Crystallography: Orthorhombic; 2/m2/m2/m (below 105°C); above 105°C, hexagonal. Crystals uncommon, usually small and tabular with hexagonal outline. More often fine-grained and massive. Physica...

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instructional content: + Cell membrane structure • Fluid mosaic model • Role of membranes in organelles • Selective permeability + Passive transport • Concentration gradient • Diffusion • Osmosis • Types of solutions: hypertonic, hypotonic, isoton...

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