'Salt crystals' diaporamas de présentation

WEATHERING, EROSION & SOIL FORMATION

WEATHERING, EROSION & SOIL FORMATION. WEATHERING, EROSION, TRANSPORTATION. Weathering - Physical disintegration and chemical decomposition of rocks Erosion - Physical removal Transportation - Movement of eroded particles Chemical vs. Physical Weathering Effects of weathering

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Weathering

Weathering. & Erosion. Weathering is the break-up of rock due to exposure to the atmosphere. Weathering involves two processes that often work together to decompose or break down rocks. Chemical and Mechanical Weathering!. Chemical.

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The Atomic Force Microscope

The Atomic Force Microscope. Michael Crocker Valerie Goss Rebecca Quardokus Natalie Wasio. The Braille Game!. Can you feel the surface and identify the features?. What is nano?. 10 -9 meters (one billionth of a meter) Objects between 1-100 nm. 1 mm = 1000 ? m. ? m, micrometer, micron

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Mineral Formation

Mineral Formation . 6 th Grade. Popcorn Rock Activity. When the rock dolomite is doused in white distilled vinegar, aragonite crystals slowly form. A similar process occurs in Yellowstone National Park and in the Carlsbad Caverns in New Mexico. Carlsbad Caverns, New Mexico.

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Think Green With Green Art

Think Green With Green Art. Reduce: How many materials do we really need to make artwork?. Robert Smithson Spiral Jetty , April 1970 Rocks, earth, salt crystals, water. Reduce: How many materials do we really need to make artwork?. CLOSE UP Robert Smithson Spiral Jetty , April 1970

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Preparation of Salts

Preparation of Salts. By SK Chan . Preparing sodium chloride. Add NaOH to HCl slowly to get a neutral solution. (How?) Concentrate the solution by evaporation until some white crystals around the edge of solution are seen.

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Plasmolysis Lab

Plasmolysis Lab. Plasmolysis . Plasmolysis is the loss of water from the cell by osmosis, and this is evident when the cell contents pull away from the rigid cell wall as the water moves out . Steps of Plasmolysis. TIME, ( min). Steps of Plasmolysis. Plasmolysis.

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Plasmolysis Lab

Plasmolysis Lab. Plasmolysis . Plasmolysis is the loss of water from the cell by osmosis, and this is evident when the cell contents pull away from the rigid cell wall as the water moves out . Steps of Plasmolysis. TIME, ( min). Steps of Plasmolysis. Plasmolysis.

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Ionic Bonding

Ionic Bonding. CA Standards. Students know atoms combine to form molecules by sharing electrons to form covalent or metallic bonds or by exchanging electrons to form ionic bonds.

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Household Goods From the House of Runka

Green products Online

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Mixtures and Solutions

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Salt-Crystal Growth

Salt-Crystal Growth. Salt Crystal Growth. Definition: Salt crystallization ( haloclasty ) Physical Weathering (rocks break down under environmental conditions eg . heat, pressure or ice) Involves some chemical weathering (hydration) Formation of salt crystals

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SOLUBILITY INVESTIGATION

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Group 1: Topic How do we know where to find minerals? (page 445)

Group 1: Topic How do we know where to find minerals? (page 445) First step: Collect date by _____________ carrying sophisticated instruments that measure _____________, _______________, and _________________. Take

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Making crystals

Making crystals. Sugar crystals. These crystals are edible since they are made out of sugar. Before and After. Sugar dissolved in hot water with a drop of different food colouring in each. Four days later fully- crystalised . The crystals looked lumpy. Salt Crystals.

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Ways to Separate Mixtures

Ways to Separate Mixtures. Which Method. There are several ways to separate mixtures. The physical properties of the mixture will determine which s e paration method is the best one to use. Sifting. Uses sieves or sifters as a way to separate solids of varying sizes

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Crystals

A solid substance in which the particles, or pieces, are arranged in one of 6 repeatable patterns when molten minerals solidify or when the liquid evaporates from a solution. Most minerals are composed of crystals. Crystals come in 6 different shapes.

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Crystals

Crystals. A solid substance in which the particles, or pieces, are arranged in one of 6 repeatable patterns when molten minerals solidify or when the liquid evaporates from a solution. Most minerals are composed of crystals. Crystals come in 6 different shapes.

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Clouds and Precipitation

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