Wikipedia:Basic English combined wordlist - Simple English

This is the maximum Basic English combined wordlist. It is what the advanced student will know when moving from Basic English to the standard English language.

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Carbon dioxide - Wikipedia

Carbon dioxide (chemical formula CO 2) is an acidic colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas.The current concentration is about 0.04% (412 ppm) by volume, having risen from pre-industrial levels of 280 ppm.

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GreenPig Septic Tank Treatment 1-Year Supply-52 - The Home

GreenPig is simple, clean, and efficient by providing the right amount every time. Why should you go to the store every month to buy a box of powder when GreenPig is a full year supply. Add up how much you spend every month on septic treatment then compare that to GreenPig.

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Alloy - Wikipedia

An alloy is an admixture of metals, or a metal combined with one or more other elements.For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold, and silver combined with copper produces sterling silver.Combining iron with non-metallic carbon or silicon produces alloys called steel or silicon steel.

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Common Materials of Cookware - Equipment & Gear - Cooking

Jun 06, 2019 · Hot spots. But, when camping heating food quickly in light cookware is more important than heating food evenly. P.S. There is a little more to it than just a thin base - the thickness of the sides walls and rim of the pot can have an effect on water heating times because while the water is heating, the sides of the cookware are also heating.

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Dolphin - Wikipedia

Dolphin is the common name of aquatic mammals within the infraorder Cetacea.The term dolphin usually refers to the extant families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), named Iniidae (the New World river dolphins), and Pontoporiidae (the brackish dolphins), and the extinct Lipotidae (baiji or Chinese river dolphin).

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Carbon - Wikipedia

Carbon (from Latin: carbo "coal") is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalentmaking four electrons available to form covalent chemical bonds.It belongs to group 14 of the periodic table. Carbon makes up only about 0.025 percent of Earth's crust. Three isotopes occur naturally, 12 C and 13 C being stable, while 14 C is a radionuclide

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Hot and Cold Packs: A Thermochemistry Activity | Carolina.com

A discussion of chemical hot and cold packs can really warm up a classroom lesson on thermochemistry. In this hands-on activity, students use a coffee cup calorimeter to measure the heat of solution of a chemical salt using 3 different masses and then design their own hot and/or cold pack.

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Potato - Wikipedia

Potato plants are herbaceous perennials that grow about 60 cm (24 in) high, depending on variety, with the leaves dying back after flowering, fruiting and tuber formation. They bear white, pink, red, blue, or purple flowers with yellow stamens.In general, the tubers of varieties with white flowers have white skins, while those of varieties with colored flowers tend to have pinkish skins.

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Iron and steel - Introduction to their science, properties

Dec 03, 2020 · Pig iron is actually a very basic form of cast iron, but it's molded only very crudely because it's typically melted down to make steel. The high carbon content of cast iron (the same as pig ironroughly 34 percent) makes it extremely hard and brittle: large crystals of carbon embedded in cast iron stop the crystals of iron from moving about.

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