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anchor	An anchor is a heavy piece of iron or other metal that is attached to a boat or ship. When people want to keep a boat from moving, they drop the anchor into the water. [1/4 definitions]
blacksmith	a person who forges and shapes iron. Blacksmiths soften the iron with heat and use hammers and anvils to form it into various items.
brand	a burn mark made on cattle or other animals with a hot iron to show who the owner is. [2/4 definitions]
cast iron	a mixture of iron and carbon, with other materials added to make it either hard and brittle or soft and strong.
chemical	Chemicals are the different substances that exist on the earth and in space. A chemical can be one basic substance, such as oxygen or gold or iron, but we also use the word chemical when we talk about mixtures of things, such as gasoline. People often think of chemicals as liquids, but chemicals can be solids and gases too. Chemicals are things that we can find in nature, but chemicals can also be substances that scientists make for special purposes, such as for medicines or products that we use in our daily lives. [1/2 definitions]
chemical element	Everything in our world and in space is made up of different chemical elements. Things like oxygen, lead, iron, and gold are some of these elements. Chemical elements are the very simple building blocks of all other things. They are pure substances. That means that they are made up of only one type of thing--one type of atom. The element iron, for example, is made up of only atoms of iron. It's not mixed with anything else. The chemical elements do mix with other chemical elements, though. That's how we get things like water, which is made up of two elements: oxygen and hydrogen.
chemistry	Chemistry is one of the sciences. In chemistry, people study the basic substances that all things are made of. Iron, oxygen, and gold are some examples of basic substances. In chemistry, people also study what happens when they put basic substances together.
Eiffel Tower	a tall tower made of iron constructed in Paris, France in 1889. It is a symbol of Paris and a popular tourist attraction.
electromagnet	an iron or steel core with wire wound around it. It becomes magnetic when an electric current is passed through the wire.
element	Everything in our world and in space is made up of different "elements." "Elements" is really a short way of saying "chemical elements." Things like oxygen, lead, iron, and gold are some of these elements. Chemical elements are the very simple building blocks of all other things. Elements can take the form of liquids, solids, or gases. [1/4 definitions]
Fe	symbol of the chemical element iron.
horseshoe	a narrow, flat piece of iron shaped like a U that is fitted and nailed to a horse's hoof. [1/2 definitions]
iron	a heavy silver-gray metal that is one of the chemical elements. Iron rusts easily and can be magnetized. It is found in many minerals in the earth's crust and is also found in blood. Iron is often combined with other metals to form alloys such as steel. (symbol: Fe) [7/9 definitions]
ironing board	An ironing board is something people use when they make clothes smooth with a hot iron. It is a long covered board that stands on legs. Clothes are spread over the ironing board in order to make them flat and easy to iron.
launder	to wash, or wash and iron.
lodestone	a rock that acts as a magnet and attracts iron.
magnet	an object that has the power to pull items made of iron, and certain other metals, toward itself.
metal	any solid mineral element that exhibits certain characteristics such as the ability to conduct heat or electricity. Most metals may be shaped under heat or pressure. Iron, silver, copper, and gold are metals.
miner	A miner is a person whose job is to work in a mine. Miners remove things like coal or diamonds or metals such as iron, copper, and gold from a mine.
mineral	A mineral is a hard substance that comes from the earth. It does not contain any substances from plants or animals. Some minerals are iron, gold, and salt. Diamonds are also minerals. [1/2 definitions]
natural resource	Natural resources are things that are found in nature that can be used by people in many ways. Fresh water, forests, good soil, and minerals like copper, tin, silver, and iron are all examples of natural resources. If a country has many natural resources, it has ways of making money for itself and its people.

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