List five physical properties of a quarter.
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Physical properties of a quarter, a United States coin, include:
1. Material: Quarters are made of a copper-nickel clad composition, with a pure copper core sandwiched between layers of copper-nickel alloy.
2. Shape: Quarters have a circular shape, characterized by a flat and round appearance with a smooth edge.
3. Size: The diameter of a quarter is approximately 0.955 inches (24.26 millimeters), making it larger than a penny or a dime, but smaller than a half-dollar coin.
4. Weight: A quarter weighs around 5.67 grams (0.2 ounces), which is lighter than a nickel or a dime, but heavier than a penny.
5. Design: The front side (obverse) of a quarter features the profile image of George Washington, the first President of the United States. The back side (reverse) depicts various designs representing individual states or national landmarks, which change periodically.
To list five physical properties of a quarter, we can first start by describing its appearance and then move on to its size, weight, texture, and composition.
1. Appearance: A quarter is a coin that appears circular in shape, with a raised rim along its edges. It is typically made of a metallic material, giving it a shiny or reflective surface when new. The front side (obverse) of a quarter usually features a portrait and the denomination, while the back side (reverse) displays a design specific to the issuing country, such as a national emblem or symbol.
2. Size: In the United States, a quarter usually has a diameter of approximately 0.955 inches (24.26 millimeters). This measurement can slightly vary depending on the minting year or specific mint location.
3. Weight: A quarter typically weighs around 5.67 grams (0.2 ounces) in the United States. Again, this may slightly differ due to factors such as the minting year or specific mint location.
4. Texture: The surface texture of a quarter is generally smooth, but upon closer inspection, you may notice fine lines or patterns. These features are a result of the minting process.
5. Composition: Traditionally, quarters in the United States have been composed of an alloy called cupronickel. This alloy is mainly made up of 75% copper and 25% nickel, resulting in a coin that has a distinctive color and resistance to corrosion.
To verify these physical properties or to gather more specific information about the quarters from a particular year or country, you can refer to reputable sources such as government mint websites, numismatic references, or coin collecting catalogs.