An irregular solid is defined as a three-dimensional solid object that does not have an normal shape, such as a sphere, cube or pyramid. Irregular solids have many sides of differing lengths. More » Science Chemistry States of Matter

Astigmatism is a visual disorder that causes blurred vision due to the irregular shape of the cornea or uneven curvature of the lens inside the eye. The cornea and the lens are responsible for focusing light entering the... More » Education

According to the U.S. Geological Survey website, tectonic plates are massive, irregular-shaped slabs of solid rock, composed of oceanic and continental lithosphere. The continental crust is made up of lightweight mineral... More » Science Earth Science
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Purdue University's Department of Chemistry defines "liquid" as a state of matter that flows, can change its shape, is not easily compressible and maintains a relatively fixed volume. Liquid is one of the four primary st... More » Science Chemistry States of Matter

Solids are defined as substances that retain their shape, even when they are not confined. Substances usually assume the solid state of being at lower temperatures than they do when they are liquids, gases or plasmas. More » Science Chemistry States of Matter

Hydrogen is a non-metal element that is a gas at room temperature. It is used in combination with other elements to create liquid compounds such as hydrochloric acid, ammonia and hydrogen peroxide, and it combines with t... More » Science Chemistry States of Matter

An ice cube melts faster in water than it does in air, given equal circumstances. Heat-energy is needed in order for an ice cube to melt. Heat-energy travels faster through water than it does through air. More » Science Chemistry States of Matter