what are the characteristics of a physical change?
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A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
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A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting.
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We learned that physical properties are things like shininess, conduction of heat or electricity, melting point, and density. Chemical properties include things like reactivity to oxygen, flammability, and ability to hold on to electrons during a chemical reaction.
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Properties that can be determined without changing the composition of a substance are referred to as physical properties. Characteristics such as melting point, boiling point, density, solubility, color, odor, etc.
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['Common Physical Changes. Texture. Color. Temperature. Shape. Change of State.', 'Physical Properties. Luster. Malleability. Ability to be drawn into a thin wire. Density. Viscosity.', 'Common Chemical Changes. Change in Temperature. Change in Color. Noticeable Odor. Formation of a Precipitate. ... ', 'Outside Links.', 'Problems.', 'Answers.']
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Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
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['Color Change.', 'Production of an odor.', 'Change of Temperature.', 'Evolution of a gas (formation of bubbles)', 'Precipitate (formation of a solid)']
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Physical characteristics are the natural features of the earth's surface, such as landforms, drainage features, climates, soils, and vegetation.
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Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or repulsion (diamagnetic) to magnets, opacity, viscosity and density. There are many more examples.
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For example:Tearing a paper is a physical change because when the paper is torn only the appearance of paper is changed. ... physical changes are reversible. Pieces of paper. 3.No new substance is formed.
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Physical Properties: Physical properties can be observed or measured without changing the composition of matter. ... Physical properties include: appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others.
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Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
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Signs of a physical change include: Expected color change. Change in size or shape. Change in state of matter.
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In a nutshell, a chemical change produces a new substance, while a physical change does not. A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced.
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Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity. We can observe some physical properties, such as density and color, without changing the physical state of the matter observed.
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['Change in Temperature. A change in temperature is characteristic of a chemical change. ... ', 'Change in Color. A change in color is also another characteristic of a chemical reaction taking place. ... ', 'Formation of Bubbles.']
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physical property: Any characteristic that can be determined without changing the substance's chemical identity. chemical property: Any characteristic that can be determined only by changing a substance's molecular structure.