Changes in Matter Worksheet-2
Fill in Blanks.
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Breaking of glass is a ____ change.
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Sugar turns into _____ on heating.
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Burning of wood to ashes is _____ Change.
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_____ is the fourth state of matter.
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All liquids have a definite _____.
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During a chemical change, rearrangement of ______ takes place.
True or False.
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Formation of crystals of sugar from sugary syrup is a chemical change.
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Steel does not rust easily.
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Rust is iron oxide.
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During physical change, the molecules of the substance remain unchanged.
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When chemical change occurs, heat is released or absorbed.
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Like liquids, gases neither have a fixed shape nor fixed volume.
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Digestion of food is a physical change.
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Galvanized pipes are used in community water supply system.
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Match the following
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Column I
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Column II
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A. Burning of candle
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P. Chemical change
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B. Iron nail dipped in water
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Q. Acid + Base → Salt + Water
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C. Decaying of fallen leaves
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R. Physical and chemical change
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D. Melting of glaciers
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S. Reactants and products
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E. Chemical reaction
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T. Physical change
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F. Neutralisation
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U. Rusting
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Answer Key:
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physical
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starch
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Chemical
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plasma
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volume
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molecules
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False
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True
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True
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True
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True
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False
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False
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False
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A–R; B–U; C–P; D–T; E–S; F–Q
