sia92-1notes - Matter Links: Science in Action Textbook (...

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Matter Links: Science in Action Textbook ( pgs. 88-109 ) Unit 2 Matter and Chemical Change 1.1 . Safety in the Science Classroom Lab Safety Notes (Detailed) 1.2 . Organizing Matter Matter exists in three states: solid, liquid, or gas. Matter can undergo a change in state when energy is used or released. Properties are characteristics that can be used to describe a substance. These properties can be physical or chemical. Physical properties ( sia p. 77 ) These can include: color, luster, melting point, boiling point, hardness, malleability, ductility, crystal shape, solubility, density and conductivity. Chemical properties describe how a substance interacts with other substances. Chemical properties include: reaction with acids, ability to burn, reaction with water, behaviour in air and reaction to heat. A chemical change always results in the formation of a different substance, which has its own unique ‘different’ physical properties.
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sia92-1notes - Matter Links: Science in Action Textbook (...

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