Physical and Chemical Changes
Quiz by Naomi Atkinson
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12 questions
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- Q1a change that alters the form of an object without changing what type of matter it is. Examples: molding clay, sharpening a pencilPhysical change30s
- Q2occurs when atoms link together in new ways to create substances different from the original substances. (also known as a chemical reaction) examples: decaying, and burningChemical change30s
- Q3the way a substance reacts with other substancesChemical property30s
- Q4the temperature at which a substance boils (212�F)Boiling point30s
- Q5the temperature at which a substance freezes (32 �F)Freezing point30s
- Q6an original substance at the beginning of a chemical reaction (usually found on the left side of a chemical equation)Reactants30s
- Q7a substance at the end of a chemical reactionProducts30s
- Q8a solid substance that forms and separates from a solution and shows evidence of a chemical changePrecipitate30s
- Q9states that the mass of an object, or collection of objects never changes, no matter how the parts are rearranged.Law of Conservation of Mass30s
- Q10the deterioration of a materials or metals, as it reacts with its environmentCorrosion30s
- Q11a thin layer of corrosion that forms over copper, brass, and silver.Tarnish30s
- Q12how easily a substance is able to catch fireFlammability30s