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chemical and physical changes vocabulary

QuestionAnswer
What is a property of an object that can be observed without a change in the chemical composition of the object? Physical Property
What is a change to a substance that does not chemically alter what it is? Physical Change
What is a characteristic of a particular substance that can only be observed in a chemical reaction ? Chemical Property
What is a irreversible change involving the rearrangements of the atom of a substance and a change in its chemical properties? Chemical Change
What is a strong force of attraction holding atoms together in a molecule or crystal ? Chemical Bond
What is a substance that is present at the start of a chemical reaction (to the left of the arrow)? Reactants
What is a substance that is formed as a result of a chemical reaction (to the right of the arrow)? Products
What is the amount of matter in an object? Mass
What is the measurement of the pull of gravity on an object? Weight
What is mass that cannot be created or destroyed? Conservation of Matter
What happens when we can observe bubbles or flames ? Production of Gas
What happens when a solid forms and is deposited in a liquid solution? Production of a Precipitate
What happens when light of heat is released? Production of heat or light
What happens when heat is absorbed or released? Temperature Change
What happens when a visible change in a substances color occurs ? Color Change
What is the capability of igniting or burning? Flammability/ Combustibility
What is a substance response to other chemicals? Reactivity
Created by: user-1974818
 

 



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