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Matter L6 Overall

Matter L6 Overall Assessment Questions

QuestionAnswer
Reactants will have different _________________ than the products properties
Products will have different properties than the …. reactants
One or more substances form from one or more other substances during a.. chemical reaction
Properties must be tested ________ and _________ to confirm that a chemical reaction has taken place before and after
If a chemical occurs reaction the original substances must change its properties
What are the 4 properties that you can use to identify an unknown substance? melting/boiling point, density and solubility
What conditions will help cause a substance to undergo a chemical reaction mixing, heating, cooling
Striking a match on the box is an example of what type of condition? heating
What condition causes smog to change into dinitrogen tetroxide, a clear gas? Cooling
Change in smell, taste, color, flammability and energy are all observations that identify that…. a chemical change has happened
Some chemical reactions happen as soon as two chemicals are … mixed
To confirm that a chemical reaction has taken place, you must... Test the chemicals before and after properties
List some(6) of the properties that you can use to identify a substance smell, __________, color, ____________, melting/__________ point
If there is no change in the product then there was ... not a chemical reaction
properties that are considered ____________ are how scientists test for chemical changes unique or rare
Melting point, boiling point, density, and solubility_____________ if a chemical reaction has occurred will change
A substance that exists before a chemical reaction takes place and changes as a result of the reaction is called a reactant
A new substance that forms during a chemical reaction is called a product
data that can be used to support a scientific claim or argument is scientific evidence
Mixtures, things put together in a space, can be serperated because there ... has been no chemical reaction
Created by: Science6IMS
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