(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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during a chemical reaction matter is not created or destroyed
is a shorter easier way to show chemical reactions using symbols instead of words.
a change in energy a kind of reaction which absorbs energy
the minimum amount of energy needed to start a chemical reaction
synthesis, decomposition and reaction.
shows the ratio of the atoms of different elements in a formula.
is the amount of one material in a given amount of another material.
the materials you have at the beginning
a chemical reaction is a change in energy
a reaction that releases energy in the form of heat.
when two or more subtances combine to make more complex substance, the process is called____
is a number placed in front of a chemical formula in a equation.
a solid that forms from solution during a chemical reaction.
when the reaction is complete you have different materials called the ____ of a reaction.
the reaction between sulfur trioxide and water is called _____
breaks down compounds into a simpler product.
uses symbols to show the reactants and the products of a reaction
the clues that a chemical reaction has taken place .
a material that releases energy when it burns
When one element replaces another in a compound, or when two elements in a different compound takes place
a material used to decrease the rate of reaction is called an _____
a material that increases the rate of reaction by lowering the activation energy
can control the rate of reaction b changing factors such as concentration temperature and surface and by using substances called catalysts and inhibitors
fire is a result of_____ a rapid between oxygen and a substance called fuel
