SCIENCE 5 VOCAB

This bingo card has a free space and 24 words: a material that releases energy when it burns, a number placed in front of a chemical formula in an equation, materials you have at the end of an equation, a reaction that releases energy in the form of heat, a reaction that absorbs energy in the form of heat, the minimum amount of energy needed to start a reaction, materials you have at the beginning of an equation, a material used to decrease the rate of a reaction, while synthesis builds compounds from simpler reactants, this breaks compounds down into simpler products, a solid that forms from solution during a chemical reaction, fuel, heat and oxygen, a material that increases the rate of a reaction by lowering the activation energy, amount of one material dissolved in a given amount of another material, color change, change in temperature, production of a gas or a precipatate, or a change in the properties of a substance, during a reaction, matter is not created or destroyed, when 1 element replaces another in a compound or when 2 elements trade places, when 2 or substances or more combine to take a more complex substance is called this, concentration, surface area, temperature, and the use of a catalyst or an inhibitor, synthesis, decomposition, and replacement, the types of changes in reactants and products, shows the ratio of the atoms in a formula, a rapid reaction between oxygen and a fuel, the cells in your body contain biological catalysts called enzymes and a this is a shorter, easier way to show a chemical reaction, using symbols instead of words.

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