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WorksheetsChemical Interactions: Fireworks & Lavoisier
Total questions: 11
Worksheet time: 55mins
Select the appropriate vocabulary word given the definition: chemical reaction that transfers chemical energy to the environment in the forms of light, thermal energy, and/or sound
exothermic reaction
oxidizer
pyrotechnics
limiting factor
Matter is neither gained nor lost in a chemical reaction
chemical names
law of conservation of mass
exothermic reactions
combustion
Select the appropriate vocabulary word given the definition: a substance that provides an oxygen source for a combustion reaction
exothermic reaction
oxidizer
pyrotechnics
limiting factor
Select the appropriate vocabulary word given the definition: a field of science that studies explosive exothermic chemical reactions like those used to create fireworks
exothermic reaction
oxidizer
pyrotechnics
limiting factor
Select the appropriate vocabulary word given the definition: the reactant that is present in the least amount in a reaction, which determines when the reaction stops
exothermic reaction
oxidizer
pyrotechnics
limiting factor
What were Lavoisiers’ contributions to modern day chemistry, select ALL that apply.
Chemical naming system
Law of conservation of mass
Oxygen (named it and discovered it is key to combustion)
Creating precise instruments like balances and a gasometer
Sodium reacts with chlorine to produce sodium chloride. Select the balanced chemical equation.
NaCl(s) → Cl(g) + Na(s)
Na(s) + CO2(g) → NaCO2(s)
2Na(s) + Cl2(g) → 2NaCl(s)
_Mg + _Cl2 --> _MgCl2
What are the products of a combustion reaction? Select ALL that apply.
water (H2O)
carbon dioxide (CO2)
heat/light/energy
oxygen (O2)
What kinds of atoms give fireworks color?
nonmetals
metals
random atoms, does not matter if they are metal or nonmetal
dyes
In a combustion reaction, potential energy in the bonds is transformed into:
thermal energy, light energy and/or sound
just thermal energy
just light
just sound
