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CollisionTheorySE

Explore how factors like temperature, concentration, surface area, and catalysts affect reaction rates in the Collision Theory Gizmo. Observe how reactants turn into products and learn what speeds up or slows down chemical reactions.

Mason Bennett
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GizmosP ame:Cate:Nov 23, 2(122Student Exploration: Collision TheoryDirections: Fellow the instructions to gothrough the simulation. Respond to the questions andprompts in the orange boxes.Vocabulary: activate: complex, catalyst, chemcareaction, concentration, enzyme, half-life, molecL e,product reactant surface areaPrior Knowledge Questions (Do these BEFORE usirig the Gizmo.)1.Suppose you added a spoonful of sugar to hot water and another to ice-ccld water. Which type cf rater 'willcause the sugar to dissolve more quickly?The hot water vxxild dissolve the sugar faster.2.Suppose you held a lighted match to a solid hunk cf wood and another match to a pile of wood shavings.VWtioh farm of wood wil catch fire mere easily?The wood shavings catch on fire mere easily.Gizmo Warm-upA chemical reaction causes the chemical compositions of substances|to change. Reactants are substances that enter into a reaction, andproducts are substances produced by the reaction. TheGohliscnTheory Gizmc allows you to experiment v<ith several factors tnat affect, Ithe rate at which reactants are transformed hto products in a chemicalreact on.»I*You wil reed Hue. green . and orange markers or colored pencils for thefirst part of this activity.;1.Look at the key at the bottom of the SIMJLAT1ON pane. In the spacebelow. draw f) the two reactants and two products of this chemical reaction.Reactants:Products:Re.* !# I B:.Click Play f » ). What do you see?

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Chemistry

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