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Intermolecular Forces

Back to Unit
Essential Question:
Why does sugar dissolve faster in hot water?

Learning Objective:
I can construct an explanation for how temperature affects the rate of reaction.


Standards addressed:

​HS-PS1-5. Apply scientific principles and evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.
HS-PS1-6. Refine the design of a chemical system by specifying a change in conditions that would produce increased amounts of products at equilibrium.*


In Class Sequence

Additional Resources

Lesson 1 (Engage)
  • States of Matter Activity 
  • Play with the interactive until understanding of the material is achieved. Answer all questions on a google doc, and submit. (10 pts. Classwork)
Lesson 2 (Explore)
  • Read States of Matter Overview
  • Read Intermolecular Forces
  • Create a one page study guide for the information contained above. (10 pts. Classwork)
Lesson 3 (Explain)
  • Intermolecular Forces Activity
  • Play with the interactive until understanding of the concepts are achieved, and answer all questions on a document. (10 pts. Classwork)
Lesson 4 (Extend)
  • “What causes water to behave differently when in solid, liquid, and gas states?”
  • Plan an experiment wherein water is taken through the three stages of matter in order to answer this question.  
  • Form a hypothesis which will answer the question in an if/then or prediction format.
  • Explain in detail what is predicted to occur and why (this should go into detail at the chemical level, the vocabulary commensurate with the expectations of the course level and the learning which took place prior to this assignment).
  • What will be your procedure? Explain each step in detail such that another person could carry out the procedure without potentially changing the result.
  • What materials will be used? List all materials and quantities.
  • What safety measures will be taken to ensure the safety of people and property? Include safety measures taken during the course of the procedure so they are followed at their appropriate times.
  • Describe the quantitative and qualitative  data that will be collected and the evidence to be derived from the data, which must include describing or submitting photo evidence of the changes in physical properties of the material during the course of the procedure 
  • Submit this plan as a Google Doc (10 pt. Laboratory grade)
Lesson 5 (Evaluate)
  • Carry out the experiment 
  • Record the actual procedure (sometimes adjustments have to be made from the plan) 
  • Collect all planned data
  • Analyze the qualitative and quantitative data and determine what it proves and disproves
  • Explain what the results mean and how and why they happened, with source citations for how you know
  • Return to the hypothesis and predictions, and explain them in light of these results (e.g. to what extent they were proven or disproven)
  • Separate this information out into Methods, Results, and Conclusion sections and submit them as a Google Doc (16 pt. Assessment grade based on Lab Report Rubric)
Reading Material:
  • OpenStax Intermolecular Forces
  • ​Energy, Entropy, and States of Matter

Videos:
  • KA Intermolecular Forces

Practice:
  • ​LeChatelier's Principle

Interactives: 
  • ​Study Jams: Solids, liquids, and gases
  • Why do bridges have joints? by cK-12
  • States of Matter by cK-12
  • Phase Changes by cK-12​
  • Vapor Pressure by cK-12
  • Rate of Reaction: Iodine Clock
  • Intermolecular Interactions
  • Analogy to Chemical Equilibrium
  • Flat vs. Fizzy Soda by cK-12

​Hands-on:
Picture
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  • Home
  • Meet the Teacher
  • Chemistry
    • Chemistry Calendar
    • It's Elemental >
      • Periodic Table
      • Radiation
      • Nuclear Energy
    • The Bonds We Share >
      • Physical or Chemical?
      • Compounds
      • Be Trendy
    • Don't OverREACT >
      • Chemical Equations
      • Types of Reactions
      • Don't Drop the Base
    • Mass in Chemistry >
      • I have this weird Mole
      • Stoichiometry
      • I have the Solution!
    • Energy in Chemistry >
      • Intermolecular Forces
      • Heat in Reactions
      • Enthalpy
    • I Only Eat Organic >
      • Hydrocarbons
      • Biomolecules
      • Circle of Life
    • Final
  • Integrated Science II
    • Matter and Energy >
      • Matter and Its Properties
      • Energy and Matter
    • Heat and Energy >
      • Behavior of Matter
      • Behavior of Energy
      • Earth's Interior
    • Properties of Matter
    • Chemical Attractions
    • Energy In Reactions
    • Human Impact on the Atmosphere
    • Chemical Equilibrium