Classroom Resources: Molecules & Bonding


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101 – 125 of 137 Classroom Resources

  • Covalent Bonding, VSEPR Theory, Molecular Geometry, Resonance | High School

    Lab: Shapes of Molecules

    In this lab, students will investigate the VSEPR geometry of covalent compounds. They will draw Lewis structures, use molecular models, and determine the geometry of covalent compounds. There is a lot of repetition so students gain a lot of practice.

  • Density, Physical Properties, Mixtures, Solubility, Freezing Point, Polarity, Phase Changes, Intermolecular Forces, Colligative Properties, Intermolecular Forces, Freezing Point Depression, Mixtures | High School

    Lesson Plan: Fuel Line Antifreeze

    In this lesson students will explore the role of a gasoline additive, fuel line antifreeze (generally methanol or 2‑propanol), in reducing the potential of water to block fuel lines in freezing weather. Students will prepare test tube models of water-contaminated fuel tanks and explore the effect of adding different types of fuel line antifreeze. This lesson can be used to bolster concepts about miscibility, density, intermolecular forces, phase changes (freezing), and colligative properties (freezing point depression).

  • Observations, Separating Mixtures, Physical Properties, Intermolecular Forces, Polarity, Distillation, Cracking, Balancing Equations, Intermolecular Forces, Boiling Point | High School

    Lesson Plan: Fractional Distillation of Crude Oil

    In this lesson, students will be introduced to simple distillation while expanding their knowledge of intermolecular forces. Once a simple distillation has been accomplished in the lab, students will then research the various products of fractional distillation of crude oil and report on one of those products.

  • Naming Compounds, Molecular Formula, Covalent Bonding, Ionic Bonding, Molar Mass | High School

    Activity: Formula Card Game

    In this activity, students play a card game to practice creating chemical formulas.

  • Physical Change, Intermolecular Forces, Polarity, Physical Change, Intermolecular Forces, Matter | Middle School

    Lesson Plan: Sandy Beaches—A Foray into ‘Magic’ Sand

    In this lesson, students will investigate the properties of magic sand and learn about the concept of hydrophobic and hydrophilic molecules. It also introduced students to the field of nanotechnology.

  • Observations, Physical Properties, Mixtures, Intermolecular Forces, Polarity, Intermolecular Forces, Mixtures | High School, Elementary School, Middle School

    Lab: Salad Dressing Science: Emulsions

    In this lab, students mix polar and nonpolar substances and then add various emulsifiers to encourage the mixing of the two substances. They use ingredients in salad dressing to relate science to real life scenarios.

  • Molecular Formula, Law of Definite Proportions, Stoichiometry, Classification of Reactions, Mole Concept, Dimensional Analysis | High School

    Lab: Finding the Formula of Magnesium Oxide

    In this lab, students will recognize that oxygen has mass and that heating can involve and increase in mass as an element reacts to become an oxide

  • Physical Properties, Polymers, Scientific Method, Mixtures | Middle School, Elementary School

    Lab: Polymer Investigation

    In this lab, students will follow the procedure for creating a polymer, flubber, which will be similar in consistency to Silly Putty. Students will then design an experiment to test a physical property of the flubber that they have created using the scientific method.

  • Polarity, Covalent Bonding, VSEPR Theory, Molecular Geometry, Electronegativity | High School

    Lesson Plan: Polarity

    In this lesson, students learn some tips about how to determine whether a molecule is polar or nonpolar by question features about Lewis structures and symmetry.

  • Elements, Interdisciplinary, Molecular Formula, Conservation of Mass, Conservation of Matter, Molecular Structure, Balancing Equations, Reversible Reactions, Chemical Change, Matter, Photosynthesis, Monomer | Elementary School

    Lesson Plan: Plant Chemistry

    In this lesson, students will explore a simple, but key, biochemical reaction: photosynthesis.

  • Physical Properties, Mixtures, Solubility, Melting Point, Intermolecular Forces, Freezing Point, Polarity, Molecular Structure, Solute & Solvent, Intermolecular Forces, Boiling Point, Intramolecular Forces, Graphing, Mixtures, Lewis Structures | High School

    Lab: Physical Properties (High School)

    In this lesson, students investigate how intermolecular forces effect physical properties by investigating substances’ melting points as well as solubility.

  • Percent Composition, Percent Composition, Mole Concept, Dimensional Analysis | High School

    Lab: Percent Composition of Bubble Gum

    In this lab, students will be introduced to the concept of percent composition. Students will determine the amount of sweetener in various brands of gum by determining the mass difference of the gum before and after it is chewed.

  • Naming Compounds, Ionic Bonding, Intramolecular Forces, Ions | High School

    Activity: Constructing Ionic Compounds

    In this activity, students will construct ionic compounds by balancing the charges on cations and anions.

  • Condensation, Chemical Change, Functional Groups, Lewis Structures | High School

    Lab: Condensation Reaction

    In this lab, students will use Lewis structures to explain the mechanism of an organic condensation reaction between a carboxylic acid and an alcohol, also known as an esterification reaction.

  • Physical Properties, Polymers, Molecular Structure, Polymers | High School

    Activity: Molecular Spaghetti

    In this activity, students will discover how the entanglement in cooked spaghetti depends on the length of the spaghetti strands and relate this discovery to polymeric materials.

  • Separating Mixtures, Density, Mixtures, Chemical Change, Intermolecular Forces, Physical Change, Intermolecular Forces | Middle School

    Lab: Clean it Up!

    In this lab, students will consider and utilize various separation techniques to purify and reclaim used motor oil.

  • Molecular Formula, Molecular Structure, Molecular Structure , Functional Groups, Oxidation, Saturated vs. Unsaturated | High School

    Lesson Plan: Chocolate: The New Health Food

    Explore emergency lesson plans from ChemMatters magazine.

  • Mole Concept, Dimensional Analysis, Measurements, Molar Mass | High School

    Lab: Calculating Moles

    In this lab, students will have the opportunity to practice conducting the chemist’s way of counting atoms and molecules by using the mole. They will determine the mass of various common elements and compounds and convert this data into values of moles, atoms and molecules. This will allow students to realize the connection between commonly used laboratory chemicals and the quantitative data and calculations that are such a fundamental part of chemistry.

  • Molecular Formula, Mole Concept, Dimensional Analysis, Measurements, Scientific Notation, Molar Mass, Significant Figures | High School

    Activity: Can You Color A Mole?

    In this activity, students determine how many moles of paraffin are used when they color a piece of paper as well as how many molecules and moles of wax are in one crayon.

  • Observations, Physical Properties, Introduction, Polymers | Elementary School

    Activity: Bouncy Ball

    In this activity, students explore the chemical reaction between borax and glue, creating a polymer ball. The properties of the polymer ball will be analyzed and compared to a store bought bouncy ball.

  • Molecular Formula, Periodic Table, Covalent Bonding, Ionic Bonding | High School

    Activity: Bondy (Rummy)

    In this activity, students play a game in which they use element cards to form compounds.

  • Renewable Energy, Chemical Change, Interdisciplinary, Distillation, Molecular Structure, Combustion, Stoichiometry, Chemical Change, Molecular Structure , Enthalpy | High School

    Lesson Plan: Biofuels of the Future

    In this lesson students will explore the world of automobile alternative energy sources through the study of biofuels. They will design and create an e-book that illustrates and explains one of the provided topics or an original idea approved by the teacher.

  • Solubility, Covalent Bonding, Precipitate, Ionic Bonding, Molecular Structure, Solute & Solvent, Saturated/Unsaturated/Supersaturated | Middle School, High School

    Lab: Benzoic Acid Blizzard in a Bottle

    In this lab, students create a snow globe by taking advantage of benzoic acid’s solubility properties in hot water.

  • Physical Properties, Mixtures, Molecular Structure, Mixtures | High School, Middle School, Elementary School

    Demonstration: Analyzing Mixtures

    In this demonstration, the teacher will create a sequence of mixtures in a single test tube. Water, oil, food coloring and soap will be used in this demonstration to introduce the concepts of heterogeneous and homogeneous solutions as well as the idea of miscibility. Students will also have the opportunity to analyze the properties, such as surface tension of each component used.

  • Identifying an Unknown, Net Ionic Equation, Stoichiometry, Percent Composition, Molar Mass, Error Analysis | High School

    Lab: Analysis of Carbonate Compounds

    In this lab, students identify three unknown substances by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.

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