Classroom Resources: Molecules & Bonding
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151 – 175 of 194 Classroom Resources
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Photosynthesis, Conservation of Mass, Balancing Equations, Chemical Change, Reversible Reactions, Molecular Formula, Interdisciplinary, Chemical Change, Conservation of Mass | Middle School
Lesson Plan: The Building Blocks of Photosynthesis
In this lesson, students will use colored blocks to represent the elements in photosynthesis and illustrate how they are broken down and reassembled to create glucose.
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Limiting Reactant, Stoichiometry, Balancing Equations, Mole Concept, Dimensional Analysis, Molar Mass | High School
Activity: Sweet Stoichiometry Reactions
In this activity, students will use candy to investigate stoichiometry and mole-gram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.
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Isomers, Intermolecular Forces, Molecular Geometry, Molecular Structure, Intermolecular Forces, Boiling Point, Melting Point, Phase Changes, Isomers, Molecular Structure , Distillation, Separating Mixtures, Physical Properties | High School
Lesson Plan: Structural Isomers
In this activity, students will use models to explore structural isomers, and create explanations for the impact of structure on intermolecular forces (London dispersion) and physical properties (boiling point).
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Conductivity, Covalent Bonding, Ionic Bonding | High School
Lab: Strong and Weak Electrolytes
In this lab, students will analyze the conductivity of several common household solutions using a light emitting conductivity diode tester to determine if the solution is a strong or weak electrolyte. Students will interpret the brightness of the lightbulb to determine the strength of the electrolyte. Students will also have an opportunity to consider the connection between conductivity and bond type during this lab.
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Molecular Formula, Empirical Formula, History, Interdisciplinary | High School
Activity: Herbal Remedies
In this activity, students learn how the modern atomic theory evolved. They further their understanding of empirical and molecular formulas through research and a presentation of an herbal remedy.
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Intermolecular Forces, Boiling Point, Heat of Vaporization , Molar Mass, Polarity, Intermolecular Forces | High School
Lab: Heat of Vaporization
In this lab, students test whether a substance’s heat of vaporization is determined by its molar mass, the strength of its intermolecular forces, or both.
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Solute & Solvent, Chemical Change, Solubility, Chemical Bond | Middle School
Lab: A Sticky Situation
In this lab, students will try to separate plastic spoons that have been attached together with different adhesive materials using a variety of solvents.
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Polymers, Physical Properties, Molecular Structure, Experimental Design, Scientific Method, History, Interdisciplinary | High School
Lesson Plan: Give Your Car Some Bounce
In this lesson students will learn about polymerization, specifically as it pertains to rubber tires and other materials in a vehicle. Students will take on the role of an engineer, and will investigate physical properties of different polymers and/or elastomers to determine the best material to use for an assigned product.
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Solubility, Intermolecular Forces, Intermolecular Forces, Mixtures, Intramolecular Forces, Polarity, Observations, Physical Properties, Chemical Properties, Identifying an Unknown, Mixtures | High School
Lab: Solubility & Compound Type
In this lesson, students determine whether unknown substances are polar, nonpolar, or ionic by testing their solubilities.
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VSEPR Theory, Molecular Geometry, Resonance, Covalent Bonding | High School
Activity: Shapes of Molecules
In this activity, 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.
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Intermolecular Forces, Mixtures, Intermolecular Forces, Colligative Properties, Freezing Point Depression, Solubility, Polarity, Phase Changes, Freezing Point, Density, Mixtures, Physical Properties | 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).
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Distillation, Intermolecular Forces, Separating Mixtures, Observations, Physical Properties, Polarity, Cracking, Intermolecular Forces, Boiling Point, Balancing Equations | 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.
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Molecular Formula, Naming Compounds, Ionic Bonding, Covalent Bonding, Molar Mass | High School
Activity: Formula Card Game
In this activity, students play a card game to practice creating chemical formulas.
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Polarity, Physical Change, Intermolecular Forces, Intermolecular Forces, Physical Change, 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.
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Polarity, Mixtures, Intermolecular Forces, Intermolecular Forces, Physical Properties, Observations, Mixtures | Middle School, Elementary School, High 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.
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Molecular Formula, Stoichiometry, Law of Definite Proportions, Dimensional Analysis, Mole Concept, Classification of Reactions | 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
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Polymers, Scientific Method, Physical Properties, Mixtures | Elementary School, Middle 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.
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Polarity, VSEPR Theory, Molecular Geometry, Electronegativity, Covalent Bonding | 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.
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Conservation of Matter, Chemical Change, Photosynthesis, Balancing Equations, Reversible Reactions, Molecular Formula, Molecular Structure, Conservation of Mass, Interdisciplinary, Matter, Elements, Monomer | Elementary School
Lesson Plan: Plant Chemistry
In this lesson, students will explore a simple, but key, biochemical reaction: photosynthesis.
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Intermolecular Forces, Solubility, Intermolecular Forces, Intramolecular Forces, Polarity, Lewis Structures, Molecular Structure, Solute & Solvent, Mixtures, Melting Point, Freezing Point, Boiling Point, Physical Properties, Graphing, Mixtures | 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.
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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.
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Ionic Bonding, Naming Compounds, 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.
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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.
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Polymers, Polymers, Molecular Structure, Physical Properties | 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.
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Separating Mixtures, Density, Physical Change, Chemical Change, Mixtures, Intermolecular Forces, 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.