101 – 125 of 168 Classroom Resources

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  Solubility, Solute & Solvent | High School

  Demonstration: Root Beer Chemistry Mark as Favorite (12 Favorites)

  In this demonstration, students will understand the factors affecting solubility of both a solid and a gas in a liquid through the process of making root beer.

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  Ionic Bonding, Net Ionic Equation | High School

  Lab: The pH of Salts Mark as Favorite (17 Favorites)

  In this lab, students will determine whether an aqueous solution is acidic, basic, or neutral. Students will write net ionic equations for the hydrolysis of a solution.

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  Beer's Law, Molarity, Concentration | High School

  Lab: Beer's Law Discovered Mark as Favorite (31 Favorites)

  In this laboratory investigation, students will explore the concepts of light absorption, transmittance, and the relationship between absorbance, path length, and concentration of solution.

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  Concentration, Mixtures, Interdisciplinary, Scientific Method, Measurements | Middle School, High School

  Lab: Effect of Salt Concentration on Plants Mark as Favorite (9 Favorites)

  In this lab, students will observe how salt concentration can affect the structure of a potato tuber.

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  Freezing Point, Phase Changes, Freezing Point Depression | Middle School, High School

  Lab: Freezing Ice Cream Mark as Favorite (42 Favorites)

  In this lab, students will investigate changing states of matter, chemical reactions, and the properties of ice and salt while creating their own ice cream.

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  Reaction Rate, Graphing, Temperature, Concentration | High School, Middle School

  Lab: Starch-Iodine Clock Reaction Mark as Favorite (62 Favorites)

  In this lab, students perform an iodine clock reaction to determine how concentration and temperature effect the reaction rate.

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  Molarity, Concentration, Mole Concept | High School

  Demonstration: What Is a 1 Molar Solution? Mark as Favorite (33 Favorites)

  In this demonstration, students will determine the molarity of several different solutions demonstrated by the teacher.

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  Activity Series, Chemical Change, Oxidation, Reduction, Net Ionic Equation, Redox Reaction, Observations | High School

  Lab: Fine Art of Redox Mark as Favorite (24 Favorites)

  In this lab, students will practice writing and balancing redox reactions and use the activity series to verify the outcome of a chemical reaction.

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  Solubility, Solute & Solvent, Reaction Rate | Elementary School

  Lab: M&M's Solution Mark as Favorite (2 Favorites)

  In this lab, students will investigate dissolving using M&M’s and will determine whether dissolving happens faster without assistance, or with the assistance of the tongue and teeth.

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  Solubility, Solute & Solvent, Mixtures, Intermolecular Forces, Intermolecular Forces, Polarity, Molecular Geometry | Elementary School, Middle School, High School

  Animation: Solubility Animation Mark as Favorite (78 Favorites)

  This animation explores how ionic and molecular compounds dissolve (or don’t) in water. Students will see that if an ionic compound such as salt dissolves, the ions dissociate, whereas the molecules in a molecular compound such as sugar remain intact but are separated from one another by water molecules. They will also see that some ionic compounds such as chalk do not dissolve, and the cations and anions remain stuck together. **This video has no audio**

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  Balancing Equations, Precipitate, Solubility Rules | High School

  Animation: Net Ionic Equations Animation Mark as Favorite (61 Favorites)

  This animation explores what happens in a precipitate reaction on the particulate level. Students will see why writing a net ionic equation accurately represents what happens in these scenarios. An example of diluting a soluble solid, mixing two aqueous reactants that yield aqueous products, and mixing two aqueous reactants that yield a precipitate are part of this animation. **This video has no audio**

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  Solubility, Solute & Solvent, Precipitate, Saturated/Unsaturated/Supersaturated | High School, Elementary School, Middle School

  Lab: Winter Crystals Mark as Favorite (45 Favorites)

  In this lab, students will create a supersaturated solution by dissolving borax in boiling water. They will create a snowflake using pipe cleaner to suspend in the solution, which will serve as a nucleation site for crystallization as the solution cools and remains undistributed overnight. This lab gives students an opportunity to experience the exciting crystallization process and become more familiar with an engaging chemistry spectacle!

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  Chemical Change, Strong vs Weak, Salts, Acid & Base Theories, Ions, Conductivity, Mixtures | Middle School

  Lesson Plan: Why Drink Gatorade? Mark as Favorite (1 Favorite)

  In this lesson, students will test different flavors of Gatorade and other liquids to investigate acids and bases. This will take several days unless students already know about acids and bases.

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  Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Net Ionic Equation, Concentration, Molarity, Precipitate, Solubility, Dimensional Analysis, Mole Concept, Observations, Graphing, Separating Mixtures, Identifying an Unknown | High School

  Lab: White Lab Mark as Favorite (52 Favorites)

  In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

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  Titrations, Concentration, Indicators, Acid Base Reactions, Equivalence Point, Molarity | High School

  Lab: Lethal Dose Mark as Favorite (34 Favorites)

  In this lab, students will perform several titrations to calculate the concentration of potentially “lethal” medicycloprophic solutions.

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  Molarity, Concentration, Saturated/Unsaturated/Supersaturated, Mole Concept, Dimensional Analysis, Stoichiometry, Balancing Equations | High School

  Lab: Kool-Aid Mark as Favorite (69 Favorites)

  In this lab, students calculate grams of Kool-Aid powder required to make 3 different solutions of Kool-Aid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared Kool-Aid through a taste test.

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  Polarity, Polymers, Molecular Structure, Monomer, Intermolecular Forces, Scientific Method, Chemical Change, Intermolecular Forces | Middle School

  Lesson Plan: Watch the Baby! Superabsorbent Polymer Mark as Favorite (5 Favorites)

  In this lesson, students will learn about how polymers, specifically superabsorbent polymers, work. Through lab activities, students will investigate polymer properties.

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  Titrations, Acid Base Reactions, Indicators, Chemical Change, Stoichiometry, Balancing Equations, Concentration, Molarity, Error Analysis, Dimensional Analysis, Measurements | High School

  Lab: Vinegar Quality Control Mark as Favorite (39 Favorites)

  In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

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  Net Ionic Equation, Chemical Change, Solubility Rules, Solubility, Precipitate, Balancing Equations, Chemical Change | High School

  Lab: Ions in Aqueous Solution Presentation Mark as Favorite (32 Favorites)

  In this lab, students will mix ionic solutions to determine what combinations form precipitates.

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  History, Interdisciplinary, Physical Properties, Chemical Properties, Observations, Mixtures | Middle School, High School

  Lab: Top Secret Mark as Favorite (21 Favorites)

  In this lab, students will learn about the history of invisible ink and will have the opportunity to compare two types of homemade invisible ink recipes.

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  Titrations, Equivalence Point, Indicators, Acid Base Reactions, Chemical Change, Salts, Molarity, Reaction Rate, Order of Reaction , Error Analysis | High School

  Lab: Titration Lab with Kinetics Mark as Favorite (14 Favorites)

  In this lab, students calculate the molarity of an unknown using a titration and also by solving for a dilution.

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  Concentration, Solute & Solvent, Mixtures, Solubility, Percent Composition | Middle School

  Lab: The Perfect Kool-Aid Concentration Mark as Favorite (9 Favorites)

  In this lab, the students will investigate how the concentration of a solution affects its properties such as color and taste.

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  Colligative Properties, Specific Heat, Freezing Point Depression, Solute & Solvent, Concentration, Heat, Temperature, Calorimetry, Error Analysis | High School

  Lesson Plan: The Hot and Cold of it All Mark as Favorite (13 Favorites)

  In this lesson students will analyze the effectiveness of different brands of antifreeze/coolants and their ability to protect an engine in cold climates. Students will conduct a lab investigation to examine the freezing point depression in samples that have been diluted with distilled water. Students will also determine the specific heat capacities of antifreeze/coolant products as compared to pure water and explain how it relates to thermal energy transfer in the internal combustion engine.

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  Identifying an Unknown, Culminating Project, Classification of Reactions, Experimental Design, Scientific Method, Interdisciplinary, Review, Balancing Equations, Stoichiometry, Concentration, Molarity | High School

  Lab: The Culminating Unknown Mark as Favorite (34 Favorites)

  In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

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  Conductivity, Covalent Bonding, Ionic Bonding | High School

  Lab: Strong and Weak Electrolytes Mark as Favorite (16 Favorites)

  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.