51 – 75 of 84 Classroom Resources

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  Indicators, Chemical Properties, Observations, Acid Base Reactions | Elementary School

  Lab: Can a Cabbage Distinguish an Acid from a Base? Mark as Favorite (6 Favorites)

  In this lab, students will first determine what colors the cabbage indicator turns in acidic, neutral, and basic solutions.

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  Solubility, pH | High School

  Lesson Plan: Investigating Ocean and Marine Algae Mark as Favorite (8 Favorites)

  In this lesson, students will learn about coccolithophores, unicellular marine algae that inhabit the upper layer of the ocean. These phytoplankton form calcium carbonate, calcite, scales called coccoliths and are the biggest calcite producers in the ocean. First, students will observe photos of algal blooms of different types and analyze the photos for similarities and differences. Next, students will be introduced to types of marine algae including coccolithophores and to how ocean pH changes are impacting the availability of carbonate for use in the formation of calcite shells and coccoliths. Students will then plan and carry out a small-scale laboratory to investigate the relationship between the solubility of calcium carbonate and pH. To conclude, students will read an abstract of recent research into coccolithophores and ocean acidification and compare and contrast those findings with their own investigation’s results.

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  Concentration, Precipitate, Molarity, Molality, Conductivity, Colligative Properties, Boiling Point Elevation, Freezing Point Depression, Distillation, Culminating Project, Graphing, Accuracy, Error Analysis, Interdisciplinary, Mixtures, pH, Buffers, Boiling Point, Freezing Point, Phase Changes | High School

  Lesson Plan: Investigating Sea Water Mark as Favorite (27 Favorites)

  In this lesson, students will consider their water footprint and means to obtain fresh water from seawater using a solar still. To understand the differences between fresh water and seawater, students will determine the composition of artificial seawater by using qualitative analysis to test for different ions in solution and calculate the molarity of different salts used in the recipe. Students will observe the effects of solutes in aqueous solutions by measuring conductivity and the freezing and boiling points of seawater and deionized water and determine total dissolved solids. In addition, students explore the buffering ability of seawater and the effect of carbon dioxide on its pH.

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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 (2 Favorites)

  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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  Physical Change, Chemical Change, Identifying an Unknown, Acid Base Reactions | Middle School

  Lab: Is It a Hoax? Mark as Favorite (14 Favorites)

  In this lab, students will perform tests on the physical and chemical properties of different substances to determine the identity of the unknown.

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  Indicators, Chemical Properties | Middle School

  Lab: Acid & Base Mark as Favorite (0 Favorites)

  In this lab, students are given four unknown liquids and must identify whether they are acids or bases.

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  Activity Series, Chemical Change, Electrons, Electron Transfer, Balancing Equations, Chemical Change, Predicting Products, Observations, Acid Base Reactions | High School

  Simulation: Metals In Aqueous Solutions Mark as Favorite (116 Favorites)

  In this activity, students will run simulated tests of various metals in aqueous solutions to determine the relative reactivity of these metals. A total of eight metals will be observed in various combinations with the corresponding metal nitrate solutions and hydrochloric acid. Students will interpret the data collected to construct an activity series of the elements used in this simulation.

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  Solubility, Acid Base Reactions, Titrations, Indicators, Concentration, pH | High School

  Lab: Alka-Seltzer & Gas Solubility Mark as Favorite (18 Favorites)

  In this lab, students will use a reaction to investigate temperature and the solubility of carbon dioxide and will use a neutralization reaction and an indicator to verify the amount of carbon dioxide produced at each temperature.

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  Acid Rain, Chemical Change, Acid Base Reactions, pH, Chemical Change, Classification of Reactions, Observations, Interdisciplinary | High School

  Activity: Investigating Acid Rain Mark as Favorite (28 Favorites)

  In this activity, students will investigate the chemistry of acid rain through web based research. Students will also have the opportunity to observe the reaction between a common acid and a material in a week long simulation and relate their findings to the effects of acid rain.

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  Pros Cons of Nuclear Power, Combustion, Acid Rain, Radiation, Renewable Energy, Radiation | High School

  Activity: Town Meeting Mark as Favorite (37 Favorites)

  In this activity, students will learn about acid rain, gas scrubbers, half-life, chain reactions, and other topics around electricity production through a debate on nuclear power.

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  Identifying an Unknown, Observations, Physical Change, Physical Properties, Chemical Change, Chemical Properties, Solubility, Precipitate, Indicators | High School

  Lab: Using Qualitative Analysis to Identify Household Compounds Mark as Favorite (64 Favorites)

  In this lab, students will be introduced to common laboratory techniques, safety procedures, lab reagents, and terminology, all while identifying unknown household substances. Students will learn how to use qualitative analysis techniques as a systematic way to identify unknown materials. As part of this process, they will practice careful observation and documentation, as well as identifying relevant physical and chemical properties and changes, including solubility, color change, gas formation, and precipitation of solids.

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  Combustion, Chemical Change, Catalysts, Acid Base Reactions, Chemical Change, Balancing Equations, Classification of Reactions, Observations, Chemical Change | High School, Middle School

  Demonstration: Stop & Go Gases Mark as Favorite (7 Favorites)

  In this demonstration, students will witness the ability of carbon dioxide to extinguish a flame and oxygen to feed a flame. They will also be introduced to the concept of catalysts. This demonstration could also be used as an opportunity to practice writing and balancing equations and classifying chemical reactions.

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  pH, Indicators, Chemical Properties, Physical Properties, Identifying an Unknown | High School

  Lab: Pigment pH Puzzles Mark as Favorite (21 Favorites)

  In this lab, students will use their scientific detective skills to determine the identity of pigments used in various types of pH test strips based on how they each interact with several solutions of different pH values.

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  Mixtures, Acid Rain, Interdisciplinary, Chemical Properties | Elementary School, Middle School

  Lesson Plan: Environmental Problems Mark as Favorite (13 Favorites)

  In this lesson, students are presented with an environmental problem to solve using important concepts of chemistry, which involves a lake with deteriorating water quality.

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  Observations, Mixtures, Chemical Change, Physical Change, Chemical Change, pH | Elementary School

  Demonstration: The Chemistry of Cheese Mark as Favorite (3 Favorites)

  In this demonstration, students will observe the chemical process that occurs when making cheese. Students will be become more familiar with fundamental chemistry terms while making important observations.

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  Reaction Rate, Reaction Rate, Chemical Change, Acid Base Reactions | Middle School

  Lab: Bath Bomb Chemistry! Mark as Favorite (30 Favorites)

  In this lab, the students will work in cooperative groups to investigate how to make a scented, effervescent bath bomb and explore the chemistry needed to create them. Groups will test a variety of different variables in order to compare the reaction rate of each sample. Students will use the results to determine which variables are optimal for making and using bath bombs.

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  Titrations, Indicators, Acid Base Reactions, Stoichiometry, Percent Composition | High School

  Lab: The Egg-straordinary Issue Mark as Favorite (78 Favorites)

  In this lab students will determine the percent composition of calcium carbonate contained in an eggshell by using a back titration in order to address a farmer’s concerns about his hen’s fragile eggs. Two versions of the student lab are included, a scripted version, and an inquiry version.

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  Chemical Change, Observations, Chemical Change, Mixtures | Elementary School, Middle School, High School

  Demonstration: Inflating a Balloon with Chemistry Mark as Favorite (29 Favorites)

  In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.

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  Chemical Change, Reaction Rate, Chemical Change, Exothermic & Endothermic, Heat, Temperature | High School

  Lab: A Comparison of Two Chemical Reactions Mark as Favorite (47 Favorites)

  In this lab, students will perform two chemical reactions, one between acetic acid and sodium bicarbonate and the other between the citric acid and the sodium bicarbonate in an Alka-Seltzer tablet when dissolved in water. Both reactions will produce gas while reacting in a closed plastic sandwich bag, causing it to inflate. Students will observe the reactions and analyze the results in order to understand indicators of chemical changes, heat flow, and factors that affect reaction rates

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  Acid & Base Theories, Strong vs Weak, History | Middle School, High School

  Video: Acid & Base Guys Video Mark as Favorite (63 Favorites)

  This video tells the story of how the definition of acids and bases has evolved from Lavoisier, to Arrhenius, Bronsted-Lowry, and Lewis.

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  Acid & Base Theories, Acid Base Reactions, Acid Rain, pH, History, Interdisciplinary | High School

  Project: Acid Base Creative Letter Mark as Favorite (25 Favorites)

  In this project, students will compare and contrast the properties of acids and bases and define pH.

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  Mixtures, Chemical Change, Physical Change, Observations, Density, Acid Base Reactions, Chemical Change, Mixtures | Elementary School

  Lab: Analyzing a Lava Lamp Mark as Favorite (5 Favorites)

  In this lab, students create a mixture of oil, water and food coloring, and then add an Alka-Seltzer tablet, to create a homemade lava lamp. Student will record their observations during each step of the process and answer follow-up questions about the chemical and physical changes that took place.

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  Chemical Change, Chemical Change, Observations, Chemical Change | Elementary School

  Lab: My Pennies Mark as Favorite (3 Favorites)

  In this lab, students will investigate how an acidic, vinegar based solution can help to get “dirty” pennies clean. Students will observe chemical change and investigate real-world connections to this lab.

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  Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Chemical Change, Error Analysis, Dimensional Analysis, Acid Base Reactions, pH | High School

  Lab: Limiting Reactant in a Balloon Mark as Favorite (58 Favorites)

  In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

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  Acid Rain, Acid Base Reactions, Chemical Change, Chemical Change, Indicators, Equivalence Point, pH, Concentration, Molarity | High School

  Lab: Seeing the Effects of Acid Rain Mark as Favorite (18 Favorites)

  In this lesson, students will prepare an environment and make acid rain to see how the acid rain effects the items in the environment.