51 – 75 of 192 Classroom Resources

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  Identifying an Unknown, Culminating Project, Classification of Reactions | High School

  Lab: The Culminating Unknown Mark as Favorite (8 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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  Percent Composition, Identifying an Unknown, Net Ionic Equation, Atomic Mass | High School

  Lab: Analysis of Carbonate Compounds Mark as Favorite (14 Favorites)

  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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  Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity | High School

  Lab: Less Than Zero Mark as Favorite (6 Favorites)

  In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

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  Limiting Reactant, Balancing Equations, Stoichiometry, Conservation of Mass | High School

  Activity: Limiting Reactants using Particulate Diagrams Mark as Favorite (13 Favorites)

  In this activity, students will gain practice drawing particulate diagrams to demonstrate stoichiometry and limiting reactants.

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  Chemical Change, Classification of Reactions, Oxidation, Reduction, Redox Reaction, Electrons, Electron Transfer, Ions, Observations, Inferences, Chemical Change | Middle School

  Lesson Plan: One Tube Reaction Mark as Favorite (3 Favorites)

  In this lesson, students will observe a chemical change involving oxidation and reduction.

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  Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental design | High School

  Lab: Launching Rockets Mark as Favorite (35 Favorites)

  In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

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  Reaction Rate, Reaction Rate, Chemical Change | Middle School, High School

  Demonstration: Comparing Rates of Reaction Mark as Favorite (11 Favorites)

  In this demonstration, students observe the effect of temperature, concentration, and particle size on the rate of a chemical reaction.

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  Balancing Equations, Classification of Reactions, Chemical Change, Identifying an Unknown, Molarity, Concentration | High School

  Lab: An Environmental Impact Study Mark as Favorite (7 Favorites)

  In this lab, students will test a water sample which comes from a local zoo, where, it is reported that many bird eggs are not hatching. Students will test the water for the presence of multiple ions. Once the type of ion in the water is determined, students will write balanced equations to illustrate their findings. Students will also conduct a serial dilution to determine the concentration, or molarity, of the ion in the water sample. This molarity will be compared to known values to determine if the materials in the water are at an unhealthy level.

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  Stoichiometry, Balancing Equations, Limiting Reactant | High School

  Activity: Farfalle Stoichiometry Mark as Favorite (4 Favorites)

  In this activity, students will use a hands-on manipulative (pasta) to represent the stoichiometric relationships in a compound and in a balanced equation. They will determine the limiting reactant for a given amount of two reactants and they will identify the excess reactant. In the extension exercise, students will balance the equations that are used in the production of ammonia, a common chemical fertilizer.

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  Chemical Change, Physical Change, Chemical Change | Middle School, High School

  Lab: Chemical and Physical Changes Mark as Favorite (40 Favorites)

  In this lab, students will observe and analyze a number of examples in order to determine if a chemical or physical change occurred.

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  Stoichiometry, Gas Laws, Mole Concept | High School

  Lab: Investigating the Self-Inflating Balloon Mark as Favorite (4 Favorites)

  In this lab, students will investigate the chemical reaction used in the self-inflating balloon. They will apply their knowledge of gas laws and stoichiometry in order to determine the quantities of reactants used to inflate the balloon.

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  Electron Configuration, Precipitate, Balancing Equations, Electrons, Valence Electrons, Solubility Rules, Classification of Reactions | High School

  Lesson Plan: Transition Metals Color the World Mark as Favorite (33 Favorites)

  In this lesson students will complete a series of double replacement reactions to form precipitates. The precipitates will be used as a pigment to create paint.

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  Solubility Rules, Classification of Reactions, Precipitate, Net Ionic Equation | High School

  Lesson Plan: Do it Yourself Color! Mark as Favorite (7 Favorites)

  In this lesson students will use solubility rules to predict whether the product of a double displacement or metathesis reaction will produce a precipitate. Students will then investigate a series of reactions to verify solubility rules. Finally students will determine the identity of unknown solutions based on experimental evidence.

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  Activity Series, Chemical Change, Redox Reaction, Reduction, Oxidation, Balancing Equations | High School

  Lesson Plan: Single Displacement Reactions with Test Tube Diagrams Mark as Favorite (37 Favorites)

  In this lesson students will perform and analyze two single displacement reactions and prepare and manipulate Test Tube Diagrams to depict the activity at the molecular level. Using manipulatives representing individual ions, atoms and molecules for the various reactants and products, they will accurately represent species in the solid, gaseous and aqueous states by correlating the Test Tube Diagram to the complete ionic equation for each reaction. They will determine the reactants and products responsible for color, as well as identify which species is oxidized and which is reduced.

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  Balancing Equations, Conservation of Mass | Middle School, High School

  Activity: Balancing Equations with Note Cards Mark as Favorite (23 Favorites)

  In this activity, students will balance equations and get immediate feedback on whether they are accurate or not while trying to solve a challenge. This activity works best as a review activity after balancing and the law of conservation of matter has been taught.

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  Electricity, Renewable Energy, Photosynthesis, Electron Transfer, Redox Reaction, Oxidation, Reduction | High School

  Lesson Plan: Color Solar Power! Mark as Favorite (10 Favorites)

  In this lesson students will make a dye-sensitized solar cell (also known as DSC or Gratzel cell) using extracts from blackberries, raspberries, blueberries, red cabbage, strawberries, beetroot, spinach and dried hibiscus petals. Students will measure the voltage and the current of various light sources using the created solar cells and then compare the effectiveness of each.

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  Classification of Reactions, Balancing Equations, Combustion, Reversible Reactions, Stoichiometry | High School

  Demonstration: Firefighter or Fireball Mark as Favorite (9 Favorites)

  In this demonstration the teacher will complete two chemical reactions inside of separate balloons that each produces a gas. Students will observe and record data as the teacher attempts to ignite each balloon. This demonstration will help students better understand how to predict products, as well as familiarize them with double replacement and combustion reactions.

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  Combustion, Heat of Combustion | High School

  Lesson Plan: Redesigning a Car for the Environment Mark as Favorite (13 Favorites)

  Chemland’s city public transportation board has requested the class to help them determine the direction the city should move towards in reducing the carbon footprint. Students will be divided into groups and will come up with proposals of how to reduce the carbon footprint from carbon dioxide released from vehicles. The groups will represent different ways to reduce the carbon footprint via an alternative fuel source or a new technology. They will debate their findings to determine the direction that the city council should move towards to reduce the carbon footprint.

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  Conservation of Mass, Renewable Energy | High School

  Lab: Soap or Fuel? Mark as Favorite (5 Favorites)

  In this lab, students will transform vegetable oil into a soft soap and into biodiesel fuel. The two reactions emphasize that the products of a chemical reaction are under the control of the chemist. By noting the relationship of the reaction product to the reactants, students will gain a deeper understanding of the law of conservation of matter.

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  Solubility Rules, Chemical Change, Redox Reaction, Precipitate, Reaction Rate, Reduction, Oxidation | High School

  Lesson Plan: Removing Copper Stains from Masonry Mark as Favorite (5 Favorites)

  In this lab, students investigate the use of milk of magnesia poultice to remove copper stains on masonry in copper architecture. They use chalk as the model for masonry, copper(II) chloride solution as a model for soluble copper and a freshly prepared slurry of copper phosphate as a model for a hard stain of copper on masonry. Through a series of investigations students have the opportunity to connect chemistry topics with real-world applications, such as environmental hazards, engineering practices of copper architecture, corrosion control, and structural protection.

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  Photosynthesis, Interdisciplinary | Elementary School, Middle School

  Lesson Plan: Investigating Photosynthesis Mark as Favorite (0 Favorites)

  In this lesson, students will build knowledge through reading an assigned passage, as well as analyze evidence produced from a teacher led demonstration to better understand the process of photosynthesis.

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  Molecular Structure , Functional Groups, Balancing Equations | High School

  Lab: Esterfication Mark as Favorite (1 Favorite)

  In this lab, students will make at least six esters from different combinations of available organic acids and alcohols. In addition, they will attempt to identify the scent of each ester that is created.

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  Chemical Change, Activity Series, Redox Reaction, Chemical Change, Physical Change | High School

  Demonstration: Understanding the Discrepant Reactivity of Copper in the Presence of Strong Acids Mark as Favorite (3 Favorites)

  In this demonstration, students practice their observation skills during the additions of different acids to two test tubes containing copper. The activity is structured to allow students to make thoughtful remarks about what they observe, using rich indicators of both chemical and physical properties and changes. In subsequent lessons on new concepts, students can reflect back on their observations to rationalize the discrepant results of the reactions in the demonstration.

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  Chemical Change, Conservation of Mass, Balancing Equations | Middle School, High School

  Demonstration: Identifying Chemical Reactions Mark as Favorite (4 Favorites)

  In this demonstration, students observe a series of teacher led demonstrations to learn how to identify evidence that a chemical reaction has occurred, how to write a word equation to explain a chemical reaction, and how to convert a word equation to a balanced chemical equation.

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  Chemical Change, Observations, Mixture, Acids & Bases, Chemical Change | Elementary School, Middle School, High School

  Demonstration: Inflating a Balloon with Chemistry Mark as Favorite (4 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.