Classroom Resources: Reactions & Stoichiometry

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151 – 175 of 196 Classroom Resources

  • Elements, Identifying an Unknown, Conservation of Matter, Culminating Project, Chemical Change | Middle School

    Lab: Priestley Labs

    In this lab, students will identify an unknown gas based on experimental evidence.

  • Observations, Density, Chemical Change, Balancing Equations, Classification of Reactions, Chemical Change | High School

    Demonstration: Preparation of Hydrogen

    In this demo, students witness a single displacement reaction between zinc and sulfuric acid that produces hydrogen gas. The gas is collected via water displacement and ignited.

  • Chemical Change, Precipitate, Balancing Equations, Chemical Change, Chemistry Basics, Solubility Rules | Middle School, High School

    Lab: Predicting Precipitates

    In this lab, students use solubility rules to predict which chemical reactions will produce precipitates.

  • Renewable Energy, Pressure, Conservation of Mass, Chemical Change, Volume | High School, Middle School

    Lab: Power That Stinks

    In this lab, students will experiment with creating and capturing biogas, and have an opportunity to look at how energy is created from waste. They will explore the differences between non-renewable and renewable energy sources.

  • Balancing Equations, Reduction, Electrolysis, Redox Reaction, Exothermic & Endothermic, Oxidation, Half Reactions, Cathode, Anode, Electron Transfer | High School

    Lab: Electrolysis of Water

    In this lab, students will perform the electrolysis of water using a battery, test tubes, thumbtacks, and a plastic cup.

  • Reaction Rate, Reaction Rate, Acid Base Reactions | High School, Middle School

    Lab: Plop, Fizz: How to Affect the Rate of a Chemical Reaction

    In this lesson, students will react Alka-Seltzer tablets with water. By varying the temperature of the water, particle size of the Alka-Seltzer, and concentration of the Alka-Seltzer they can see the effect on the rate and strength of the chemical reaction.

  • 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.

  • Classification of Reactions, Chemical Change, Heat, Temperature, Exothermic & Endothermic | High School, Middle School

    Lab: Designing Exothermic and Endothermic Reactions

    In this lab, students will design and test an experiment for producing either an endothermic or an exothermic reaction. The goal of the lab is for students to successfully construct a reproducible procedure for a reaction that either releases or absorbs thermal energy, and that can be supported with data.

  • Observations, Chemical Change, Inferences, Interdisciplinary, Chemical Change | Elementary School

    Lesson Plan: Strawberry DNA & CSI

    In this lesson, students will extract DNA from strawberries and analyze evidence to figure out who perpetrated a petty crime.

  • Cracking, Combustion, Chemical Change, Functional Groups | High School

    Demonstration: Cracking Reaction

    In this demo, students will witness a cracking reaction. They will verify the products by exposing the products to three side reactions.

  • Chemical Change, Chemical Change | Middle School, High School

    Lab: Corrosion in Motion

    In this lab, students will expose metal samples to various solutions and observe the amount of corrosion of a period of time.

  • Solubility, Physical Change, Phase Changes, Reaction Rate, Solute & Solvent, Molecular Motion | Elementary School

    Lesson Plan: Particles in Motion

    In this lesson, students learn that particles that make up matter are in constant motion.

  • Percent Yield, Stoichiometry, Limiting Reactant, Dimensional Analysis | High School

    Activity: Cookie Stoichiometry

    In this activity, students use a chocolate chip cookie recipe to answer questions related to stoichiometry, percent yield, and limiting reactants.

  • Observations, Chemical Change, Conservation of Mass, Chemical Change | Middle School, High School

    Lab: Conservation of Mass

    In this lab, students perform three simple experiments, recording the mass of a substance before and after a reaction. They then explain how the law of conservation of mass was not violated, even if the mass changed.

  • 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.

  • Chemical Change, Acid Base Reactions, Chemical Change, Exothermic & Endothermic | Elementary School

    Demonstration: Comparing Chemical Reactions

    In this demonstration, the teacher will perform two chemical reactions, one will be between acetic acid (vinegar) and sodium bicarbonate (baking soda) and the other will be between Alka-Seltzer and water. Both reactions will produce gas and will be conducted in a Ziploc bag, causing it to inflate. Students will observe the reactions and analyze the results in order to understand indicators of chemical change. Students will also determine that these are both endothermic reactions based on their observations.

  • Observations, Balancing Equations, Conservation of Mass, Classification of Reactions, Chemical Change | High School

    Lab: Classifying Reaction Types

    In this lesson, students will carry out various reactions and classify the reaction types.

  • Classification of Reactions | High School

    Project: Classifying Reaction Types Mini Poster

    In this activity, students display their knowledge of the five main types of chemical reactions on a miniature sized poster.

  • Observations, Chemical Change, Balancing Equations | Middle School, High School

    Lab: Chemical Reactions & Equations

    In this lesson, students will observe a series of reactions, make observations, and then write balanced chemical equations to chemically describe what they observed.

  • Observations, Chemical Change, Acid, Interdisciplinary, Chemical Change, Acid Rain | Elementary School

    Lab: Chemical Weathering of Rocks

    In this lab, students will explore simulated reactions that contribute to chemical weathering of certain rocks as it appears in nature.  They will compare the effects of two different chemicals as it contacts various rock and mineral samples.

  • Observations, Chemical Change, Interdisciplinary, Physical Change, Reaction Rate, Reaction Rate, Chemical Change | Middle School

    Lab: Chemical Weathering in Geology

    In this lab, students will explore the differences between erosion, weathering and chemical weathering. They will complete a lab experiment that simulates chemical weathering on 4 different types of rocks. They will also learn how to use the Mohs Hardness Test to analyze the results.

  • Observations, Chemical Change, Physical Change, Reversible Reactions | High School

    Lab: Breath Test

    In this lab, students investigate whether chemical reactions can happen only in one direction, or whether they can be "undone."

  • Observations, Chemical Change, Chemical Change, Acid, Interdisciplinary, Physical Change, Chemical Change | Middle School

    Lab: Break It Down!

    In this lab, students will examine the physical and chemical changes that take place within a landfill by composting leftover fruits and vegetables from their lunches. They will also record pH and temperature measurements during the process.

  • Balancing Equations, Percent Yield, Stoichiometry, Classification of Reactions, Accuracy, Chemical Change, Dimensional Analysis, Measurements, Error analysis | High School

    Lab: Baking Soda Stoichiometry

    In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

  • Physical Properties, Chemical Change, Identifying an Unknown, Chemical Change, Chemical Properties | High School

    Lab: As Easy as Pie

    In this lab, students will use chemical and physical properties to identify an unknown powder.

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