26 – 47 of 47 Classroom Resources

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

  Lab: Predicting Precipitates Mark as Favorite (30 Favorites)

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

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  Exothermic & Endothermic, Classification of Reactions, Energy Diagrams, Bond Energy, Activation Energy, Temperature, Chemical Change | Middle School, High School

  Simulation: Energy Changes in Chemical Reactions Mark as Favorite (44 Favorites)

  In the November 2016 simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Students will have the opportunity to compare how energy is absorbed and released in each reaction, and will make a connection between the standard energy diagrams associated with each reaction type.

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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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  Chemical Change, Density, Chemical Change, Density | Elementary School, Middle School, High School

  Demonstration: Fire Extinguisher Mark as Favorite (17 Favorites)

  In this demonstration, students will observe a chemical reaction, and see how the product can be used to extinguish a fire.

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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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  Chemical Change, Volume | Elementary School, Middle School

  Lab: Air Bag Design Challenge Mark as Favorite (18 Favorites)

  In this lab, students will learn how chemistry is used in air bags. Students will model the inflation of an air bag by performing a series of reactions using baking soda and vinegar in a Ziploc bag. During this investigation, students will see that there is a relationship between the inflation size of the bag and the amount of reactants used. Finally, students will be challenged to design an air bag that can help an egg endure a crash test.

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  Chemical Change, Identifying an Unknown, Physical Properties, Chemical Properties, Chemical Change, Experimental Design, Scientific Method | High School, Middle School

  Lab: As Easy as Pie Mark as Favorite (62 Favorites)

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

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

  Lab: Chemical and Physical Changes Mark as Favorite (78 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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  Conservation of Mass, Chemical Change, Interdisciplinary, Culminating Project, Phase Changes, Chemical Change | Middle School, High School

  Project: Law of Conservation of Mass Comic Strip Mark as Favorite (26 Favorites)

  In this project, students will work in groups to create a comic strip that illustrates understanding of the law of conservation of mass.

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  Conservation of Mass, Measurements, Conservation of Mass, Chemical Change, Observations, Physical Change, Chemical Change | High School, Middle School

  Lab: Mass & Change Mark as Favorite (16 Favorites)

  In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.

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  Conservation of Mass, Exothermic & Endothermic, Chemical Change, Heat, Temperature, Observations, Chemical Change | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (18 Favorites)

  In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

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

  Lab: Conservation of Mass Mark as Favorite (6 Favorites)

  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.

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

  Lesson Plan: One Tube Reaction Mark as Favorite (5 Favorites)

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

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

  Demonstration: Comparing Rates of Reaction Mark as Favorite (50 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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  Chemical Change, Conservation of Mass, Balancing Equations | Middle School, High School

  Demonstration: Identifying Chemical Reactions Mark as Favorite (80 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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  Polymers, Molecular Structure, Molecular Structure , Monomer, Chemical Bond, Chemical Change, Polymers, Monomer | Middle School

  Lesson Plan: The Power of Polymers Mark as Favorite (8 Favorites)

  In this lesson students will use lab activities and discussion to explore polymers and their use in 3D printing, with an emphasis on the benefits of 3D printing in automotive manufacturing.

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  Chemical Change, Oxidation, Reduction, Redox Reaction, Electrons, Electron Transfer | Middle School

  Lesson Plan: Old Rusty Mark as Favorite (2 Favorites)

  In this lesson, students will explore the concept of oxidation of metals by creating designs on fabric or paper using rusty objects.

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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 Mark as Favorite (3 Favorites)

  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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  Classification of Reactions, Chemical Change, Catalysts, Observations | Middle School, High School

  Demonstration: Catalyst in Motion Mark as Favorite (17 Favorites)

  This demonstration allows students to visualize how a catalyst can impact a chemical reaction. Students will also identify the products of a decomposition reaction, as well as determine if the reaction was endothermic or exothermic based on their observations.

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  Chemical Change, Conservation of Mass, Chemical Change, Physical Change | Middle School, High School

  Lab: Chemistry in a Bag Mark as Favorite (89 Favorites)

  In this lab, students will observe and identify chemical and physical changes contained inside a plastic bag. Students will also use this lab to understand the Law of Conservation of Mass.

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  Concentration, Solute & Solvent, Chemical Change | Elementary School, Middle School

  Demonstration: Soft Eggs Mark as Favorite (2 Favorites)

  In this demonstration, students will first observe a reaction between vinegar (acetic acid) and an egg shell (calcium carbonate) to produce a naked egg. Using these eggs, student will analyze how certain substances can move through a membrane and also determine if the membrane is affected.