101 – 125 of 192 Classroom Resources

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  Conservation of Mass, Balancing Equations, Limiting Reactant, Introduction, Conservation of Mass | Middle School, High School

  Activity: Kinesthetic Reactions Mark as Favorite (2 Favorites)

  In this lesson students, through their physical movement, will model the law of conservation of mass during a chemical reaction. Students will also explore the concepts of limiting and excess reactants as well as balancing a chemical equation. Through this activity they also develop a means of representing particles at the molecular level.

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  Stoichiometry, Dimensional Analysis, Mole Concept | High School

  Activity: A Stoichiometry Puzzle Mark as Favorite (23 Favorites)

  In this activity, students will develop a better understanding of how to set up a stoichiometry problem using dimensional analysis (factor label method). Students will be able to use their prior knowledge of mole conversions and chemical reactions.

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  Chemical Change, Mixtures, Reaction Rate | Elementary School

  Lab: The Disappearing Color Mark as Favorite (2 Favorites)

  In this lab, students will create a solution to observe a chemical change between food coloring in water and bleach. They will also develop the process skills of predicting, observing, and measuring temperature.

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  Chemical Change, Reaction Rate, Reaction Rate, Phase Changes | Elementary School

  Demonstration: Plop & Fizz Investigation Mark as Favorite (0 Favorites)

  In the demonstration the teacher will perform a reaction between water and Alka-Seltzer in order to generate the release of carbon dioxide. Students will observe the chemical reaction, while timing the release of carbon dioxide and observe 3 states of matter. This will be repeated 3 times, each time increasing the number of tablets used.

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  Stoichiometry | High School

  Lesson Plan: How to do Stoichiometry Problems Mark as Favorite (16 Favorites)

  In this lesson, students learn templates for performing stoichiometry problems. They then put the methods to the test with a practice worksheet.

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  Stoichiometry, Gas Laws | High School

  Lesson Plan: Mechanisms and Properties of Airbags Mark as Favorite (9 Favorites)

  In this lesson students will learn about the mechanisms and properties of airbags, and examine the choice of airbag inflator from several points of view.

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

  Lab: It's Alive Mark as Favorite (1 Favorite)

  In this lab, students will practice making and recording observations, analyzing data, and identifying chemical change. They will transfer dirt, germs, and bacteria from their hands onto a piece of white bread and observe the changes that occur during the following days. Students will analyze the results, make comparisons between clean and dirty samples of bread and learn about the importance of hand-cleaning.

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  Chemical Change, Exothermic & Endothermic | Elementary School, Middle School

  Demonstration: Giant Toothpaste Mark as Favorite (6 Favorites)

  In this demonstration, students will identify factors that indicate a chemical change has occurred while observing the production of giant toothpaste. This reaction uses simpler materials than those that are often used in the typical high school version of the Elephant’s toothpaste demonstration.

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  Classification of Reactions | High School

  Project: Classifying Reaction Types Mini Poster Mark as Favorite (21 Favorites)

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

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

  Lesson Plan: Counting Atoms & Balancing Equations Mark as Favorite (36 Favorites)

  In this lesson, students will learn how to count atoms and how to balance chemical equations using videos, simulations and games.

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

  Activity: Balancing Legos Mark as Favorite (21 Favorites)

  In this activity students use Legos to model the reactants and products in a chemical reaction. They use these “atoms” and “molecules” to balance the chemical reaction in order to demonstrate the law of conservation of matter.

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

  Lab: Chemical Reactions & Equations Mark as Favorite (11 Favorites)

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

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  Classification of Reactions | High School

  Lesson Plan: Geometric Equations Challenge Mark as Favorite (9 Favorites)

  In this lesson plan, students find patterns in the reactions between several geometric shapes and then learn about the five main types of reactions.

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  Activity Series, Classification of Reactions, Chemical Change | High School

  Lab: Investigating the Activity Series of Metals Mark as Favorite (21 Favorites)

  In this lab, students will create an activity series of metals and predict whether or not single replacement reactions are likely to occur.

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  Balancing Equations | High School, Middle School

  Activity: Snowman Challenge Mark as Favorite (15 Favorites)

  In this activity, students practice completing and balancing chemical equations with a partner.

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  Density, Combustion, Lab Safety | High School

  Demonstration: Density of Gases and Particle Diagrams Mark as Favorite (4 Favorites)

  In this demonstration, students will observe the teacher carry out two combustion reactions. First the teacher will burn a small sample of propane gas in a beaker. Next the teacher will burn a small sample of methane gas. Students will create particle diagrams in order support their explanation and model their observations as they improve their understanding of gas density.

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

  Lesson Plan: Old Rusty Mark as Favorite (1 Favorite)

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

  Lab: Priestley Labs Mark as Favorite (1 Favorite)

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

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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 (11 Favorites)

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

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

  Lesson Plan: Particles in Motion Mark as Favorite (2 Favorites)

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

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

  Lab: Apple's Oxidation Mark as Favorite (0 Favorites)

  In this lab students will learn about the chemical reaction, oxidation, using apple wedges. They will apply different substances to a number of apple wedges to determine if these applications have any impact on the oxidation process. Students will also use a control sample so that they compare their results with an apple wedge that has not had any substance added to it. Students will measure and record the time it takes to see the changes to the apple which indicate oxidation. 3-46

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  Chemical Change, Chemical Change, Observations, Acid Base Reactions, Chemical Change, Acid | Elementary School

  Lesson Plan: The Chemistry of Eggs Mark as Favorite (0 Favorites)

  In this lesson students will learn that vinegar can react with the Calcium in an egg shell to make it rubbery. First, the students will listen to the teacher read a book about eggs. The teacher will then put an egg in a jar with vinegar and let it set for two days. Students will make a prediction about what they think will happen to the egg, and then together they will investigate the final results.

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  Chemical Change, Exothermic & Endothermic, Chemical Change, Physical Change, Separating Mixtures | Elementary School

  Lab: Super Suds Mark as Favorite (2 Favorites)

  In this lab, students will investigate an endothermic chemical reaction by combining baking soda, hand soap and citric acid. The students will be tasked with differentiating between chemical and physical changes during this experiment.

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

  Demonstration: Comparing Chemical Reactions Mark as Favorite (2 Favorites)

  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.