76 – 100 of 664 Classroom Resources

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  Intermolecular Forces, Intermolecular Forces, Physical Change | High School

  Demonstration: Intermolecular Forces & Physical Properties Mark as Favorite (70 Favorites)

  In this demonstration, students observe and compare the properties of surface tension, beading, evaporation, and miscibility for water and acetone.

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  Atomic Theory, Electrons, Model of the Atom, Subatomic Particles, History | Elementary School, Middle School, High School

  Video: Niels Bohr Video Mark as Favorite (69 Favorites)

  This video tells the story of Niels Bohr, a great scientist who redefined how we think about atoms and the electron. Bohr’s model of the atom helped to advance understanding of subatomic particles, and holds an important place in the history and development of the atomic theory.

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  Atomic Mass, Atomic Theory, Model of the Atom, Subatomic Particles, Periodic Table, History | Elementary School, Middle School, High School

  Video: Dimitri Mendeleev Video Mark as Favorite (69 Favorites)

  This video tells the story of how Dimitri Mendeleev organized the periodic table, even leaving gaps to be filled in with elements that weren't yet discovered.

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  Periodic Table, Elements, Review, Atomic Radius, Ions, Ionization Energy, Atomic Mass | High School

  Activity: Reviewing the Periodic Table and Periodic Trends Mark as Favorite (68 Favorites)

  In this activity, students will use their knowledge of the periodic table and periodic trends to add fictional elements to a periodic table based on their properties. Once the elements are in the correct place they will reveal a hidden message. This review activity will help students prepare for a summative assessment such as a unit test or final exam.

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  Physical Change, Chemical Change, Observations, Chemical Change, Radioactive Isotopes | High School

  Activity: Physical, Chemical and Nuclear Changes Mark as Favorite (67 Favorites)

  In this activity, students will analyze the representation of physical, chemical, and nuclear changes in four ways: submicroscopic (particle diagrams), symbolic (equations), macroscopic (observations), and linguistic (vocabulary words). This self-guided activity is designed to ensure that students internalize fundamental chemistry concepts that will serve as a meaningful basis for future learning about matter and its changes.

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  Exothermic & Endothermic, Specific Heat, Density, Phase Changes | High School

  Lab: Chemistry is Cooler Stress Test Challenge Mark as Favorite (66 Favorites)

  In this lab, students will design and build a device capable of insulating an ice cube submerged in boiling water for two minutes. In this open-ended inquiry based activity, students will be required to critically think about structure and function of the materials they wish to use to build a device to solve a complex real-world problem. Students must consider the thermal properties of the materials, density, and the need to form a non-permeable barrier between the ice cube and the boiling water.

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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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  Review, Culminating Project, Stoichiometry | High School

  Activity: The Chemistry Escape Room Remix Mark as Favorite (63 Favorites)

  In this activity, students will apply their chemistry knowledge in order to solve ten clues in an effort to determine a three-digit combination that will open a “lock.” This is ideal for a review activity, as the clues span a plethora of chemistry topics. The solution from each clue will be used to correctly write a chemical reaction and a corresponding stoichiometry calculation. Ultimately, by solving the stoichiometry calculation, the answer will match the numbers in the three-digit combination and open the “lock.”

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  Model of the Atom, Periodic Table, Subatomic Particles, Electrons, Valence Electrons, Ions | High School, Middle School

  Lab: Sweet Model of the Atom Mark as Favorite (63 Favorites)

  In this lesson, students will use different candies to represent electrons, protons, and neutrons to gain a better understanding of atoms, ions, and isotopes.

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  Mole Concept, Dimensional Analysis, Density | High School

  Lab: Moles of Food Mark as Favorite (63 Favorites)

  In this lab, students will analyze the nutrition label of a variety of foods to find the amount of specific elements in each serving. Students are asked to evaluate and compare the data in a series of questions, in order to convert the values to moles. This lab gives students the opportunity to see the connection between the chemistry mole concept and everyday foods.

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  Periodic Table, Interdisciplinary | High School

  Project: Repurpose the Periodic Table Mark as Favorite (63 Favorites)

  In this project, students will take the principles governing the organization of the periodic table and apply them to a periodic table of their own creation. Students will choose a category of objects and organize them into a “periodic table,” establishing trends across a period and within a group and creating a poster to present their table to the class.

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  Radioactive Isotopes, Half Lives, Subatomic Particles, Periodic Table | High School

  Activity: Why are Some Isotopes Radioactive? Mark as Favorite (63 Favorites)

  In this activity, students use periodic trends and data to make predictions about what makes an isotope radioactive. They will then verify or refine their predictions using a PhET simulation.

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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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  Introduction, Lab Safety, Chemical Properties, Physical Properties, Chemical Change, Physical Change, History, Separating Mixtures, Elements, Mixtures, Density, Measurements, SI Units, Significant Figures, Dimensional Analysis, Scientific Notation, Accuracy, Molecular Motion, Phase Changes | High School

  Lesson Plan: The Chemistry Basics and Measurement Quick Start Unit Plan Mark as Favorite (63 Favorites)

  This Quick Start Unit Plan includes all the materials that a teacher will need for the first 10 class meetings of the school year. Each day is outlined with teacher notes, and includes slide presentations as well as directions for demonstrations, activities and labs to use. The fundamental topics covered in the 10 days of lessons are: laboratory safety, laboratory equipment, experimental design, classification of matter, chemical properties, physical properties, chemical change, physical change, phase changes, separation techniques, dimensional analysis, unit conversions, factor label method, accuracy, precision, significant figures, and percent error calculations. This Quick Start Unit plan aims to help students to build a foundation of understanding, and master important topics before moving deeper into the chemistry curriculum.

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  Temperature, Molecular Motion, Observations, Inferences | High School, Middle School

  Demonstration: What is Temperature? Mark as Favorite (62 Favorites)

  In this demonstration, students will observe food dye mixing with water at different temperatures.

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  Isotopes, Atoms, Electrons, Subatomic Particles, Elements, History, Introduction, Review, Alpha/Beta/Gamma Decay, Radioactive Isotopes | Middle School, High School

  Activity: What are Isotopes? Video Questions Mark as Favorite (62 Favorites)

  In this activity, students will watch a video and answer questions about isotopes. They will learn about the discovery of isotopes, the difference between chemical and nuclear reactions, different kinds of radioactive decay, and some uses of radioactive isotopes.

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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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  Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School

  Activity: Ionic Bonding Brackets Mark as Favorite (62 Favorites)

  In this lesson, students will demonstrate their knowledge of ionic bond strength and its relationship to the properties of melting point and solubility using a “brackets” activity. After analyzing the ionic charge and radius to predict the strongest and weakest bond between four pairs of ionic substances, they will then determine which will be the least soluble.

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  Periodic Table, Elements, History | Middle School, High School

  Activity: The Disappearing Spoon Video Questions Mark as Favorite (61 Favorites)

  In this activity, students will watch videos from the AACT original video series, Sam Kean’s Disappearing Spoon. While watching a video, students will answer several questions related to the particular element of focus.

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  Chemical Properties, Physical Properties, Chemical Change, Physical Change, Chemical Change, Culminating Project, Mixtures, Molecular Structure | High School

  Project: Analyze a Family Recipe Mark as Favorite (61 Favorites)

  In this project, students will select a family recipe, or a favorite recipe to investigate. They will analyze several of the ingredients in order learn more about the chemistry of each one, as well as their purpose in the recipe. Additionally, students will examine several ingredient interactions to learn more about the chemistry of cooking.

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  Atomic Spectra, Activity Series, Emission Spectrum, Ions, Electromagnetic Spectrum, Emission Spectrum, Observations, Inferences | High School

  Lab: Flame Test: Going Further Mark as Favorite (61 Favorites)

  In this lab, students will investigate the colors produced when several mixtures of metallic ions are placed in a flame.

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  Intermolecular Forces, Polarity, Covalent Bonding, Lewis Structures, Molecular Geometry, Physical Properties | High School

  Activity: Simulation Activity: Intermolecular Forces Mark as Favorite (61 Favorites)

  In this simulation, students will review the three major types of intermolecular forces – London dispersion forces, dipole-dipole interactions, and hydrogen bonding – through short video clips and accompanying text. They will then answer quiz questions using the relative strengths of these forces to compare different substances given their name, formula, and Lewis structure, and put them in order based on the strength of their intermolecular forces, their boiling point, or their vapor pressure. The simulation is designed as a five question quiz for students to use multiple times.

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  Molecular Structure, Intermolecular Forces, Ionic Bonding, Covalent Bonding, Metallic Bonding, Polarity, Intramolecular Forces, Chemical Properties, Physical Properties, Interdisciplinary, Culminating Project | High School

  Project: Problem-Solving with Materials Mark as Favorite (59 Favorites)

  In this project, students will develop a presentation to explain how and why a specific material can solve a problem. The explanation will involve researching the properties of the material and how its properties are suited for solving a specific problem.

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  Heat, Temperature, Specific Heat, Observations, Molecular Motion | High School, Middle School

  Activity: What Makes Something Feel Warm Mark as Favorite (58 Favorites)

  In this lesson students actively engage in thinking about energy issues in chemistry and the nature of energy (thermal) transfer. The idea that temperature is a measure of heat content will be challenged, and students will be given the opportunity to collect data that will allow them to clearly see that different materials transfer energy at different rates.

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  Percent Composition, Identifying an Unknown, Net Ionic Equation, Stoichiometry, Error Analysis, Molar Mass | High School

  Lab: Analysis of Carbonate Compounds Mark as Favorite (58 Favorites)

  In this lab, students calculate the molar masses of three unknown carbonate compounds by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.