176 – 200 of 308 Classroom Resources

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  Indicators, Chemical Properties | Middle School

  Lab: Acid & Base Mark as Favorite (0 Favorites)

  In this lab, students are given four unknown liquids and must identify whether they are acids or bases.

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  Percent Composition, Scientific Method, Introduction, Percent Composition | Middle School

  Lab: Mass Percent Mark as Favorite (2 Favorites)

  In this lesson, students will develop a theory of how to calculate percent composition.

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  Solute & Solvent, Physical Change, Solubility | Middle School, High School

  Lab: Chemistree Mark as Favorite (18 Favorites)

  In this lab, students will prepare a solution to observe a physical change.

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  Identifying an Unknown, Chemical Properties, Solute & Solvent, Mixtures | Middle School, High School

  Lab: Local Water Analysis Mark as Favorite (23 Favorites)

  In this lab, students use simple pool test strips to collect water samples from local water sources, such as area faucets, pools, lakes, rivers, puddles, etc. They will compile all of the collected data to allow students to collectively make observations and ask testable questions. After determining a question of interest, groups of students will organize the related data, research relevant background information, form reasonable conclusions, and present their arguments.

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  Periodic Table, Density, Elements, Atomic Mass, Atomic Radius, Electronegativity | Middle School, High School

  Activity: Organizing the Periodic Table Mark as Favorite (91 Favorites)

  In this activity, students are challenged to organize elements into the shape of the periodic table based on trends in data. Students are given a set of cards, each card representing an element, and containing five data points for consideration. The data that students will analyze includes atomic mass, atomic radius, melting point, density and electronegativity.

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  Interdisciplinary, Graphing | Middle School, High School

  Simulation: Graphing Mark as Favorite (70 Favorites)

  In this simulation, students will be introduced to good graphing techniques and how to interpret data presented in a graph. They are introduced to the TAILS acronym (Title, Axes, Intervals, Labels, Scale) to help them remember how to set up a graph and the concepts of line of best fit, positive and negative correlation, and interpolating and extrapolating. Then students complete a six-question quiz on these topics.

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  Molecular Formula, Ionic Bonding, Covalent Bonding, Molecular Geometry, Naming Compounds, Lewis Structures, Periodic Table, Valence Electrons, Lewis Dot Diagrams, Ions, Subatomic Particles | High School, Middle School

  Simulation: Ionic & Covalent Bonding Mark as Favorite (165 Favorites)

  In the September 2016 simulation, students investigate both ionic and covalent bonding. Students will have the opportunity to interact with many possible combinations of atoms and will be tasked with determining the type of bond and the number of atom needed to form each. Students will become familiar with the molecular formula, as well as the naming system for each type of bond and geometric shape, when applicable.

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  Molecular Motion, Density, Physical Properties, Density, Gas Laws, Ideal Gas, Temperature, Pressure, Volume | Middle School, High School

  Simulation: Density Mark as Favorite (14 Favorites)

  The simulation for the September 2015 issue allows students to investigate the effect of changing variables on both the volume and the density of a solid, a liquid, and a gas sample. Students will analyze the different states of matter at the particle level as well as quantitatively.

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  Colligative Properties, Boiling Point Elevation, Freezing Point Depression, Concentration, Solute & Solvent, Boiling Point, Freezing Point, Phase Changes, Molecular Motion, Graphing, Physical Properties, Heat, Temperature | Middle School, High School

  Activity: Simulation Activity: The Effect of Solutes on Boiling and Freezing Point Mark as Favorite (43 Favorites)

  In this activity, students will use a colligative properties simulation to investigate the effects of different solutes, and different amounts of those solutes, on the boiling point and freezing point of a solution. Students will see particle-level animations of boiling and freezing with different types and amounts of solutes, as well as graphical representations of the results of each trial.

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  Interdisciplinary, Polymers | Middle School, High School

  Activity: Puzzling, Twisted Fibers Mark as Favorite (4 Favorites)

  In this activity, students will attempt to solve clues related to the chemistry of fabrics. Starting at the center of the maze, students will fill in each word suggested by the 20 given clues. Answering each clue correctly will help students solve the riddle provided at the end of the activity. This puzzle can be used in the classroom as part of the Fabulous Fibers theme celebration for 2022 National Chemistry Week.

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  Electromagnetic Spectrum, Identifying an Unknown | Middle School, High School

  Video: Color Matching Paint Video Mark as Favorite (13 Favorites)

  This video explains how technology, specifically focusing on spectrophotometry, can be used for paint matching. Students will learn how the spectrophotometer interacts with the spectrum of visible light in order to match or reproduce specific paint colors.

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  Molecular Motion, Heat, Phase Changes, Melting Point, Heating Curve, Freezing Point, Temperature, Graphing | High School, Middle School

  Lesson Plan: Modeling the Melting of Ice Mark as Favorite (34 Favorites)

  In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a phase change.

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  Interdisciplinary | Elementary School, Middle School

  Activity: Discovering Entomology Mark as Favorite (0 Favorites)

  In this activity, students will first work in small groups on a card sort aimed to activate their prior knowledge about insects and attempt to match the name of several common insects with a corresponding scientific fact. Students will then watch a short video while answering several questions to discover more about the field of entomology.

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  Periodic Table, Review, Elements, Subatomic Particles, Model of the Atom, Atomic Mass | Elementary School, Middle School

  Activity: Periodic Table Challenge Game Mark as Favorite (23 Favorites)

  In this activity, students will play an online game that quizzes their knowledge about the atomic structure of the first 20 elements on the periodic table. Students will be asked to identify different elements based on information related to subatomic particles, placement on the periodic table or from a provided Bohr model. This game has several options for students to choose from, and can be used to review content, or as a formative assessment.

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  Model of the Atom, Atoms, Subatomic Particles, Electrons, Valence Electrons, Lewis Dot Diagrams, Electron Configuration, Physical Properties | Middle School, High School

  Project: Atomic Holiday Ornaments Mark as Favorite (41 Favorites)

  In this project, students will design an atomic holiday ornament for a chosen element, along with a certificate of authenticity to display on a “Chemis-tree”. Students will also have the opportunity to vote on the ornaments created by their classmates.

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  Review | Middle School, High School

  Activity: Vocabulary Learning Made Simple Mark as Favorite (6 Favorites)

  In this activity, students write definitions for vocabulary words using only the 1000 most common English words. Then students interact with the simplified definitions in order to try to guess the vocabulary words correctly.

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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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  Lab Safety, Chemical Properties, Physical Properties | Middle School, High School

  Activity: ACS Chemical Safety Video Questions Mark as Favorite (19 Favorites)

  In this activity, students will learn about safety, a core value of chemistry, through watching related videos produced by the American Chemical Society, Students will complete guided notes and questions during the activity. This chemical safety video series includes five videos: Safety Mindset, Safety Data Sheets, How to Dress for the Lab, and PPE, Preparing for Emergencies, and RAMP (Recognize hazards, Assess risks, Minimize risks, Prepare for emergencies).

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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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  Separating Mixtures, Physical Properties, Mixtures | Middle School, High School

  Lab: Mixture Separation Challenge Mark as Favorite (25 Favorites)

  In this lab, students investigate the composition of a given mixture. Using their content knowledge and a variety of provided materials, students are tasked with separating the mixture into its individual components.

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  Lab Safety | Middle School, High School

  Demonstration: Why Do We Have to Wear Goggles? Mark as Favorite (23 Favorites)

  In this simple demonstration, students will observe a reaction between an acid and an egg white and learn why is important to wear safety goggles in the lab. The reaction is similar to the damage that can be done to your eye if acid comes in contact with it.

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  Lab Safety | Elementary School, Middle School, High School

  Video: Video 5: RAMP (For Students) Mark as Favorite (19 Favorites)

  Use this video to teach your students a simple yet powerful tool for protecting you and your classmates in the lab. The tool is called RAMP. RAMP stands for: Recognize hazards; Assess risks; Minimize risks and Prepare for emergencies.

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

  Lab: Comparing Physical and Chemical Changes Mark as Favorite (13 Favorites)

  In this lab, students will analyze different scenarios in order to determine if a physical or chemical change has occurred. This lab experience will provide students with the opportunity to record observations, as well as improve their ability to differentiate between physical and chemical changes.

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  Heat, Specific Heat, Temperature, Experimental Design, Scientific Method, Physical Properties | High School, Middle School

  Lesson Plan: Designing & Engineering a Fast Defroster Mark as Favorite (13 Favorites)

  In this activity students use their understanding of energy transfer to “design a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations.”  And “evaluate a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations.”  The real world problem is to help a cook who is trying to make a meal, but realizes some of the ingredients are frozen and must be thawed before he can begin.

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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.