101 – 125 of 664 Classroom Resources

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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.

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  Scientific Method, Experimental Design, Observations, Introduction, Graphing | Middle School, High School

  Lab: Applying the Scientific Method to Stain Removal Mark as Favorite (58 Favorites)

  In this lab, students will explore the real scientific process by designing an experiment to solve a problem. Students will learn about basic lab equipment, safety, and the scientific process of trial and error while solving a common problem: What color of food coloring requires the most bleach to remove?

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  Intermolecular Forces, Polarity, Molecular Geometry, Molecular Structure, Molecular Structure , Physical Properties, Chemical Properties, Physical Change | High School

  Lesson Plan: An Exploration of Intermolecular Forces Mark as Favorite (57 Favorites)

  In this lesson students will explore intermolecular forces, and their associated effect on physical and chemical properties. Students will experiment with volatile liquids to investigate their predictions about intermolecular strength.

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  Physical Properties, Molecular Structure, Polarity | High School, Middle School

  Activity: What Makes Water So Special? Mark as Favorite (56 Favorites)

  In this activity, students will become familiar with the special properties of water by completing several activities that investigate the following physical properties/phenomena: cohesion, adhesion, surface tension, and capillary action.

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  Periodic Table, Physical Properties, Identifying an Unknown, Ionization Energy, Atomic Radius, Electronegativity | High School

  Activity: Mendeleev's Periodic Table Mark as Favorite (56 Favorites)

  In this activity, students will use their knowledge of Periodic Trends to analyze and identify unknown elements and organize them correctly in the Periodic Table.

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  Titrations, Concentration, Acid Base Reactions, Indicators, Molarity, Interdisciplinary | High School

  Lab: Calculating Acid in Lemon-Lime Soda Mark as Favorite (55 Favorites)

  In this lab, students will investigate the molarity of citric acid in a clear, lemon-lime flavored soft drink through titrations with 0.10M NaOH and an indicator.

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  Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Net Ionic Equation, Concentration, Molarity, Precipitate, Solubility, Dimensional Analysis, Mole Concept, Observations, Graphing, Separating Mixtures, Identifying an Unknown | High School

  Lab: White Lab Mark as Favorite (55 Favorites)

  In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

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  Introduction, Lab Safety, Review | Middle School, High School

  Activity: Laboratory Equipment Bingo Mark as Favorite (54 Favorites)

  In this activity, students will play a Bingo game, crossing out the names of laboratory equipment on their Bingo card that corresponds to the pictures of equipment shown by the teacher. This will help students to identify common equipment found in a chemistry lab.

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  Separating Mixtures, Physical Change, Mixtures, Physical Properties, Experimental Design, Scientific Method, Error Analysis | High School, Middle School

  Lab: Separation of a Mixture Mark as Favorite (54 Favorites)

  In this lab, students devise their own method to separate a mixture of sand, salt, poppy seeds, and iron filings.

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  Titrations, Acid Base Reactions, Identifying an Unknown, Molarity | High School

  Lesson Plan: Investigating a Suspicious Drowning with Titrations Mark as Favorite (54 Favorites)

  In this lesson, students take on the role of a forensic chemist who is tasked with investigating a suspicious drowning incident. Students will conduct a series of titrations on an evidence sample of water collected from the victim's lungs as well as on several water samples from local water sources (lakes, rivers, wells, etc.) Based on their findings, they will determine where the victim actually drowned.

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  Measurements, Dimensional Analysis, Chemical Properties, Physical Properties, Chemical Change, Physical Change, Matter, Observations, Mixtures | Middle School, High School

  Activity: Cupcake Conversions, Bench to Bakery Mark as Favorite (53 Favorites)

  This activity will help to reinforce the importance of scientific measurement and apply it to the introduction of chemical reactions. Using an example of baking a single batch of cupcakes, students will plan for a larger production scale in a commercial bakery. This will help to introduce the idea of producing a reaction at the lab bench and converting it to mass production. In addition this activity investigates how chemistry is used in everyday life and challenges students to consider potentials errors that may occur when completing chemical reactions in the kitchen.

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  Physical Change, Distillation, Separating Mixtures, Mixtures, Conservation of Matter, Boiling Point, Phase Changes | High School

  Lab: Distillation of Common Soft Drinks Mark as Favorite (53 Favorites)

  In this lab, students will see the distillation procedure using a common soft drink and a simple equipment setup.

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  Solubility, Solute & Solvent, Precipitate, Mixtures, Error Analysis, Chemical Change, Physical Change, Observations, Identifying an Unknown, Graphing | Middle School, High School

  Lab: Chemicals, Chromatography, and Crime! Mark as Favorite (52 Favorites)

  In this lab, students will test “evidence” that has been collected from a crime scene. In order to determine if the victim was poisoned, students will perform a solubility and crystallization test on an unknown powder. Then, students will attempt to identify the culprit by using paper chromatography to analyze the lipstick from the potential criminals.

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  Measurements, SI Units, Accuracy, Introduction | High School

  Activity: Mysteriously Melodramatic & Maniacal Metric Measurements Mark as Favorite (52 Favorites)

  In this activity, students predict the measurements of objects using metric units. They then take the actual measurements and compare them to their predictions.

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  Molecular Structure, Lab Safety, Identifying an Unknown, Interdisciplinary | High School

  Lesson Plan: How Modern Instrumentation Revolutionized the Poison Game Mark as Favorite (51 Favorites)

  In this lesson, students are introduced to the world of Forensic Chemistry using the prologue of Deborah Blum’s The Poisoner’s Handbook. Discussion revolves around why murder by poison was so prevalent during the nineteenth and early twentieth centuries, and why it is so rare today.  Students create their own Safety Data Sheet on a poison of choice, and learn about how mass spectroscopy has helped revolutionize the modern analysis of toxins. 

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  Gas Laws, Pressure, Volume, Temperature, Kinetic Molecular Theory, Graphing | High School, Middle School

  Activity: Simulation Activity: Gas Laws Mark as Favorite (51 Favorites)

  In this simulation, students will investigate three of the fundamental gas laws, including Boyle’s Law, Charles’ Law and Gay-Lussac’s Law. Students will have the opportunity to visually examine the effect of changing the associated variables of pressure, volume, or temperature in each situation. Also, students will analyze the gas samples at the particle level as well as manipulate quantitative data in each scenario. Finally students will interpret trends in the data by examining the graph associated with each of the gas laws. This lesson accompanies the simulation from the November 2015 issue of Chemistry Solutions.

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  Atomic Theory, History, Interdisciplinary, Culminating Project, Model of the Atom | High School, Middle School

  Activity: Scientist Infographic Mark as Favorite (50 Favorites)

  In this activity, students will design and publish an infographic focused on a well-known scientist and their contribution to the development of the atomic model.

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  Limiting Reactant, Chemical Change, Conservation of Mass, Stoichiometry, Chemical Change, Observations, Conservation of Mass | High School

  Demonstration: Understanding Limiting Reactants Mark as Favorite (50 Favorites)

  In this demonstration, the teacher will perform a series of reactions between acetic acid (vinegar) and varying amounts of sodium bicarbonate (baking soda) in order to inflate several balloons. Students will observe the reactions and analyze the quantities of reactants used as well as the results in order to understand the concept of limiting reactants.

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

  Activity: The Disappearing Spoon Reading Questions Mark as Favorite (49 Favorites)

  In this activity, students will read a series of passages from the young readers edition of The Disappearing Spoon that are related to the elements in the AACT video series

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

  Simulation: What Type of Element Are You? Mark as Favorite (49 Favorites)

  In this simulation, students will take a nine question personality quiz to determine which of four types of elements best matches their personality. The accompanying student activity provides students an opportunity to reflect on why their answers led to their final quiz results and to consider what the "personality profile" of other types of elements not included in this quiz might look like.

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  Intermolecular Forces, Polarity, Molecular Motion, Intermolecular Forces, Molecular Motion, Physical Change | High School

  Simulation: Comparing Attractive Forces Mark as Favorite (49 Favorites)

  In the November 2014 issue, students explore the different attractive foreces between pairs of molecules by dragging the "star" image. In the accompanying activity, students investigate different types of intermolecular forces (London dispersion and dipole-dipole). In the analysis that follows the investigation, they relate IMFs (including hydrogen bonding) to physical properties (boiling point and solubility).

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  Measurements, Dimensional Analysis, Physical Change, Matter, Mixtures | Middle School, High School

  Activity: Cooking with Conversions Mark as Favorite (49 Favorites)

  In this activity, students will be given a common homemade recipe for German chocolate cake with measurements in English units. They will be asked to convert the English ingredients list to metric units through scientific calculations. Students will also be asked to identify the ingredients as solid, liquid or gas. While reviewing the cooking procedures, students will classify certain steps as containing compounds or mixtures as well as identify whether chemical or physical changes are taking place. The culinary chemistry involved in this lesson should be introduced throughout the activity.

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  Lab Safety | Elementary School, Middle School, High School

  Video: Video 1: Safety Mindset Mark as Favorite (49 Favorites)

  The chemistry lab is an amazing place! Through experiments and demonstrations your high school students have been discovering that chemistry is more than just a collection of facts and formulas-- it’s a way of observing and understanding the very real properties of matter all around them. However, the lab can also be a dangerous place. Contrary to what your students might have seen in films and TV, safety is a core value of chemistry—it is essential to everything they do in the lab. It begins with their mindset, the attitudes and beliefs they bring to class with them every day. Use this video to introduce your students to elements of safe importance of safety mindset in the chemistry lab.

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  Physical Properties, Covalent Bonding, Electronegativity, Polarity, Molecular Geometry, Intermolecular Forces, Solubility | Middle School, High School

  Activity: The Chemistry of Water Video Questions Mark as Favorite (48 Favorites)

  In this activity, students will watch a video and answer questions about how the molecular geometry and polarity of water give rise to many of its unusual physical properties, including its relatively high boiling point and its ability to dissolve some substances but not others.

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

  Lab: Chemical Reactions & Equations Mark as Favorite (48 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.