26 – 50 of 146 Classroom Resources

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  Significant Figures, Measurements, Beer's Law, Concentration, Molarity | High School

  Lab: Investigating Shades of Blue Mark as Favorite (12 Favorites)

  In this lab investigation, students will create a copper(II) nitrate solution. Each group will be given a different measurement device in order to see how the accuracy of the preparation of the solution is affected by the limitations of the measurement device. The goal is for students to have a true understanding of why significant figures are important.

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  Measurements, Accuracy, Dimensional Analysis, Significant Figures, SI Units | Middle School, High School

  Activity: Measurement Tools, Significant Figures and Conversions Mark as Favorite (59 Favorites)

  In this activity, students will complete several hands-on measurements, using a variety of common measuring tools. They will carefully consider how to properly report each measurement based on the tool used. Students will then complete measurement conversions, and apply their knowledge of significant figures.

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  Partial Pressure, Gas Laws, Ideal Gas, Pressure, Molar Mass, Measurements, Error Analysis | High School

  Lab: Molar Mass of Butane Mark as Favorite (15 Favorites)

  In this lab, students will experimentally determine the molar mass of butane using Dalton’s law and the ideal gas law. They will also calculate the percent error and explain possible sources of error.

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  Hess's Law, Calorimetry, Heat, Enthalpy, Error Analysis | High School

  Lab: Utilizing Hess's Law Mark as Favorite (37 Favorites)

  In this lab, students will use a coffee cup calorimeter to collect data that will allow them to calculate ∆H for two reactions. The first reaction, between sodium bicarbonate and hydrochloric acid is endothermic. The second, between sodium carbonate and hydrochloric pressure, is exothermic. They will then use their experimental values and Hess’s Law to determine ∆H for the decomposition of sodium bicarbonate, compare their calculated value to the theoretical value, and calculate the percent error. This resource includes a prelab presentation and sample calculations.

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  Atomic Radius, Scientific Notation, Measurements | Middle School, High School

  Activity: Powers of 10 - How Small Is an Atom? Mark as Favorite (25 Favorites)

  In this activity, students will use an online interactive to investigate the size of an atom, and compare the size of the atom to other objects using scientific notation.

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  Percent Composition, Ideal Gas | High School

  Lesson Plan: Investigating Popcorn with the Ideal Gas Law Mark as Favorite (30 Favorites)

  In this lab, students will collect data to determine the pressure inside a popcorn kernel when it pops using the Ideal Gas Law. They will also calculate the percentage of water present in the average popcorn kernel. This resource includes two versions of the student activity, traditional and inquiry.

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  Measurements, SI Units | Middle School

  Activity: Jumping the Metric System Mark as Favorite (5 Favorites)

  In this activity, students will become more familiar with using the metric system to convert units of measurement. Students then will then be challenged to redesign a school cafeteria tray using their understanding of metric system and unit conversion.

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  Introduction, Interdisciplinary, Experimental Design, Dimensional Analysis | High School

  Project: Food Chemistry Infographic Mark as Favorite (25 Favorites)

  In this project, students will research the chemical content and nutritional value of their favorite holiday foods, presenting their findings in an infographic. They will also include a recipe, which they will convert to metric units to practice dimensional analysis. As an extension to explore experimental design, they could alter one aspect of the recipe and observe how that change affects the final product.

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  Measurements, SI Units | Middle School

  Lesson Plan: Masters of Measurement Mark as Favorite (2 Favorites)

  In this lesson, students will review the characteristics of metric measurement, and practice using measurement tools. They will then take on the role of an intern on the Zombie Prevention Task Force and use their measurement skills to develop a vaccine in an escape room activity.

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  Molecular Structure, Intermolecular Forces, Measurements, SI Units | High School

  Activity: Designing an Effective Respiratory Cloth Mask Mark as Favorite (61 Favorites)

  In this activity students will use unit conversion to help compare sizes of molecules, viruses, and droplets and then use them to interpret graphical data. They will then use their findings to design a cloth mask that helps protect its wearer against infection by SARS-CoV-2, the coronavirus that causes COVID-19.

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  Measurements, Error Analysis, Scientific Notation, Density, Identifying an Unknown | Middle School

  Lab: A Chemistry Calculation Challenge Mark as Favorite (7 Favorites)

  Students will apply their knowledge to solve four challenging chemistry-based calculation problems involving mass, volume, density, and number of molecules.

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  Measurements, Error Analysis, Accuracy, Accuracy, Significant Figures, Error Analysis | Middle School, High School

  Lab: Accuracy, Precision, and Error in Measurements Mark as Favorite (28 Favorites)

  In this lab, students make measurements of length and width using four measuring tools. They will measure the same object using measuring sticks of different precision. They will observe that the exactness of a measurement is limited by the precision of the measuring instrument.

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  Measurements, Scientific Notation, Significant Figures, Subatomic Particles | High School

  Activity: Quantitatively Puzzling Mark as Favorite (35 Favorites)

  In this activity, students will analyze sixteen chemistry-based clues and use the numbers, zero through fifteen as possible answer choices for each one. The clues cover content related to measurement, scientific notation, significant digits, atomic structure and the periodic table.

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  Dimensional Analysis, Measurements | Middle School, High School

  Activity: Dimensional Analysis with Notecards Mark as Favorite (48 Favorites)

  In this activity, students will practice dimensional analysis using pre-made conversion factors on notecards to demonstrate the importance of canceling units to solve problems.

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  Mole Concept, History, Periodic Table | High School

  Activity: The Mole Crossword Puzzle Mark as Favorite (30 Favorites)

  In this activity, students will be challenged with clues that are related to the concept of the mole in order to complete a crossword puzzle.

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  Measurements, Dimensional Analysis | Middle School, High School

  Animation: Measurement Animation Mark as Favorite (19 Favorites)

  This animation explores three forms of measurement, including length, mass, and volume. Various units of measurement will be presented for comparison, and several conversion calculations will be demonstrated using dimensional analysis. This animation was featured in the May 2019 issue of Chemistry Solutions. **This video has no audio**

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  Stoichiometry, Gas Laws, Mole Concept | High School

  Lab: Investigating the Self-Inflating Balloon Mark as Favorite (46 Favorites)

  In this lab, students will investigate the chemical reaction used in the self-inflating balloon. They will apply their knowledge of gas laws and stoichiometry in order to determine the quantities of reactants used to inflate the balloon.

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  Partial Pressure, Gas Laws, Ideal Gas, Molar Mass, Pressure, Measurements, Error Analysis | High School

  Lab: Determination of the Molar Mass of Butane Mark as Favorite (6 Favorites)

  In this lab, students will experimentally determine the molar mass of a gas, specifically butane (C4H10), by collection over water. This experiment is an inquiry based experiment for 2nd year chemistry or AP chemistry students who have previously collected an insoluble gas.

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  Measurements, Dimensional Analysis | Middle School, High School

  Activity: Animation Activity: Measurement Mark as Favorite (21 Favorites)

  In this activity, students will view an animation that explores three forms of measurement, including length, mass, and volume. Various units of measurement will be presented for comparison, and several conversion calculations will be demonstrated using dimensional analysis.

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  Significant Figures, Measurements, SI Units | High School

  Activity: Investigating Significant Figures through Inquiry Mark as Favorite (59 Favorites)

  In this activity, students will develop an understanding of why significant figures are important in chemistry and learn how to determine the number of significant figures in a measurement.

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

  Activity: Cooking with Conversions Mark as Favorite (47 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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  Measurements, Dimensional Analysis | High School

  Activity: Unit Conversions and Scaling Up Mark as Favorite (21 Favorites)

  In this activity, students will convert between English and metric units in order to scale from research lab (small) scale to manufacturing (large) scale. Students will also apply critical thinking skills in order to analyze data given and evaluate cost effectiveness.

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  Stoichiometry, Dimensional Analysis, Mole Concept | High School

  Activity: A Stoichiometry Puzzle Mark as Favorite (122 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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  Stoichiometry, Balancing Equations, Classification of Reactions, Conservation of Mass, Limiting Reactant, Percent Yield, Dimensional Analysis | High School

  Lesson Plan: Stoichiometry Unit Plan Mark as Favorite (103 Favorites)

  The AACT high school classroom resource library has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the concepts of stoichiometry and limiting reactants to your students.