601 – 625 of 664 Classroom Resources

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  Isotopes, Atomic Mass, Subatomic Particles, Experimental Design | High School

  Lab: Isotopes Make Cents Mark as Favorite (39 Favorites)

  In this lab, students use a sample of pennies to mimic how average atomic mass is calculated.

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  Reaction Rate, Experimental Design, Scientific Method, Observations, Chemical Change | High School, Middle School

  Lab: Reaction Rate Mark as Favorite (25 Favorites)

  In this lab, students will explore factors that effect reaction rate and develop a general statement that describes how the factors (temperature, particle size, and concentration) effect the rate based on experimental data. This is an inquiry-based activity.

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  Limiting Reactant, Stoichiometry, Dimensional Analysis, Mole Concept, Scientific Method | High School

  Lab: Limiting Reactants in Brownies Mark as Favorite (24 Favorites)

  In this lesson, students will investigate the idea of limiting reactant using a brownie recipe.

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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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  Half Lives, Graphing | High School

  Lab: Twizzler Half-Life Mark as Favorite (47 Favorites)

  In this lab, students will better understand the concept of half-lives.

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  Gas Laws, Pressure, Ideal Gas, Volume, Graphing, Physical Properties, Error Analysis | High School

  Lab: Boyle's Law Mark as Favorite (6 Favorites)

  In this lab, students stack books on top of a closed syringe and use the volume change to determine the mass of the books.

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  Phase Changes, Sublimation, Physical Change, Density, Observations, Temperature | Middle School

  Lesson Plan: Dry Ice Mark as Favorite (0 Favorites)

  In this lesson, students will investigate how dry ice undergoes a phase change from solid to gas, skipping the liquid phase under normal temperature and pressure.

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  Introduction, Interdisciplinary | High School

  Lesson Plan: How To Write a Formal Lab Mark as Favorite (24 Favorites)

  In this lesson, students learn how to put the parts of a formal lab write up together.

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  Chemical Change, Density, Classification of Reactions, Balancing Equations, Observations, Chemical Change | High School

  Demonstration: Preparation of Hydrogen Mark as Favorite (2 Favorites)

  In this demo, students witness a single displacement reaction between zinc and sulfuric acid that produces hydrogen gas. The gas is collected via water displacement and ignited.

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  Conservation of Mass, Chemical Change, Chemical Change, Observations | High School, Middle School

  Lab: Conservation of Mass Mark as Favorite (6 Favorites)

  In this lab, students perform three simple experiments, recording the mass of a substance before and after a reaction. They then explain how the law of conservation of mass was not violated, even if the mass changed.

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  Identifying an Unknown, Culminating Project, Classification of Reactions, Experimental Design, Scientific Method, Interdisciplinary, Review, Balancing Equations, Stoichiometry, Concentration, Molarity | High School

  Lab: The Culminating Unknown Mark as Favorite (35 Favorites)

  In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

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  Accuracy, Measurements, Error Analysis, Accuracy, Error Analysis | High School

  Lab: Glassware Accuracy Mark as Favorite (72 Favorites)

  In this lab, students use different types of laboratory glassware to measure 50 mL of water and determine the accuracy of each piece of glassware.

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  Dimensional Analysis, Significant Figures, Measurements, Error Analysis, Accuracy, Interdisciplinary | High School

  Lab: Nanoscale and Self-Assembly Mark as Favorite (10 Favorites)

  In this lab, students determine both the diameter of one single BB and the length of an oleic acid molecule.

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  Separating Mixtures, Observations, Physical Change, Mixtures, Physical Properties | High School

  Lab: Distillation Mark as Favorite (16 Favorites)

  In this lab, students complete a simple distillation lab separating water from cinnamon and food coloring.

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  Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental Design | High School

  Lab: Launching Rockets Mark as Favorite (77 Favorites)

  In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

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  Reversible Reactions, Observations, Chemical Change, Physical Change | High School

  Lab: Breath Test Mark as Favorite (7 Favorites)

  In this lab, students investigate whether chemical reactions can happen only in one direction, or whether they can be "undone."

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  Kinetic Molecular Theory, Ideal Gas, Gas Laws, Volume, Temperature, Graphing, Accuracy, Error Analysis | High School

  Lab: Finding Absolute Zero Mark as Favorite (17 Favorites)

  In this lab, students will experimentally determine the value for absolute zero in degrees Celsius.

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  Observations, Inferences, Scientific Method | High School

  Demonstration: Observations vs. Inferences Mark as Favorite (5 Favorites)

  In this demonstration, students will learn the the difference between observation and inferences.

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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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  Observations, Scientific Method, Experimental Design, Error Analysis | High School

  Lab: Airplanes Mark as Favorite (6 Favorites)

  In this lab, students will design a procedure to test for the intended outcome of a longest flight.

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  Calorimetry, Specific Heat, Identifying an Unknown | High School

  Lab: The Search for a Hit and Run Suspect Mark as Favorite (96 Favorites)

  In this lab, students will determine the specific heat capacity of multiple unknown metal samples through collecting data and completing calorimetric calculations. Students will take on the role of a forensic investigator and use their results to help them determine if a suspect’s vehicle was potentially involved in a hit and run incident.

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

  Video: Manganese Video Mark as Favorite (5 Favorites)

  In this video, Sam Kean tells stories about manganese.

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  Chemical Change, Classification of Reactions, Oxidation, Reduction, Redox Reaction, Electrons, Electron Transfer, Observations, Inferences, Chemical Change | Middle School

  Lesson Plan: One Tube Reaction Mark as Favorite (5 Favorites)

  In this lesson, students will observe a chemical change involving oxidation and reduction.

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  Dimensional Analysis, Mole Concept, Measurements, Density, Identifying an Unknown, Molar Mass | High School

  Lab: Chemistry Composition Challenge Mark as Favorite (119 Favorites)

  In this inquiry based lab, students will design a method to solve three chemistry problems involving moles, molecules, and density.

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  Interdisciplinary, Culminating Project | High School

  Activity: Chemistry Close Read Mark as Favorite (76 Favorites)

  In this activity, students will learn through actively reading real-world chemistry articles. The close-read strategy is used as a way of enhancing student understanding and engagement by slowing down the reading process without detracting from the current curriculum.