476 – 500 of 522 Classroom Resources

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  Reaction Rate, Order of Reaction , Graphing | High School

  Lab: Kinetic Approach to Water Flow Mark as Favorite (10 Favorites)

  This lab uses the principles of chemical kinetics without using a chemical reaction. It’s an effective means to introduce the important relationship between concentration and time at an introductory level. Students will have the opportunity to analyze data and make important connections through graphing their data.

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  Gas Laws, Molar Mass, Density, Temperature, Pressure, Volume, Ideal Gas, Physical Change, Observations, Density, Identifying an Unknown, Error Analysis | High School

  Lab: Molar Mass of Dry Ice Mark as Favorite (14 Favorites)

  In this lab, students will use gas laws to calculate the molar mass of dry ice and then use the information to identify the compound that makes up this substance.

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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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  Density, Pressure, Temperature, Volume, Density, Error Analysis, Error Analysis, Measurements | High School

  Lab: Gas Density and Relative Molecular Mass Mark as Favorite (3 Favorites)

  In this lab, students will quantitatively determine the densities of four gases.

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  Density, Density, Observations, Inferences | High School, Middle School

  Demonstration: Qualitative Look at Gas Density Mark as Favorite (6 Favorites)

  In this demo, students witness three types of gases and observe their relative densities to air.

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  Conservation of Mass, Matter, Conservation of Matter, Conservation of Matter, Conservation of Mass, Balancing Equations, Chemical Change, Predicting Products, Experimental Design, Chemical Change, Observations | High School

  Lab: Matter Matters Mark as Favorite (20 Favorites)

  In this lesson, students will investigate the Law of Conservation of Mass.

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  Physical Change, Mixtures, Observations | High School, Middle School

  Activity: Magic Bubble Mark as Favorite (7 Favorites)

  In this lesson, students will create and interpret particle diagrams that represent elements and compounds at the molecular level. They will also describe the process of dissolving and create particle diagrams that represent mixtures at the molecular level.

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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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  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.