126 – 150 of 672 Classroom Resources

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

  Lab: Chemical Reactions & Equations Mark as Favorite (50 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.

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  Physical Properties, Chemical Properties, Physical Change, Chemical Change, Observations | High School

  Lab: Determining Physical and Chemical Properties Mark as Favorite (49 Favorites)

  In this lab, students will determine the physical and chemical properties of several different substances through testing and observation. Additionally, they will further their understanding of chemical and physical changes, and their ability to recognize each type of change.

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  Mole Concept, Measurements, History, Ideal Gas, Gas Laws | High School

  Video: Amedeo Avogadro Video Mark as Favorite (49 Favorites)

  This video tells the story of Amedeo Avogadro, the scientist given credit for the mole concept, but who discovered other things in chemistry too.

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  Heat, Temperature, Specific Heat, Law of Conservation of Energy, Enthalpy, Calorimetry, Exothermic & Endothermic, Balancing Equations, Chemical Change, Measurements, Mole Concept, Dimensional Analysis, Culminating Project, Interdisciplinary, Review, Graphing, Observations, Chemical Properties, Physical Properties | High School

  Project: Handwarmer Design Challenge Mark as Favorite (49 Favorites)

  In this project, students will use their knowledge of thermodynamics to design a handwarmer for a manufacturing company that can maintain a temperature of 30-40°C for at least 5 minutes and is designed for the average human hand. Students will create a final product after rounds of testing and an advertising poster that summarizes the results of their testing and promotes their design.

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  Density, Observations, Chemical Change, Physical Change, Balancing Equations, Chemical Change, Mixtures | High School

  Lab: The Lovely Lava Lamp Mark as Favorite (49 Favorites)

  In this lab, students add food coloring to a mixture of oil and water and record their observations. They then add an Alka-Seltzer tablet, record their observations and answer a series of questions about the chemical and physical changes that took place.

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  Scientific Method, Observations, Inferences, Intermolecular Forces, Mixtures | High School

  Lab: Magic Milk Mark as Favorite (48 Favorites)

  In this lab, students will investigate the addition of detergent to a mixture of whole milk and food coloring. Students will attempt to explain the cause of their observations. Also, students will have the opportunity to manipulate the experiment and determine how other variables may impact the results.

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  Periodic Table, History, Physical Properties, Chemical Properties, Subatomic Particles, Atomic Mass | Elementary School, Middle School, High School

  Activity: History of the Periodic Table Video Questions Mark as Favorite (47 Favorites)

  In this activity, students will answer questions while watching a video about how the periodic table was developed and learn about those who contributed to it.

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  Density, Concentration, Solute & Solvent | High School

  Lab: Test Tube Challenge Mark as Favorite (47 Favorites)

  In this lab, students will be challenged to create a density column, consisting of three distinct layers of sugar-water solution. This is an inquiry lab, where the students must apply their understanding of density and concentration in order to devise a successful plan for creating the column correctly.

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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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  Molecular Formula, Empirical Formula, History, Interdisciplinary | High School

  Activity: Herbal Remedies Mark as Favorite (46 Favorites)

  In this activity, students learn how the modern atomic theory evolved. They further their understanding of empirical and molecular formulas through research and a presentation of an herbal remedy.

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  Gas Laws, Kinetic Molecular Theory, Ideal Gas, Temperature, Volume, Pressure, Density, Density, Experimental Design, Scientific Method | High School, Middle School

  Activity: Hot Air Balloon Mark as Favorite (46 Favorites)

  In this activity, students use their knowledge of Charles’ law to build a hot air balloon and evaluate its design.

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  Chemical Change, Chemical Change, Acid Base Reactions, Observations | Middle School, High School

  Lab: How do Sinkholes Form? Mark as Favorite (45 Favorites)

  In this lab students will learn how acidic groundwater reacts with limestone, causing it to erode. Sinkholes form when eroded limestone underneath the surface of the earth can no longer support the ground above it. Students will test how acid reacts with a variety of rocks and determine which rocks would be best to build a city on top of in order to reduce the chance of sinkholes forming.

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  Density, Matter, Physical Properties, Measurements | Elementary School, Middle School, High School

  Animation: Density Animation Mark as Favorite (45 Favorites)

  This animation explores density on the particulate level. There are opportunities to make qualitative and quantitative comparisons between substances. **This video has no audio**

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  Review, Subatomic Particles, Ions, Isotopes, Electrons, Atomic Mass, Lewis Dot Diagrams, Model of the Atom, Balancing Equations | High School, Middle School

  Activity: Tic-Tac-Toe Review Mark as Favorite (45 Favorites)

  In this activity students collaborate to complete tic-tac-toe review questions to prepare for a test on the atomic structure unit. The idea behind the activity is to give students choice and you can read more about the inspiration for the activity in the May issue of Chemistry Solutions.

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  Activity Series, Balancing Equations, Predicting Products, Chemical Change, Chemical Change, Observations | High School

  Lab: Activity Series of Unknown Metals Mark as Favorite (45 Favorites)

  In this lab, students will create an activity series of metals from a series of reactions involving unknown metals. They will then compare their activity series and a list of metals used in this lab (supplied by the teacher after data collection) to a published activity series to identify the unknown metals.

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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 (45 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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  Elements, Periodic Table, Interdisciplinary, History, Atoms, Model of the Atom | Middle School, High School

  Project: Element Baby Book Mark as Favorite (44 Favorites)

  In this activity, students will “adopt” an element and create a baby book about their “new baby” while they research and learn about the element.

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

  Activity: Laboratory Equipment Memory Game Mark as Favorite (44 Favorites)

  In this activity, students will play a modified version of the classic Memory Game in order to help them identify common laboratory equipment by name. This activity provides an opportunity for students to increase their familiarity with the laboratory equipment that they will be expected to properly use.

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  Periodic Table, Elements, History, Subatomic Particles, Atomic Mass, Ionic Bonding, Covalent Bonding | Middle School, High School

  Project: Exploring Elements Mark as Favorite (44 Favorites)

  In this project, students will select an element and then use Ptable.com to explore aspects of the element including its periodicity, electron configuration, history, and uses in industry.

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

  Lab: Isotopes Make Cents Mark as Favorite (43 Favorites)

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

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  Concentration, Graphing, Electromagnetic Spectrum | High School

  Lesson Plan: Determining the Time of Death Mark as Favorite (43 Favorites)

  In this lesson, students will perform a flame test on a sample of vitreous humor (liquid found in the eyeball) in a forensic investigation. They will determine which element from the sample is used to determine the time of death. Then they will engineer a simple spectrophotometer to quantify that element. Evaluating a fake sample of vitreous humor in their spectrophotometer will help them determine the time of death for a hypothetical cadaver.

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  Solubility, Intermolecular Forces, Intermolecular Forces, Mixtures, Intramolecular Forces, Polarity, Observations, Physical Properties, Chemical Properties, Identifying an Unknown, Mixtures | High School

  Lab: Solubility & Compound Type Mark as Favorite (43 Favorites)

  In this lesson, students determine whether unknown substances are polar, nonpolar, or ionic by testing their solubilities.