426 – 450 of 515 Classroom Resources

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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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  Precipitate, Reactions & Stoichiometry, Solubility Rules, Balancing Equations, Chemical Change, Chemical Change | High School, Middle School

  Lab: Predicting Precipitates Mark as Favorite (27 Favorites)

  In this lab, students use solubility rules to predict which chemical reactions will produce precipitates.

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

  Activity: Element Skit Mark as Favorite (9 Favorites)

  In this activity, students will become familiar with the periodic table by creating a skit to explain an element’s symbol, atomic number, and atomic mass.

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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 (40 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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  Electrostatic Forces, Subatomic Particles, Electrons, Electricity, Electrons, Graphing | High School

  Lab: Electromagnetic Forces in the Atom Mark as Favorite (2 Favorites)

  In this lab, students will better understand that opposite charges attract each other, and like charges repel.

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  Sublimation, Density, Observations | High School, Middle School

  Lab: Dry Ice (High School) Mark as Favorite (30 Favorites)

  In this lab, students perform several small experiments using dry ice and record their observations.

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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 (51 Favorites)

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

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

  Lab: Distillation Mark as Favorite (15 Favorites)

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

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  Physical Change, Physical Properties, Review, Mixtures, Separating Mixtures, Distillation, Sublimation, Phase Changes, Boiling Point, Gas Laws, Temperature, Volume, Pressure | High School

  Activity: Physical Properties Mark as Favorite (9 Favorites)

  In this activity, students will play a game to review topics relating to physical properties of matter, including mixtures, states of matter, and gas laws. They will be prompted with questions in a PowerPoint and they will use white boards to communicate their answers.

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  Intermolecular Forces, Solubility, Intermolecular Forces, Intramolecular Forces, Polarity, Lewis Structures, Molecular Structure, Solute & Solvent, Mixtures, Melting Point, Freezing Point, Boiling Point, Physical Properties, Graphing, Mixtures | High School

  Lab: Physical Properties (High School) Mark as Favorite (28 Favorites)

  In this lesson, students investigate how intermolecular forces effect physical properties by investigating substances’ melting points as well as solubility.

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  Heat, Specific Heat, Temperature, Experimental Design, Scientific Method, Physical Properties | High School, Middle School

  Lesson Plan: Designing & Engineering a Fast Defroster Mark as Favorite (12 Favorites)

  In this activity students use their understanding of energy transfer to “design a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations.”  And “evaluate a solution to a complex real-world problem, based on scientific knowledge, student-generated sources of evidence, prioritized criteria, and tradeoff considerations.”  The real world problem is to help a cook who is trying to make a meal, but realizes some of the ingredients are frozen and must be thawed before he can begin.

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  Atomic Radius, Electron Affinity, Ionization Energy, Periodic Table | High School

  Activity: Periodic Trends Investigation Mark as Favorite (100 Favorites)

  In this activity, students investigate trends in atomic radius, electron affinity, and ionization energy using an online interactive periodic table.

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  Electron Affinity, Atomic Radius, Ionic Radius, Periodic Table, Ions, Atoms, Model of the Atom, Subatomic Particles, Electrons, Valence Electrons | High School

  Activity: Periodic Trends II: Electron Affinity, Atomic Radius, & Ionic Radius Mark as Favorite (81 Favorites)

  In this simulation, students will focus their investigation on the electron affinity of an atom. Through the use of this simulation students will have the opportunity to examine the formation of an anion as well as compare the atomic radius of a neutral atom to the ionic radius of its anion.

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  Density, Error Analysis, Accuracy, Identifying an Unknown, Physical Properties, Accuracy, Error Analysis, Measurements, Significant Figures | High School, Middle School

  Lab: Determining the Density of Liquids and Solids Mark as Favorite (38 Favorites)

  In this lab, students will experimentally determine the density of several liquids and solids from mass and volume measurements. They will then identify an unknown metal by comparing its density to that of known metals and calculate the percent error within the class for a specific sample.

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  Atomic Radius, Ionic Radius, Ionization Energy, Valence Electrons, Periodic Table, Electrons, Subatomic Particles, Ions, Model of the Atom, Atoms | High School

  Activity: Periodic Trends I: Ionization Energy, Atomic Radius & Ionic Radius Mark as Favorite (167 Favorites)

  In this simulation, students will investigate several periodic trends, including atomic radius, ionization energy and ionic radius. Through the use of this simulation students will have the opportunity to examine atomic data as well as visually compare and interact with select elements from the periodic table.

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  Lab Safety, Culminating Project, Interdisciplinary | High School, Middle School

  Activity: Dangerous Goods Specialist Mark as Favorite (29 Favorites)

  In this activity, students will take on the role of a Dangerous Goods Specialist for a large chemical company. In this role, students will research a specific commercially available industrial chemical looking at both the properties of the compound as well as how can they safely ship the chemical to a buyer in a cost effective and timely manner.

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  Periodic Table, Elements, Matter, Physical Properties, Chemical Properties, Observations, Identifying an Unknown | High School, Middle School

  Lab: Periodic Table Trends Mark as Favorite (30 Favorites)

  In this lab, students will investigate trends of the periodic table by examining samples of six elements. Students will use observations about the elements’ appearance, conductivity, and malleability to determine whether they are metals, nonmetals, or metalloids. They will also see how these elements, as well as two more in a teacher demo, react with water and use this information to make claims about reactivity patterns in the periodic table.

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  Elements, Model of the Atom, Periodic Table, Introduction, Atoms, Electrons | Middle School, High School

  Activity: Periodic Puzzler Mark as Favorite (8 Favorites)

  In this activity, students will learn about what makes up an atom and how important protons are in the placement of elements on the periodic table.

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

  Lab: Corrosion in Motion Mark as Favorite (6 Favorites)

  In this lab, students will expose metal samples to various solutions and observe the amount of corrosion of a period of time.

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  Calorimetry, Exothermic & Endothermic, Heat, Specific Heat, Temperature, Scientific Method, Graphing, Experimental Design | High School

  Lab: Cool Science: Building and Testing a Model Radiator Mark as Favorite (19 Favorites)

  In this lab students construct a model of a car radiator to investigate parameters that lead to efficient cooling. Students investigate multiple variables as they experiment with various radiator designs. This lesson focuses on thermochemistry calculations and engineering practices.

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  Ionic Bonding, Naming Compounds, Intramolecular Forces, Ions, Electrostatic Forces, Polyatomic Ions | High School

  Activity: Constructing Ionic Compounds Mark as Favorite (110 Favorites)

  In this activity, students will use cards of different size and color as models for different types of ions. They will use the cards to construct ionic compounds by balancing the charges on cations and anions. Students will be able to write formulas and names for ionic compounds.

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  Exothermic & Endothermic, Physical Change, Heat, Temperature, Observations, Intermolecular Forces, Solute & Solvent, Saturated/Unsaturated/Supersaturated | High School, Middle School

  Lesson Plan: Particle Modeling of Hand Warmers Mark as Favorite (22 Favorites)

  In this lesson, students will create a particulate model of matter that explains energy changes and transfer during a physical process, such as the crystallization of a solid from a supersaturated solution.

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  Pharmaceuticals, Functional Groups, Identifying an Unknown, Chemical Properties, Observations | High School

  Lab: Over the Counter Drugs Mark as Favorite (39 Favorites)

  In this lab, students will do some research about common over the counter drugs and then carry out some chemical tests to learn more about their composition. They will then identify an unknown drug sample.

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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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  Polymers, Polymers, Molecular Structure, Physical Properties | High School

  Activity: Molecular Spaghetti Mark as Favorite (9 Favorites)

  In this activity, students will discover how the entanglement in cooked spaghetti depends on the length of the spaghetti strands and relate this discovery to polymeric materials.