551 – 575 of 651 Classroom Resources

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

  Activity: Periodic Trends Investigation Mark as Favorite (99 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 (79 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 | High School, Middle School

  Lab: Density Lab Mark as Favorite (36 Favorites)

  In this lab, students determine the density of several liquids and solids. They then identify an unknown metal by determining its density. They then 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 (166 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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  Chemical Change, Observations, Inferences, Chemical Change, Interdisciplinary | Elementary School

  Lesson Plan: Strawberry DNA & CSI Mark as Favorite (7 Favorites)

  In this lesson, students will extract DNA from strawberries and analyze evidence to figure out who perpetrated a petty crime.

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  Density, Observations, Interdisciplinary, Scientific Method | Middle School, Elementary School

  Lab: Crush's Dilemma Mark as Favorite (0 Favorites)

  In this lab, students explore the concept of density. They will examine the density of a plastic sandwich bag compared to water. Students will create their own experiment and investigate factors that affect floating and sinking.

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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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  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.

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  Phase Changes, Physical Change, Observations, Temperature | Elementary School, Middle School

  Lab: Condensation Mark as Favorite (2 Favorites)

  In this lab, students will explore the process of condensation. Students will investigate how water vapor condenses, and then they will conduct a comparison test to see if cooling water vapor has an effect on the rate of condensation.

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  Observations | Middle School, Elementary School, High School

  Activity: Compare and Contrast Mark as Favorite (2 Favorites)

  In this activity, students will use their observation skills to compare and contrast two similar chemistry classroom scenes in order to identify the differences between the two.

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  Observations, Mixtures, Density, Physical Properties, Mixtures | Elementary School

  Activity: Color-Works in a Jar Mark as Favorite (2 Favorites)

  Students will be using three ingredients to create a liquid color-works mixture in a jar. This is a fun chemistry project to do with young elementary students around the 4th of July or New Year’s Eve to get the children excited about fireworks.

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

  Demonstration: Comparing Gas Density Mark as Favorite (7 Favorites)

  In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a variety of different heights of lit candles. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candles to extinguish in order of height. Students will analyze and compare the presence of the gases in the container and make determinations about the densities of each.

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  Separating Mixtures, Density, Physical Change, Chemical Change, Mixtures, Intermolecular Forces, Intermolecular Forces | Middle School

  Lab: Clean it Up! Mark as Favorite (4 Favorites)

  In this lab, students will consider and utilize various separation techniques to purify and reclaim used motor oil.

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  Classification of Reactions, Culminating Project, Review, Interdisciplinary | High School

  Project: Classifying Reaction Types Mini Poster Mark as Favorite (69 Favorites)

  In this activity, students display their knowledge of the five main types of chemical reactions on a miniature sized poster.

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

  Lab: Classifying Reaction Types Mark as Favorite (95 Favorites)

  In this lab, students will carry out seven reactions and classify their reaction types. They will make observations, predict products, and balance the equations that represent the chemical reactions that are occurring.

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  Density, Observations, Inferences, Measurements, Identifying an Unknown, Error Analysis, Scientific Method | High School

  Lab: Colors of the Rainbow Mark as Favorite (36 Favorites)

  In this lab, students will practice density calculations and put their calculations to test by creating their own density column.

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  Introduction, Scientific Method | High School

  Activity: Chemistry Fact vs Fiction Mark as Favorite (17 Favorites)

  In this activity, students will read a short article, view a video, and discuss why they believe the article and video are or are not reliable sources of information. Students will then perform a basic laboratory experiment implementing the steps of the Scientific Method.

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  Solute & Solvent, Physical Change, Solubility | Middle School, High School

  Lab: Chemistree Mark as Favorite (17 Favorites)

  In this lab, students will prepare a solution to observe a physical change.