26 – 50 of 311 Classroom Resources

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  Freezing Point, Solubility, Solute & Solvent, Phase Changes, Freezing Point Depression, Physical Change, Physical Properties | Elementary School, Middle School

  Lesson Plan: Salting Roads in Winter Mark as Favorite (6 Favorites)

  In this lesson, students investigate how the freezing point of water changes when salt is added. Many students know that water freezes at 0°C, and many believe that all substances freeze at 0°C. The investigations in this lesson help students understand why salt is spread on roads in cold and snowy conditions.

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  Physical Properties, Covalent Bonding, Electronegativity, Polarity, Molecular Geometry, Intermolecular Forces, Solubility | Middle School, High School

  Activity: The Chemistry of Water Video Questions Mark as Favorite (62 Favorites)

  In this activity, students will watch a video and answer questions about how the molecular geometry and polarity of water give rise to many of its unusual physical properties, including its relatively high boiling point and its ability to dissolve some substances but not others.

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  pH, Acid Base Reactions, Acid & Base Theories, Strong vs Weak, History | Middle School, High School

  Activity: What are Acids & Bases? Video Questions Mark as Favorite (33 Favorites)

  In this activity, students will watch a video and answer questions about acids and bases. They will learn about characteristics of acids and bases, the pH scale, and the role of acids in biochemistry.

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  Periodic Table, Introduction, History, Physical Properties, Chemical Properties, Electrons, Valence Electrons | Middle School, High School

  Activity: How the Periodic Table Organizes the Elements Video Questions Mark as Favorite (87 Favorites)

  In this activity, students will watch a video and answer questions about the organization of the periodic table. They will learn about how the elements on the periodic table are organized and what their location on the table can tell us about them.

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  Isotopes, Atoms, Electrons, Subatomic Particles, Elements, History, Introduction, Review, Alpha/Beta/Gamma Decay, Radioactive Isotopes | Middle School, High School

  Activity: What are Isotopes? Video Questions Mark as Favorite (74 Favorites)

  In this activity, students will watch a video and answer questions about isotopes. They will learn about the discovery of isotopes, the difference between chemical and nuclear reactions, different kinds of radioactive decay, and some uses of radioactive isotopes.

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  Conductivity, Observations, Electricity | Middle School

  Demonstration: Getting Charged Mark as Favorite (0 Favorites)

  In this demonstration, students will make predictions and then observe how conductivity is measured in several electrolyte and nonelectrolyte solutions. A short discussion about electrolytes, ions, ionic compounds, and galvanic cells will follow.

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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 (55 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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  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 (27 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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  Exothermic & Endothermic, Heat, Specific Heat, Temperature, Enthalpy, Calorimetry, Observations, Inferences | High School, Middle School

  Demonstration: Energy in Hot and Cold Packs Mark as Favorite (27 Favorites)

  In this demonstration, students will observe temperature changes in chemical hot and cold packs and discuss processes of endothermic and exothermic changes. They will also see that common household products can be used to make a hot and cold pack.

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  Exothermic & Endothermic, Physical Change, Temperature, Freezing Point, Boiling Point | High School, Middle School

  Demonstration: Energy Mark as Favorite (12 Favorites)

  In this demonstration, students will observe the exothermic and endothermic properties of state changes of substances with different freezing and boiling points.

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  Reaction Rate, Graphing, Temperature, Concentration | High School, Middle School

  Lab: Starch-Iodine Clock Reaction Mark as Favorite (87 Favorites)

  In this lab, students perform an iodine clock reaction to determine how concentration and temperature effect the reaction rate.

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  Reaction Rate, Chemical Change, Reaction Rate, Observations | Middle School, Elementary School, High School

  Demonstration: Simple Kinetics Mark as Favorite (62 Favorites)

  In this demonstration, students will see that different food dyes react with bleach at different rates.

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  Indicators, Identifying an Unknown | Middle School, High School

  Lab: Indicators of Acids and Bases Mark as Favorite (41 Favorites)

  In this lab, students will use various indicators to identify unknown (clear) solutions as acidic, basic, or neutral.

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

  Demonstration: Secret Message Mark as Favorite (7 Favorites)

  In this lesson, students will observe a hidden message while understanding simple acid/base chemistry and indicators.

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  Observations, Interdisciplinary | Middle School

  Lab: Jello Lenses Mark as Favorite (4 Favorites)

  In this lab activity students will explore and compare how different lenses made from Jello can magnify text. Student lab groups will make Jello lenses using different sized measuring spoons, small bowls, and cookie dough scoops. They will then observe if the size of the lens changes magnification.

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

  Activity: Laboratory Equipment Scramble Mark as Favorite (11 Favorites)

  In this activity, students will be challenged to solve a set of scrambled word puzzles. Each scrambled word corresponds to the name of a common piece of chemistry laboratory equipment. After solving each puzzle, students will use designated letters from each word to solve a riddle.

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  Observations | Middle School, Elementary School, High School

  Activity: Compare and Contrast Mark as Favorite (4 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, Physical Properties, Interdisciplinary | Middle School

  Lesson Plan: Fashionable Chemistry Mark as Favorite (2 Favorites)

  In this lesson, students will explore the characteristics of different types of natural and synthetic fabrics. Students will learn how synthetic fabrics are made and review the chemical formulas for various fabrics. Finally, students will demonstrate their knowledge by holding a chemistry fashion show.

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  Reaction Rate, Catalysts, Experimental Design, Chemical Change, Reaction Rate, Chemical Change | Middle School

  Lesson Plan: Investigating Fast and Slow Reaction Rates Mark as Favorite (2 Favorites)

  In this lesson, students will review the characteristics of chemical changes and then use a catalyst and an inhibitor to explore the reaction rate of the oxidation of iron.

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  Radiation, Electromagnetic Spectrum, Heat, Temperature, Experimental Design, Graphing, Interdisciplinary | Middle School, High School

  Lesson Plan: The Ozone Layer Mark as Favorite (9 Favorites)

  In this lesson, students will develop an explanation for the consequences of ozone depletion on Earth by planning and carrying out an investigation. Students will use analysis and interpretation of data to develop a model to explain the cause and effect of Ozone depletion on the planet Earth.

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  Physical Properties, Chemical Properties, Elements, Alloys, Chemical Bond | Middle School

  Lesson Plan: Behind the Metal Mark as Favorite (4 Favorites)

  In this lesson, students will learn about the properties of metals. The students will work in small groups to create a video to anthropomorphize their selected metal as though it were a heavy metal musician and share the video with their peers.

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  Density, Physical Properties, Chemical Properties, Physical Change, Chemical Change, Graphing, Alloys | Middle School, High School

  Lesson Plan: The Captivating Chemistry of Coins Mark as Favorite (7 Favorites)

  In this lesson, students will develop a better understanding of physical and chemical properties of matter by comparing the composition of different pennies. This is done by determining the density of different pennies which will be compared to the density of different metals.

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  Physical Properties, Molecular Structure, Intermolecular Forces | Middle School, High School

  Lesson Plan: Structure Matters Mark as Favorite (11 Favorites)

  In this lesson, students will explore the atomic level structure of various elements and compounds to determine how arrangement of atoms at the microscopic level affects macroscopic material properties.

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  Model of the Atom, Atoms, Subatomic Particles, Electrons, Atomic Mass, Isotopes, Periodic Table, Elements | Middle School, High School

  Lesson Plan: Acting Out Atomic Structure Mark as Favorite (4 Favorites)

  In this lesson, students will model the location and behavior of protons, neutrons, and electrons that make up the structure of atoms, focusing on the first 18 elements on the periodic table. Students will model different elements first by adding protons and neutrons (colored balls) to make the nucleus (a basket). Then, the students themselves will represent the electrons that are always moving around the nucleus yet remaining within their designated energy level. This activity is easiest to complete outside or in a large open room to allow for enough room.

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  Electron Transfer, Electrons, Electricity, Model of the Atom, Atoms, Subatomic Particles, Electrons, Observations | Middle School, High School

  Lesson Plan: Understanding Static Electricity Mark as Favorite (6 Favorites)

  In this lesson, students will complete a series of activities to explore how the imbalance of charges in materials creates static electricity and how those materials interact with others around them. They will describe the relationship between atomic structure, specifically the role of protons and electrons, and static electricity.