1 – 25 of 308 Classroom Resources

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  Periodic Table, Elements, Percent Composition | Middle School

  Activity: The Universe of Elements Mark as Favorite (15 Favorites)

  In this activity, students are introduced to the periodic table and its elements. Student will discuss that all material in the Universe is composed of elements and that the atom is the smallest particle that still has the physical and chemical properties of any given element. Students will engage in an activity to determine the percent composition of common elements in the universe, and based on their results they will hypothesize the identity of each element based on its relative abundance.

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  Polymers, Physical Properties, Chemical Properties, Physical Change, Chemical Change, Observations, Scientific Method, Mixtures | Middle School

  Lesson Plan: Exploring the Chemistry of Oil and Acrylic Paints Mark as Favorite (13 Favorites)

  In this lesson students learn about the chemistry of oil and acrylic paints. They make their own paint, and complete an experiment to collect qualitative and quantitative data through a series of tests. Students will also apply the concepts of physical and chemical change to the results of this controlled experiment.

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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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  Physical Properties, Molecular Structure, Polarity | High School, Middle School

  Activity: What Makes Water So Special? Mark as Favorite (56 Favorites)

  In this activity, students will become familiar with the special properties of water by completing several activities that investigate the following physical properties/phenomena: cohesion, adhesion, surface tension, and capillary action.

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  Elements, Periodic Table, Polyatomic Ions | Middle School, High School

  Game: Guess What: Compounds Mark as Favorite (6 Favorites)

  In this game, students will use their knowledge of the different types of elements and the compounds they can form to guess the computer opponent’s secret compound before the computer can identify their compound.

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  Elements, Periodic Table, Polyatomic Ions, Covalent Bonding, Ionic Bonding, Molecular Formula | Middle School, High School

  Activity: Game Activity: Guess What: Compounds Mark as Favorite (0 Favorites)

  In this game, students will use their knowledge of the different types of elements and the compounds they can form to guess the computer opponent’s secret compound before the computer can identify their compound. Students will take turns with the computer asking and answering yes or no questions about their secret compounds, selected from a pool of 20 compounds, to try to narrow down the pool to identify the computer’s compound first. This activity encourages students to reflect on different ways matter can be classified.

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  Phase Changes, Boiling Point, Melting Point, Physical Properties, Freezing Point, Molecular Motion, Physical Change, Density, Heat, Temperature | Elementary School, Middle School

  Lesson Plan: Investigating Water's States of Matter Mark as Favorite (1 Favorite)

  In this lesson, students will identify properties of different states of matter and then work in groups to model the molecular arrangement in water as a solid, liquid, and gas. This lesson will also help students understand that the change in state is a physical change and how the solid state of water has unique properties.

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  Electricity, Galvanic Cells, Graphing | Middle School, High School

  Lab: Comparing Batteries Made from Different Citrus Fruits Mark as Favorite (0 Favorites)

  In this lab students will explore and compare how different citrus fruits can be used to make batteries. Student lab groups will collect the voltage data for batteries made from limes, lemons, oranges, and grapefruit, then determine if there is a difference in the voltage they can produce.

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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 (3 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 (48 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 (28 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 (79 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 (62 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 (39 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 (23 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 (25 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 (10 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 (71 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 (58 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 (32 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 (4 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 (2 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 (9 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 (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.