151 – 170 of 170 Classroom Resources

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  Polarity, Intermolecular Forces, Intermolecular Forces, Physical Change, Matter | Middle School

  Lesson Plan: Sandy Beaches—A Foray into ‘Magic’ Sand Mark as Favorite (5 Favorites)

  In this lesson, students will investigate the properties of magic sand and learn about the concept of hydrophobic and hydrophilic molecules. It also introduced students to the field of nanotechnology.

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  Polarity, Mixtures, Intermolecular Forces, Intermolecular Forces, Physical Properties, Observations, Mixtures | Middle School, Elementary School, High School

  Lab: Salad Dressing Science: Emulsions Mark as Favorite (29 Favorites)

  In this lab, students mix polar and nonpolar substances and then add various emulsifiers to encourage the mixing of the two substances. They use ingredients in salad dressing to relate science to real life scenarios.

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  Ionic Bonding, Naming Compounds, Precipitate, Ions, Molecular Formula | Middle School

  Activity: Bond with a Classmate Mark as Favorite (37 Favorites)

  In this activity, students are assigned an ion and form bonds with their classmates, recording the formula and name of the compound they created.

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

  Lab: Predicting Precipitates Mark as Favorite (29 Favorites)

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

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  Concentration, Solute & Solvent, Mixtures, Solubility, Percent Composition | Middle School

  Lab: The Perfect Kool-Aid Concentration Mark as Favorite (11 Favorites)

  In this lab, the students will investigate how the concentration of a solution affects its properties such as color and taste.

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

  Lab: Chemistree Mark as Favorite (18 Favorites)

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

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  Solute & Solvent, Chemical Change, Solubility, Chemical Bond | Middle School

  Lab: A Sticky Situation Mark as Favorite (6 Favorites)

  In this lab, students will try to separate plastic spoons that have been attached together with different adhesive materials using a variety of solvents.

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  Mixtures, Separating Mixtures, Solubility, Physical Change, Phase Changes | Middle School

  Lab: A Solution to Your Mix-up Mark as Favorite (4 Favorites)

  In this lab, students will perform a step by step process of mixing and separating substances based on their states and solubility in order to solve a problem.

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  Separating Mixtures, Interdisciplinary, Electromagnetic Spectrum, Mixtures, Mixtures | Middle School

  Lab: Candy and Leaf Chromatography Mark as Favorite (13 Favorites)

  In this lab, students will learn that mixtures are created by the combination of two or more substances. Many colors are actually mixtures of several different pigments. Mixtures can be separated, and in this lab students will perform chromatography to separate mixtures found in candy and in leaves.

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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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  History, Interdisciplinary, Physical Properties, Chemical Properties, Observations, Mixtures | Middle School, High School

  Lab: Top Secret Mark as Favorite (21 Favorites)

  In this lab, students will learn about the history of invisible ink and will have the opportunity to compare two types of homemade invisible ink recipes.

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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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  Chemical Change, Solute & Solvent, Observations, Inferences, Physical Change, Identifying an Unknown | Elementary School

  Lesson Plan: Alien Invasion? Mark as Favorite (2 Favorites)

  In this lesson, students will explore both physical and chemical changes as they try to help the Department of Homeland Security analyze and identify materials found in a mysterious capsule. Students will examine and observe an unknown object (a frozen water balloon) as it changes (melts). They then mix combinations of everyday substances to observe chemical changes.

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  Mixtures, Acid Rain, Interdisciplinary, Chemical Properties | Elementary School, Middle School

  Lesson Plan: Environmental Problems Mark as Favorite (12 Favorites)

  In this lesson, students are presented with an environmental problem to solve using important concepts of chemistry, which involves a lake with deteriorating water quality.

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  Mixtures, Solute & Solvent, Phase Changes, Distillation, Introduction, Separating Mixtures, Interdisciplinary, Mixtures, Physical Change | Elementary School

  Lesson Plan: Now I Can Drink the Water! Mark as Favorite (3 Favorites)

  In this lesson, students review important concepts of the water cycle and then design, test, and evaluate a working model of a desalination plant (a distiller).

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  Solubility, Solute & Solvent, Molecular Motion, Phase Changes, Reaction Rate | Elementary School

  Lesson Plan: Particles in Motion Mark as Favorite (1 Favorite)

  In this lesson, students learn that particles that make up matter are in constant motion.

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  Solubility, Solute & Solvent, Reaction Rate | Elementary School

  Lab: M&M's Solution Mark as Favorite (2 Favorites)

  In this lab, students will investigate dissolving using M&M’s and will determine whether dissolving happens faster without assistance, or with the assistance of the tongue and teeth.

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  Mixtures, Physical Properties, Molecular Structure, Mixtures | Elementary School, Middle School, High School

  Demonstration: Analyzing Mixtures Mark as Favorite (36 Favorites)

  In this demonstration, the teacher will create a sequence of mixtures in a single test tube. Water, oil, food coloring and soap will be used in this demonstration to introduce the concepts of heterogeneous and homogeneous solutions as well as the idea of miscibility. Students will also have the opportunity to analyze the properties, such as surface tension of each component used.

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  Mixtures, Chemical Change, Physical Change, Observations, Density, Acid Base Reactions, Chemical Change, Mixtures | Elementary School

  Lab: Analyzing a Lava Lamp Mark as Favorite (5 Favorites)

  In this lab, students create a mixture of oil, water and food coloring, and then add an Alka-Seltzer tablet, to create a homemade lava lamp. Student will record their observations during each step of the process and answer follow-up questions about the chemical and physical changes that took place.

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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.