576 – 600 of 664 Classroom Resources

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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 (38 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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  Matter, Physical Properties, Observations | Elementary School

  Activity: Is Air Matter? Mark as Favorite (10 Favorites)

  In this activity, students will conduct an investigation to discover whether or not air is a form of matter. Students will first gather data, and then make a claim. They will communicate their claim in writing, using their data to support their claim.

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  Polymers, Interdisciplinary, Culminating Project | Middle School, High School

  Lesson Plan: Cleaning-up the Plastic Island Mark as Favorite (21 Favorites)

  In this lesson, students will develop an understanding of the chemistry of plastics and apply their knowledge in order to engineer a cost effective and environmentally friendly method to clean up the Great Pacific Garbage Patch.

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  Observations, Combustion, Phase Changes, Experimental Design, Scientific Method | High School, Middle School

  Lab: Observing a Candle Mark as Favorite (16 Favorites)

  In this lab, students accumulate observations of a candle including a look at the combustion reaction's reactants and products.

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  Density, Concentration, Solute & Solvent | High School

  Lab: Test Tube Challenge Mark as Favorite (47 Favorites)

  In this lab, students will be challenged to create a density column, consisting of three distinct layers of sugar-water solution. This is an inquiry lab, where the students must apply their understanding of density and concentration in order to devise a successful plan for creating the column correctly.

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  Density, Dimensional Analysis, Review, Measurements, Accuracy, Accuracy, Experimental Design, Error Analysis | High School, Middle School

  Lab: Bowling Ball—Will it Sink or Float in Water? Mark as Favorite (7 Favorites)

  In this lab, students will find the density of a bowling ball to determine whether it will sink or float in water.

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  Conservation of Mass, Observations, Inferences, Matter, Error Analysis | High School

  Lab: Investigating Mass Change Mark as Favorite (18 Favorites)

  In this lab, students perform seven different investigations in order to develop an understanding of conservation of mass.

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  Significant Figures, Measurements, Accuracy, Density, Accuracy, Error Analysis, Error Analysis | Middle School, High School

  Lab: Significant Figures and Lab Data Mark as Favorite (98 Favorites)

  In this lesson, students will use laboratory equipment of different precision to collect data for several different metals, and then use the data to calculate the density of each. They will then compare their calculated densities to accepted values and determine the combination of equipment that leads to the most accurate calculation of density.

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

  Lesson Plan: The Right Polymer for the Job Mark as Favorite (19 Favorites)

  In this lesson students are introduced to polymeric materials by exploring polymers (mostly plastics) used in automobiles. Students will learn about the features that all polymeric materials have in common and the features that distinguish one polymer from another on the molecular level. Students will learn how the molecular differences translate into property differences. The selection of a polymer with the right properties for any particular application is of critical importance in an automobile.

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  Polymers, Physical Properties, Molecular Structure, Experimental Design, Scientific Method, History, Interdisciplinary | High School

  Lesson Plan: Give Your Car Some Bounce Mark as Favorite (4 Favorites)

  In this lesson students will learn about polymerization, specifically as it pertains to rubber tires and other materials in a vehicle. Students will take on the role of an engineer, and will investigate physical properties of different polymers and/or elastomers to determine the best material to use for an assigned product.

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  Density, Measurements, Graphing, Experimental Design, Scientific Method, Physical Properties, Error Analysis, Significant Figures, Error Analysis | High School

  Lab: Investigating the Density of an Irregular Solid Object Mark as Favorite (36 Favorites)

  In this lab, students will use common laboratory equipment to devise a method to measure the density of several irregular objects. They will then create a formal laboratory report using both their own data and data from the entire class.

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  Density, Observations, Inferences, Mixtures, Mixtures | Middle School, High School

  Demonstration: Density Tubes Mark as Favorite (3 Favorites)

  In this demonstration, students will have the opportunity to observe and analyze the density of a solution. Students will interpret their observations as they compare the density of the solution with plastic components.

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  Conservation of Mass, Exothermic & Endothermic, Chemical Change, Heat, Temperature, Observations, Chemical Change | High School, Middle School

  Lab: Kitchen Reaction Mark as Favorite (18 Favorites)

  In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

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  Radiation, Alpha/Beta/Gamma Decay, Graphing, Scientific Method, Experimental Design | High School

  Lab: Alpha Beta Gamma Radiation Mark as Favorite (12 Favorites)

  In this lab, students will investigate properties of three types of ionizing radiation—alpha, beta and gamma radiation. Students will have the opportunity to design their own procedures to explore the relationship between distance and radiation intensity.

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  Gas Laws, Pressure, Volume, Temperature, Graphing | High School

  Lab: Exploring Gases Mark as Favorite (35 Favorites)

  In this lab, students will investigate the relationship between the variables of temperature, volume and pressure. Students will engage in three lab station activities that each demonstrate a particular gas law. Students will interpret the results, graph data points and relate given data sets to each of the three gas laws.

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  Mole Concept, Dimensional Analysis, Density | High School

  Lab: Moles of Food Mark as Favorite (63 Favorites)

  In this lab, students will analyze the nutrition label of a variety of foods to find the amount of specific elements in each serving. Students are asked to evaluate and compare the data in a series of questions, in order to convert the values to moles. This lab gives students the opportunity to see the connection between the chemistry mole concept and everyday foods.

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  Reaction Rate, Order of Reaction , Graphing | High School

  Lab: Kinetic Approach to Water Flow Mark as Favorite (10 Favorites)

  This lab uses the principles of chemical kinetics without using a chemical reaction. It’s an effective means to introduce the important relationship between concentration and time at an introductory level. Students will have the opportunity to analyze data and make important connections through graphing their data.

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  Gas Laws, Molar Mass, Density, Temperature, Pressure, Volume, Ideal Gas, Physical Change, Observations, Density, Identifying an Unknown, Error Analysis | High School

  Lab: Molar Mass of Dry Ice Mark as Favorite (14 Favorites)

  In this lab, students will use gas laws to calculate the molar mass of dry ice and then use the information to identify the compound that makes up this substance.

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

  Lesson Plan: What is Density Mark as Favorite (2 Favorites)

  In this two-part lesson, students will learn about density through a teacher-led demonstration and a hands-on activity. The demonstration will give students the opportunity to observe the formation of a density tower made from common drinks. Students will then create their own density tower using simple ingredients, and then further investigate differences in density when solid objects are added to the tower.

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  Physical Properties, Density, Observations, Mixtures | Elementary School

  Activity: Discovery Tubes Mark as Favorite (1 Favorite)

  This is a fun, visual activity for young students. It allows for understanding of fundamental chemistry topics, including mixtures, miscibility, density and viscosity while analyzing a handheld colorful toy.

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  Measurements, SI Units, Accuracy, Introduction | High School

  Activity: Mysteriously Melodramatic & Maniacal Metric Measurements Mark as Favorite (52 Favorites)

  In this activity, students predict the measurements of objects using metric units. They then take the actual measurements and compare them to their predictions.

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  Density, Pressure, Temperature, Volume, Density, Error Analysis, Error Analysis, Measurements | High School

  Lab: Gas Density and Relative Molecular Mass Mark as Favorite (3 Favorites)

  In this lab, students will quantitatively determine the densities of four gases.

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

  Demonstration: Qualitative Look at Gas Density Mark as Favorite (6 Favorites)

  In this demo, students witness three types of gases and observe their relative densities to air.

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  Conservation of Mass, Matter, Conservation of Matter, Conservation of Matter, Conservation of Mass, Balancing Equations, Chemical Change, Predicting Products, Experimental Design, Chemical Change, Observations | High School

  Lab: Matter Matters Mark as Favorite (20 Favorites)

  In this lesson, students will investigate the Law of Conservation of Mass.

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  Physical Change, Mixtures, Observations | High School, Middle School

  Activity: Magic Bubble Mark as Favorite (7 Favorites)

  In this lesson, students will create and interpret particle diagrams that represent elements and compounds at the molecular level. They will also describe the process of dissolving and create particle diagrams that represent mixtures at the molecular level.