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Physical Properties of Matter
Five fabulous procedures introduce physics or chemistry classes to special properties of matter. They discover adhesion and cohesion, solubility, melting and boiling points, and viscosity through hands-on experiences. Tests are...
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Matter and Energy
Does the change in energy of matter lead to a change in mass? Upcoming chemists compare the mass of equal-volume, but different-temperature liquids and materials both before and after a chemical reaction has occurred. In another...
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Gas Laws
A series of attention-grabbing demonstrations and lab activities is outlined in this document. Through them, chemistry kids appreciate the behavior of gases. Inflate balloons, marshmallows, and toothpaste tubes without adding air! Use...
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Understanding Behavior of Gases
If you want your young chemists to fully grasp the behavior of gases, here is an all-inclusive lesson plan. It provides handouts of detailed instructions for three laboratory activities, assessment reccomendations, and a list of...
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Properties of Aqueous Solutions
Advanced chemistry kids experiment with the freezing and boiling points of various aqueous solutions. They also prepare a presentation of the kinetics of solution formation and structure of the matter involved. This resource provides...
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Heat Energy Released or Absorbed in Chemical Reactions
Chemistry whizzes test the change in water temperature produced by a burning candle and the change in acid temperature produced by magnesium metal. With these two laboratory activities they explore heat produced during chemical...
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Charles' Law Worksheet
Although it was published in the year 2000, this chemistry assignment is ideal for practicing the application of Charles' law. There are seven real-world problems to solve, and plenty of space provided for doing so. Add this to your...
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Quantitative Determination of the Composition of Water-based Paints and the Correlation of Paint Properties to Pain Composition
High schoolers perform a series of tests on water-based paints. In this chemistry lesson, students identify their different functions. They calculate paint density and fractional concentrations.
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Polymerization Experiments
High schoolers explain the process of polymerization. For this chemistry lesson, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
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Ammonium Nitrate - Efficient Fertilizers
Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
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Separation of Unknowns in a Liquid
Students identify the different components of a given sample using chromatography. In this chemistry lesson, students compare paper and column chromatography. They collect data and construct data tables.
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Glurch II
Students make glurch using materials provided. In this chemistry lesson, students identify the physical properties of glurch. They compare its properties to commercially prepared ones.
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Exothermic Rehydration of Gypsum
Students observe exothermic reactions in the lab using plaster. For this chemistry lesson, students collect data from their experimental set up every five minutes. They explain the different stages in the hardening of plaster.
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Separation of a Complex Mixture
Students develop a method to separate different types of mixtures. In this chemistry instructional activity, students model the steps in the scientific method. They perform the experiment and analyze data.
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Bouncing Balls
Students create a polymer ball in the lab. In this chemistry lesson, students identify the different properties of the polymer they created. They explain what type of chemical reaction took place.
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Rusting-A Form of Oxidation
Students observe the rusting process in the lab. In this chemistry lesson, students rank metals according to their conductivity. They give real world applications of this activity.
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Chemical Compounds
In this chemical compounds worksheet, students draw the Newman projections and the energy diagram for given molecules. Students draw the structure for different compounds. This worksheet has 4 drawing questions and 1 short answer question.
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Chromatographic Separation of Methylene Blue and Sodium Fluorescein
Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...
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Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
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Oils and Plastic
Peruse the properties of polymers with your materials engineers, chemistry aces, or emerging ecologists. The inquiries in this resource include puncturing polyethylene plastic bags, dissolving polystyrene cups, creating a polymer...
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Sun, Spectra, and Stars
Get ready to spark interest in electromagnetic radiation! This resource shares nine indelible inquiries that you can choose from to ignite understanding of spectra and the relationship between light and heat. The assessments that follow...
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An Introduction to Acids and Bases
Investigating pH is intriguing, especially with these activities designed for an introductory chemistry or physical science class. Pupils use litmus paper to distinguish acids and bases and then make indicators from food products....
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Factors that Affect Reaction Rates
Collaborating chemistry pupils observe that temperatrue increases the movement of dye throughout water, stirring increases the dissolving rate of sugar cubes, and concentration of solutions increases the chemical reaction rates. These...
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Polymers and Crystals: Their Role in Food Science
Blend chemistry with cooking in this exploration of polymers, carbohydrates, and food science. Experimenting with gelatin produces concrete examples of the bonding and ploymerization discussed in the lesson. Copious, comprehensive...