Classroom Resources: Chemistry Basics
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Observations, Solubility, Physical Change, Solute & Solvent, Precipitate, Identifying an Unknown, Chemical Change, Mixtures, Graphing, Error Analysis  Middle School, High School
Lab: Chemicals, Chromatography, and Crime!
In this lab, students will test “evidence” that has been collected from a crime scene. In order to determine if the victim was poisoned, students will perform a solubility and crystallization test on an unknown powder. Then, students will attempt to identify the culprit by using paper chromatography to analyze the lipstick from the potential criminals.

Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis  Middle School, High School
Lab: Accuracy, Precision, and Error in Measurements
In this lab, students make measurements of length and width using four measuring tools. They will measure the same object using measuring sticks of different precision. They will observe that the exactness of a measurement is limited by the precision of the measuring instrument.

Observations, Inferences, Conservation of Mass, Matter, Error Analysis  High School
Lab: Investigating Mass Change
In this lab, students perform seven different investigations in order to develop an understanding of conservation of mass.

Density, Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis  Middle School, High School
Lab: Significant Figures and Lab Data
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.

Observations, Separating Mixtures, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements, Error Analysis, Error Analysis  High School
Lab: Limiting Reactant Lab
In this lab, students react copper(II) chloride with aluminum to determine the limiting reactant. They then isolate one product to determine their percent yield.

Density, Physical Properties, Measurements, Significant Figures, Scientific Method, Graphing, Error Analysis, Experimental Design, Error Analysis  High School
Lab: Investigating the Density of an Irregular Solid Object
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.

Physical Properties, Identifying an Unknown, Intermolecular Forces, Molecular Structure, Scientific Method, Graphing, Error Analysis, Experimental Design  High School
Lesson Plan: The Importance of Motor Oil Viscosity in Optimal Car Functioning
In this lesson students will determine how temperature affects viscosity and relate the data to the structure of motor oil and the optimal functioning of a car.

Solute & Solvent, Concentration, Colligative Properties, Calorimetry, Heat, Specific Heat, Temperature, Freezing Point Depression, Error Analysis  High School
Lesson Plan: The Hot and Cold of it All
In this lesson students will analyze the effectiveness of different brands of antifreeze/coolants and their ability to protect an engine in cold climates. Students will conduct a lab investigation to examine the freezing point depression in samples that have been diluted with distilled water. Students will also determine the specific heat capacities of antifreeze/coolant products as compared to pure water and explain how it relates to thermal energy transfer in the internal combustion engine.

Observations, Density, Physical Properties, Interdisciplinary, Measurements, Graphing, Error Analysis, Error Analysis  High School
Lab: Graphing Density
In this lab, students will collect data and then use graphing to determine the density values of unknown metal samples.

Accuracy, Measurements, Accuracy, Error Analysis, Error Analysis  High School
Lab: Glassware Accuracy
In this lab, students use different types of laboratory glassware to measure 50 mL of water and determine the accuracy of each piece of glassware.

Density, Density, Pressure, Temperature, Measurements, Volume, Error Analysis, Error Analysis  High School
Lab: Gas Density and Relative Molecular Mass
In this lab, students will quantitatively determine the densities of four gases.

Separating Mixtures, Physical Properties, Physical Change, Scientific Method, Mixtures, Error Analysis, Experimental Design  Middle School, High School
Lab: Separation of a Mixture
In this lab, students devise their own method to separate a mixture of sand, salt, poppy seeds, and iron filings.

Net Ionic Equation, Reduction, Redox Reaction, Galvanic Cells, Oxidation, Half Reactions, Cathode, Anode, Electron Transfer, Electrons, Error Analysis  High School
Lab: FourWay Galvanic Cell
In this lab, students will build a simple galvanic cell to measure cell potential and will compare their data to theoretical calculations. Students will become more familiar with cells during this opportunity to investigate and compare numerous electrochemistry reactions.

Gas Laws, Temperature, Kinetic Molecular Theory, Ideal Gas, Volume, Accuracy, Graphing, Error Analysis  High School
Lab: Finding Absolute Zero
In this lab, students will experimentally determine the value for absolute zero in degrees Celsius.

Density, Physical Properties, Identifying an Unknown, Accuracy, Error Analysis  Middle School, High School
Lab: Density Lab
In this lab, students determine the density of several liquids and solids. They then identify an unknown metal by determining its density. They then calculate the percent error within the class for a specific sample.

Observations, Density, Inferences, Identifying an Unknown, Measurements, Scientific Method, Error Analysis  High School
Lab: Colors of the Rainbow
In this lab, students will practice density calculations and put their calculations to test by creating their own density column.

Chemical Change, Reaction Rate, Catalysts, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Dimensional Analysis, Measurements, Scientific Method, Error Analysis, Experimental Design, Error Analysis  High School
Lesson Plan: Catalysis & Catalytic Converters
In this lesson students will be introduced to catalysts while expanding their knowledge of chemical reactions and stoichiometry. They will first learn about catalytic converters and then be challenged to create the best “catalytic converter” of hydrogen peroxide to oxygen gas in an inquirybased activity.

Physical Properties, Concentration, Colligative Properties, Boiling Point, Accuracy, Graphing, Error Analysis, Boiling Point Elevation, Molality  High School
Lab: Changing Water's Boiling Point
Download this lab in which students will explore colligative properties in a quantitative approach.

Physical Properties, Gas Laws, Pressure, Ideal Gas, Volume, Graphing, Error Analysis  High School
Lab: Boyle's Law
In this lab, students stack books on top of a closed syringe and use the volume change to determine the mass of the books.

Density, Review, Accuracy, Dimensional Analysis, Measurements, Accuracy, Error Analysis, Experimental Design  Middle School, High School
Lab: Bowling Ball—Will it Sink or Float in Water?
In this lab, students will find the density of a bowling ball to determine whether it will sink or float in water.

Identifying an Unknown, Net Ionic Equation, Stoichiometry, Percent Composition, Molar Mass, Error Analysis  High School
Lab: Analysis of Carbonate Compounds
In this lab, students identify three unknown substances by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.

Observations, Scientific Method, Error Analysis, Experimental Design  High School
Lab: Airplanes
In this lab, students will design a procedure to test for the intended outcome of a longest flight.

Concentration, Chemical Change, Chemical Change, Molarity, Balancing Equations, Stoichiometry, Limiting Reactant, Chemical Change, Titrations, Indicators, Measurements, Acid Base Reactions, Graphing, Error Analysis, Error Analysis, Equivalence Point  High School
Lab: AcidBase Mole Ratio
In this lab, students study several concepts, including acidbase reactions, limiting reactants, and stoichiometry, by observing the contained reaction of acetic acid (diluted vinegar) with sodium hydrogen carbonate (baking soda) in an unconventional, cost effective titration.

Interdisciplinary, Dimensional Analysis, Measurements, Significant Figures, Accuracy, Error Analysis  High School
Lab: Nanoscale and SelfAssembly
In this lab, students determine both the diameter of one single BB and the length of an oleic acid molecule.

Observations, Density, Gas Laws, Density, Pressure, Physical Change, Temperature, Identifying an Unknown, Ideal Gas, Molar Mass, Volume, Error Analysis  High School
Lab: Molar Mass of Dry Ice
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.