Curated OER
Redox Titration of Iron
Learners perform a redox titration of iron. In this iron titration lesson plan, students use potassium permanganate to oxidize iron so they can determine the percentage of iron in a sample of fertilizer.
Curated OER
Rates of Chemical Reactions-The Iodine Clock Reaction
Young scholars investigate the reaction rate of iodine and soluble starch. In this rates of chemical reactions lesson plan, students study the effects of varying concentrations of reactants and varying temperatures of reactants on the...
Curated OER
Atomic Emission Spectra and the Bohr Model of the Atom
Students investigate the wavelengths of spectra lines for common atoms. In this atomic emission spectra lesson plan, students use a transformer and diffraction grating to observe the emission spectra of various atoms. They find the...
Pingry School
Scientific Notation and Calculations – Energies, Frequencies, and Wavelengths of Photons
The calculator has an interesting way of displaying numbers in scientific notation, but don't let that confuse your pupils! A lesson designed to give learners practice with scientific notation and calculators provides several practice...
Curated OER
Chemistry 231, Exam 3
This exam is aimed at assessing college level organic chemists. Ten problems are to be solved and include drawing molecular structures, assessing degrees of saturation, ordering alkenes according to stability, and explaining chemical...
Curated OER
Chemistry 116 Exam 1, Spring 2009
This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...
Curated OER
WS 8.2 Formation of Solutions
In this solutions worksheet, students answer questions about the solubility of various substances in solvents such as oil in water and nitrogen gas in helium. They draw water molecules to show bonding between them and they diagram a...
Curated OER
Honors Chemistry, Organic Chemistry
Looking for a versatile worksheet on organic chemistry? If so, you might consider this resource. This resource asks learners to identify organic molecules, match terms with their definitions, determine bond angles and hybridization of...
Curated OER
WS 7.4 Ideal Gas Law
In this ideal gas law worksheet, students solve eighteen problems using the ideal gas law to solve for moles of gases, temperature of gases, pressure of gases or volumes of gases.
Curated OER
The Atom Board - Making Atoms
In this atom worksheet, chemists learn how to determine the number of protons, neutrons and electrons in an atom using the atomic mass and atomic number. They complete a chart of the subatomic particles and use marbles to represent...
Curated OER
Predicting the pH of Salt Solutions
A single page provides you with lecture notes for your lesson on hydrolysis. Introduce your chemistry class to Bronsted-Lowry theory by explaining the hydrolysis of acidic cations and basic anions. Show them how the resulting pH can be...
Curated OER
Discovering New Units
Students use Cuisenaire rods to explore common denominators. In this fractions lesson, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
Curated OER
Percent Yield
In this percent yield learning exercise, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a...
Curated OER
Names and Formulas of Compounds
For this compounds worksheet, students write the name or the formula for the given compounds. This worksheet has 20 problems to solve.
Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
Curated OER
Organic Chemistry II-Exam Answer Key
In this organic chemistry worksheet, students solve 10 multiple choice problems about organic reactions, they write the molecular structures for the products of 20 reactions, they answer 10 short answer questions about specific groups of...
Curated OER
Parts Per Hundred (ppH)
In this parts per hundred worksheet, students read about describing components of a population by parts per a given number such as 100, 100 or 1 million. Students are given 6 problems to calculate the parts per hundred for each sample...
Curated OER
Organic Molecules Detected on Distant Planet!
Here is a planet learning exercise in which learners read about organic molecules detected through spectral lines of the planet Osiris. They calculate the mass, the volume and the densities of common ingredients for planets including...
Creative Chemistry
Common Ions and Formulae of Ionic Compounds
This is not a activity per se but a reference sheet for your chemistry class. It lists cations and anions, their chemical symbols, and their net charges. Also included is a thorough explanation of combining these ions to form ionic...
Curated OER
Chemistry Midterm Practice Exam
A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...
Curated OER
Water, Water Everywhere
Students devise a system for watering classroom plants during school year and summer breaks. In this watering system lesson, students work in teams to investigate water needs of plants and develop systems that will keep the plants...
Curated OER
What Contains Carbon?
Students explore elements by analyzing everyday objects and materials in class. In this carbon lesson, students define several vocabulary terms such as carbon dioxide, hydrocarbon, and carbonate. Students view a group of items,...
Curated OER
Stoichiometry, Percent Yield and Limiting Reagents: practice problems
The questions here present situational problems and calculations to help your students understand the application of the math and data analysis practice.
Curated OER
Stars Lab
After making a list of top 10 brightest stars, your class will learn to classify the colors of the hottest and coolest stars. The spectral classes will help with understanding of nuclear fusion and the life of a star.
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