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Virginia Department of Education
A Crystal Lab
Young chemists grow ionic crystals, metallic crystals, and supersaturated crystals in three different lab experiments. Observing these under a microscope allows pupils to compare the various structures.
Towson University
Looking Into Lactase: Guided Inquiry
Milk does a body good ... unless, of course, someone is lactose intolerant. Pupils play the role of pharmaceutical scientists in a guided inquiry lab about lactase. Lab groups collaborate to learn more about lactose intolerance, how...
Chymist
Plop, Plop, Fizz, Fizz
One of the most recognizable commercial melodies was written in 1977, and led to gastronomical relief around the world. Scholars use Alka Seltzer tablets to measure reactants and calculate the chemical equation for the reaction of NaHCO3...
Curated OER
Back Titrations
In this chemistry worksheet, learners calculate the titrations of various types of chemistry problems. The questions include background information.
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
Organic Chemistry II Review Questions
In this chemistry worksheet, students determine the order of reactivity toward displacement in each of the series listed. Then they respond to several multiple choice questions as they relate to compounds and solutions. Students also...
Pingry School
Qualitative Analysis of Eleven Household Chemicals
Chemical and physical properties give compounds an identity. Learners use the identity of a compound to predict what it is. By performing different tests like solubility, flame, heat, and reactions, individuals attempt to identify an...
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...
Royal Society of Chemistry
Isomers of (E)-but-2-ene
One chemical formula—but how many different structures? Familiarize young chemists with the concept of isomers through simple, related games. Users identify each isomer base upon its name, structure, and type of isomerization in a set of...
Curated OER
DNA Detectives
In order to understand DNA fingerprinting, advanced biology aces divise a crime scenario and analyze three different samples of lambda DNA. This creative lesson plan provides practice with micropipettes, electrophoresis boxes, and other...
Curated OER
Salt Bridges
In this chemistry worksheet, young scholars examine the salt bridge in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Organic Chemistry II Exam 3
In this chemistry worksheet, students determine which compound is the most acidic in each multiple choice question. Then they determine what the major product would be in each of the reactions stated on the sheet.
Curated OER
Organic Chemistry II Exam 4
In this chemistry worksheet, students write the structures for the compounds listed at the top of the sheet. Then they name the compounds whose structures are illustrated. Students also write the mechanism for the reaction of methyl...
Curated OER
Redox Titration of Iron
Students 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
Solubility Product of a Hydroxide
Students determine the solubility product constant and the concentration of a hydroxide. In this solubility product lesson plan, students use a solution of calcium hydroxide to neutralize a known concentration of hydrochloric acid. They...
Creative Chemistry
Oxidation of Ethanol to Ethanal
Here is a laboratory exercise in which chemistry masters conduct an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. This activity is aimed at...
Curated OER
Estimating Errors in Chemistry
Estimating Errors in Chemistry is a detailed handout that illustrates the importance of calculating the percent error when working in the chemistry lab. There are no actual problems to solve, just notes and examples of calculations. Hand...
Towson University
Looking Into Lactase: Structured Inquiry
Why is lactase important? Biology scholars explore enzyme function in a structured inquiry lab. The activity tasks lab groups with observing how temperature and pH affect enzyme activity, as well as determining which milk products...
Nuffield Foundation
Working with Immobilized Enzymes or Microscopic Organisms
Let the lab be a catalyst to learn about enzymes. Scholars create alginate beads filled with yeast. As part of an investigation into enzymes, they see how these beads provide a catalyst to the reaction of glucose into ethanol.
Curated OER
Stoichiometry
For this stoichiometry worksheet, students practice calculating moles, molarity, and the concentration of a solution in molarity. This worksheet has 12 multiple choice questions and 3 problems to solve.
Curated OER
Physical And Chemical Changes
In this physical and chemical change worksheet, learners solve 13 clues in a crossword puzzle focusing on rates of chemical reactions and changes in the state of matter.
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
PhysioEx: Chemical and Physical Processes of Digestion
For this anatomy worksheet, students complete 22 review questions in the format of short answer, table completion, and fill in the blank after finishing an online virtual experiment about the chemical and physical processes of digestion.
Curated OER
Identification of Gram Negative Bacilli-IMViC
In this microbiology worksheet, students complete 9 review questions after finishing a group lab in which they perform four biochemical tests to help divide the Enterobacteriaceae into two major groups- E. coli and...