Curated OER
Chemistry 115 Practice Exam 3
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
Curated OER
Chemistry Comes to Life
Although biochemistry of the human body is a vital topic, it doesn't have a chapter dedicated to it in many biology textbooks. If that's the case with your text, you can use this resource as a guide for designing your own lecture and as...
Curated OER
Protein Biochemistry: Evidence for Charged Amino Acids in Proteins
Pupils add the acid and base drop wise as the protein precipitates. If either are added too rapidly, students may miss detail or the protein may not have sufficient time to renature. Casein does not buffer the solution well when it is...
Curated OER
WS 10.9 Ka/Kb
In this weak acid and base worksheet, students find the pH of solutions given the equilibrium constants for each of the weak acids and weak bases.
Curated OER
Off Base
Students study La Chatelier's principle and identify how carbon dioxide may affect pH. In this coral lesson students complete a worksheet on pH and observe a lab.
Curated OER
Chemical Reactions
In this chemical reactions worksheet, students determine if solutions are acidic, basic, or neutral. Students give reactions' molecular equations and ionic equations. This worksheet has 14 problems to solve.
Curated OER
Off Base
Students explain the Chatelier's Principle. In this pH lesson plan, students identify factors that resist changes in pH of the ocean and why the ocean is becoming more acidic.
Curated OER
Chemistry 112 Exam 2
In this chemistry worksheet, learners solve twenty five multiple choice problems about a variety of chemistry topics. Students answer questions about equilibrium, solubility, reaction rates, titrations, and entropy.
Curated OER
pH Basics
At some point, all science learners experiment with pH. In this brief lesson plan, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for your learners.
Curated OER
Other Aspects of Aqueous Equilibria
In this aqueous equilbria worksheet, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This worksheet has 14...
Curated OER
Acid Rain Experiments
Students define the term acid rain, and the causes of acid rain. They locate regions where acid rain is most affected, and what can students deduce from maps of geology and soils in New York State. Students answer the questions why are...
Curated OER
Solutions
In this solutions worksheet, students determine at what pH aspartic acid would be protonated. Students create buffer solutions with a certain pH and determine the solubility in certain solutions. This worksheet has 8 problems to solve.
Virginia Department of Education
DNA Extraction from Strawberries
Has your class ever been astounded by the complexity of DNA analysis? Have they ever asked why genetic engineering has become so important to our daily lives? Young scientists perform DNA extraction on strawberries and explore how the...
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
pH
Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.
Curated OER
Teaching about the Effect of pH on Aquatic Organisms
Students perform experiments to determine the PH, acidity, and buffering qualities of a lake that make them sensitive to acid deposition.
Curated OER
Why Does Alka-Seltzer Make Your Upset Stomach Better?
Students examine and discuss the types of acids found in the stomach. They determine Alka-Seltzer is an acid based on tests. They discuss how this type of acid makes one stomach feel better.
Curated OER
Strawberry Smoothies
Biologists extract the DNA from a strawberry. After completing the procedure, learners write answers to a few questions on the lab sheet provided. This is ideal lab practice during a DNA unit in your general biology course.
Curated OER
DNA: What Does It Mean?
Tenth graders explore DNA using online tutorial. They perform their own DNA extraction from a clove of garlic and identify the key components of DNA.
Curated OER
DNA Extraction
Young scholars extract the DNA from a strawberry. In this DNA technology lesson, students describe what they think DNA looks like. They use a procedure to isolate and extract the DNA from a strawberry.
Curated OER
Restriction Digest + DNA Comparison
Students compare different DNA and run a gel electrophoresis. In this DNA lesson students complete a DNA activity that allows them to better understand its structure and function.
Curated OER
Determination of Phylogenetic Relationships Using Restriction Analysis
Students applied various mathematical analyses to interpret their data. By using the resulting DNA fragment patterns from several enzymes students established a possible evolutionary relationship among the mice.
Curated OER
DNA Isolation from Plant Tissue
Young scholars perform an experiment to extract and observe DNA from plant Tissue. They read about the procedure and relate it to the procedure used to isolate DNA from an endangered plant species. This is lesson three in a nine lesson...
Curated OER
Strawberry DNA extraction
Learners study the basic function of DNA and then extract it from strawberries. In this DNA extraction lesson students examine DNA and see why the extraction of it is so important to scientists.