Curated OER
Acid-base Homework Problem Set 2
In this acid-base reaction instructional activity, students calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.
Curated OER
Acids and Alkalis
In this acid and base worksheet, 5th graders study the effects of acids and alkalis. Students then respond to 4 fill in the blank questions about the material that is presented at the top of the page.
Curated OER
Thermometric Titration Involving Dataloggers
In this thermometric titration worksheet, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as they titrate. The equivalence point is found...
Curated OER
Protein Synthesis
In this protein synthesis worksheet, students use a given strand of DNA to write the complimentary base pairs. They transcribe the message to the RNA and then they translate the message into the proper amino acids using the codons on the...
Curated OER
Protein Synthesis
In this protein synthesis activity, students identify the proper amino acids given the mRNA codons. They also identify the mRNA codon given the DNA code and the amino acid it codes for. Students answer questions about protein synthesis.
Curated OER
Secret Pseudo-Protein Code
In this protein code worksheet, students are given a table of "Secret Pseudo-Protein Codes". They use the table to decode a DNA sequence and then encode an RNA sequence. They answer questions about the Secret Pseudo-Protein code.
Curated OER
Do You Know the Master Programmer?
Fourth graders, using candy, build models of DNA replication, RNA transcription, and tRNA translation.
Curated OER
The Action of A Buffer Solution
In this buffer solution worksheet, students experiment with the addition of different solutions to a buffer solution and observe the changes in pH using a pH probe. Students describe the differences among the addition of pure water and...
Curated OER
Baking Soda vs. Baking Powder
In this chemical reactions worksheet, students by comparing the chemical reactions of baking soda and baking powder. This worksheet has a graphic organizer and 7 short answer questions.
Curated OER
Regulating Gene Expression
For this gene expression worksheet, students read about two transcription factors: activators and repressors. Students complete 1 multiple choice and 5 short answer questions.
Curated OER
Complex Equilibria Quiz
In this equilibrium worksheet, learners answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
Biology Junction
Macromolecules
In chemistry, organic means something contains a carbon base. A helpful presentation starts by defining macromolecules as large organic carbon molecules. Scholars answer questions about each topic on the associated worksheet. It covers...
Curated OER
Raven Chapter 14 Guided Notes: DNA, the Genetic Material
Because it is heavily focused on the contributors to DNA theory, this worksheet may be more of an enrichment than a fundamental support to your genetics curriculum. Though it does query learners about DNA structure, replication, and...
Curated OER
What is Biotechnology?
Young consumers explore the concept of biotechnology as it pertains to the foods they eat, economics, and agriculture. They watch several videos, explore a website, complete worksheets, and engage in class discussion. Son they'll know...
Curated OER
Molecular Sequences & Primate Evolution: Amino Acids, Hemoglobins in Evolution
Students compare differences in amino acids in the beta hemoglobin from representative primates, complete a matrix of those differences, and from these data, construct and interpret cladograms as they reflect relationships and timing of...
Curated OER
Writing Net Ionic Equations
For this ionic equations worksheet, students are given 20 equations to complete. They are to write the net ionic equation and indicate if a precipitate or gas is formed. In addition they are to determine if 11 compounds are acids or...
Curated OER
Chemistry 112 Exam 2
In this chemistry worksheet, students solve twenty five multiple choice problems about a variety of chemistry topics. Students answer questions about equilibrium, solubility, reaction rates, titrations, and entropy.
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
Curated OER
DNA - The Double Helix
In this DNA worksheet, students read information about DNA and messenger RNA. Then students complete 16 short answer questions and color 2 images.
Curated OER
Titration
In this titration learning exercise, students read about titrations or neutralization reactions used to determine the concentration of acids or bases. They are given sample problems used to find the concentrations of acids or bases....
Curated OER
Balancing Redox Reactions
In this redox activity, students balance 6 equations that involve acids and bases. They balanced oxidized and reduced compounds as well as their oxidizing and reducing agents.
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure and...
Curated OER
Types of Chemical Reactions
In this chemical reactions activity, students read about the 3 types of chemical equations and how to write balanced ionic equations. Students are given 5 equations to balance, write the type of reaction, write the total ionic equation,...
Curated OER
Types of Chemical Reactions
In this chemical reactions instructional activity, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.