Curated OER
Urinalysis
Students participate in a lab experiment that explains why doctors take urine samples. They participate in a discussion about the urinary system and have already studied the functions of the organs involved in the urinary system along...
Curated OER
DNA Fingerprinting through a Chemistry Lens
Learners explore DNA and restriction enzymes using fragments of DNA separated by electrophoresis on an agarose gel. They analyze the results to see "whodunit".
Curated OER
Teaching Students How to Read the Protein Concentration in a Sample
Students work together to identify proteins in different samples. They calculate the protein concentration in those samples as well. They complete discussion questions to end the lesson.
Curated OER
Ink Painting And Poetry In Japan And China
Young scholars create original Haiku poetry and paint images that depict the emotions of each poem in this high school Language Arts lesson adaptable for other curriculums including Art and Social Studies.
Curated OER
The Science of Papermaking and Paper Recycling: A Research Experience for Teachers
Learners explore the concept of paper recycling and the fiber that is yielded from the process. Students perform a coarse screening of recycled fiber and calculate the yield of the process.
Curated OER
Selecting Soil Organisms in Compost
Students conduct an experiment to demonstrate that many of the enzyme systems needed to break down society's wastes exist in nature among the decomposers in a compost pile. They culture compost bacteria on starch agar to examine the...
Curated OER
Selecting Soil Organisms in Compost
Students demonstrate that many of the enzyme systems needed to break down--and therefore clean up-society's wastes already exist in nature among the decomposers. They select the best starch-munching organisms by altering the environment...
Curated OER
Cloning of Plasmid and Spinach DNA
Students ligate fragments of genomic DNA from spinach into a vector plasmid. They perform a restriction enzyme digestion. Student use a ligated DNA molecule to transform E. coli cells. Students analyze their procedures and outcome of...
Curated OER
The Cloning of Plasmid and Spinach DNA
Students will first extract genomic DNA from spinach and perform a restriction enzyme digestion on both the spinach DNA and the plasmid using the same restriction enzyme. They then ligate the cut plasmid DNA with the cut spinach DNA in...
Curated OER
Let it Grow and See What Happens
Students participate in an experiment in which they try to stop algae from growing. In groups, they develop a hypothesis and test it while making changes to the experiment along the way. They make observations and organize their data...
Curated OER
Activity #5 Soils-Permeability and Impurity Removal
Middle schoolers predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and...
Curated OER
Children's Literature Across the Curriculum Ideas-Sahara, Vanishing Cultures
Pupils read Sahara, Vanishing Cultures by Jan Reynolds. They complete a variety of cross-curricular activities surrounding the study nomadic cultures. Included are reading, art, math, science, writing, social studies, and library...
Curated OER
Finding the Salt Front
Students discuss definitions of estuary, salinity, and the salt front. They listen as the teacher explains the Hudson River Miles and ways the upriver and downriver sections relate to the north and south. Students graph the salt front...
Curated OER
Vocabulary Quiz: Grade Three
In this vocabulary worksheet, students match vocabulary words to the left with definitions to the right, 15 total. Worksheet contains links to additional activities.
Curated OER
The Floating Golf Ball
Fourth graders discuss density. In this floating golf ball lesson students complete a lab activity on density while working in groups.
Curated OER
ESL Reading Comprehension-"Gang Violence Increases in Sao Paolo"
In this ESL reading comprehension worksheet, middle schoolers read or listen to an article, then complete a variety of warm up and before/after reading activities. Homework suggestions are also given.
Florida State University
Florida State University: Magnet Lab: Dilution Refrigerators
Dilution fridges owe their cooling power to the incredible element helium. This animation illustrates how dil fridges exploit the element's properties to make things very, very cold.
Simon Fraser University
Chem1 Virtual Textbook: Effects of Dilution on an Equilibrium
Acting as an overview from the General Chemistry Virtual Textbook, this site explores equilibrium and equilibrium constants in reference to dilution. Formulas and charts are also provided on the subject.
Science Education Resource Center at Carleton College
Serc: Kool Aid Chemistry
An investigation where students learn about dilutions by studying different dilutions of kool-aid with their five senses.
Chemistry Collective
Chem Collective: Acid Dilution Problem
In this activity, students use the virtual lab to create 500mL of 3M HCl solution from a concentrated stock solution of 11.6M HCl. They must first calculate the correct volumes of 11.6M HCl solution and water to mix together to create...
Chemistry Collective
Chem Collective: Glucose Dilution Problem
In this activity, students use the virtual lab to create a 0.025M glucose solution from a standard 1M glucose solution. First, they calculate the correct volumes of 1M glucose solution and water to mix together to create the final 0.025M...
Chemistry Collective
Chem Collective: Determination of the P H Scale
This virtual lab activity where students perform the method of successive dilutions using HCl, NaOH, a pH meter, and universal indicator solution to help understand the logarithmic nature of the pH scale.
Other
Chem Guide: Strong and Weak Acids
This page from a retired Chemistry professor explains the terms strong and weak as applied to acids. As a part of this it defines and explains what is meant by pH, Ka and pKa and emphasizes the importance of not confusing the words...