Curated OER
Introduction to Chemistry
In this introduction to chemistry worksheet, students answer 9 questions regarding the study of chemistry. The first part is matching, then they "think like a scientist" and then they problem solve.
Curated OER
Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
Curated OER
Metals and Hydrogen Cars: Chemistry 10-12
Students investigate which metal is best to use as storage material in hydrogen cars. In this chemistry lesson plan, students differentiate endothermic and exothermic reactions. They write a reflection paragraph about what they learned...
Biology Junction
What Is Ecology?
Do you know the name for the biological study of interactions? A short presentation with accompanying worksheet introduces individuals to ecology. The materials offer a broad overview of the subject and the levels of organization to...
NOAA
Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...
Curated OER
Organic Compounds and Physical Properties
In this chemistry worksheet, learners identify which has the highest boiling point, as well as the lowest. Then they identify which compound is least soluble in water and why. Students also classify each of the compounds listed on the...
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Curated OER
Alkene Addition Reactions-Problem Set 18
In this organic chemistry worksheet, students complete 10 questions in which they identify the structural formulas for the products of reactions.
Curated OER
Is Organic Food Worth the Extra Cost?
Young scholars calculate the amount of pesticide residue in selected foods for two
pesticides and determine if these levels are safe. They read an article about a
research study looking for metabolites of these pesticides in children....
Curated OER
Polymers all Over the Place
Young scholars investigate properties of common molecules. In this chemistry lesson, students construct polymer models to gain a better understanding of the properties of polymers.
Curated OER
The Right Chemistry
Students see that chemistry is the study of matter, how matter reacts and combines to create new chemicals, the changes that take place in matter and what makes up matter. This lesson provides many good ideas across the curriculum to...
Curated OER
Determination of Plasticizer in PVC
Students isolate and determine the amount of plasticizer in polyvinyl chloride. They use Infrared Spectroscopy (IR) or Fourier Transform Infrared Spectroscopy (FTIR) and gravimetric techniques in this experiment.
Curated OER
Free Radical Reactions
In this chemistry worksheet, students look at the diagrams for the chemistry reaction. Then they write down the correct chemical reaction.
National Institute of Open Schooling
Environmental Concerns
Every year, more than 14 billion pounds of garbage is dumped into the oceans of the world, most of which is plastic and toxic to ocean life. Lesson 32 in the series of 36 focuses on environmental concerns, specifically pollution. Under...
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
BioFuels: The Chemistry and Economics of Alternative Fuels
Junior chemists manufacture biodiesel in the lab. In this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the challenge...
Curated OER
Ionization Energies in Group I and Period 2
In this electron arrangement worksheet, learners complete 2 graphic organizers by determining the proton number of given elements from their first ionization energy. Students plot graphs of first ionization energy against the proton number.
Curated OER
Chemistry and the Food System
In this chemistry worksheet, students review how chemistry has helped grow and preserve different foods. This worksheet has 11 fill in the blank, 3 multiple choice, and 6 short answer questions.
Royal Society of Chemistry
Amines and Related Compounds
Scientists call a molecule that contains a nitrogen atom that behaves as a base an amine. Four puzzles, related to amines and similar compounds, challenge scholars to prove their knowledge. After passing each puzzle, the next increases...
Virginia Department of Education
Acid-Base Theory
Litmus paper, why so blue? A chemistry lesson includes a pre-lab activity, practice calculating pH, an experiment measuring the pH in acids and bases, a titration demonstration, and a titration experiment.
Curated OER
What can I do?
Students identify feelings and explore positive ways to handle conflict. In this mental health lesson students discuss feelings and how to constructively handle them.
Curated OER
Chromatographic Separation of Methylene Blue and Sodium Fluorescein
Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...
Curated OER
Aluminum Adventure
Chemistry aces use an electrochemical cell to anodize a strip of aluminum. They apply an organic dye to it. In a practical application, they design a piece of jewelry out of the anodized metal and describe the process. Thorough notes...
Curated OER
Cells: Structures and Processes
Students explore the basic unit of life, the cell in this nine lessons unit. The cell structure of animal and plant cell functions and how they affect our world are probed in this unit.