Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
Curated OER
Chemistry 116 Exam 2 Summer 2009
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
Curated OER
Chemistry 116 Exam 1, Spring 2009
This five-page exam was designed for a biochemistry and organic chemistry course. It covers the molecular geometry and properties of organic comounds. Test takers identify compounds, functional groups, and isomers. They draw Lewis...
Creative Chemistry
Fossil Fuels Summary
As the title suggests, this is a simple summary of fossil fuels. There are no questions or problems to solve or no notes about fossil fuels. The notes cover how fossil fuels are formed, how we extract them, what humans use them for, and...
Curated OER
The Living Environment
For this living environment worksheet, students complete a crossword puzzle given 34 clues about the various species in the environment that produce, consume and decompose. Topics also include photosynthesis, respiration, glucose,...
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
Summary of Organic Reaction Mechanisms Needed for AS Chemistry
Advanced chemistry courses typically cover organic reactions. On this reference sheet, the five types of organic reaction mechanisms are explained and an example is shown. For each, there is also a diagram of the chemical reaction...
Curated OER
Combination of Atoms
In this atoms learning exercise, students review protons, neutrons, electrons, molecules, compounds, and ions. This learning exercise has 10 fill in the blank and 3 problems to solve.
Curated OER
The Structure of Matter
In this matter activity, high schoolers compare and contrast chemical and physical properties and explain the relationship between a pure substance and a mixture. Students review the properties of metals and nonmetals. This activity has...
Curated OER
Natural Gas Lesson-How Natural Gas Forms
Students examine background natural gas and how it is formed and what it is made of. Titles within the series include How Natural Gas Forms, What Happens to Natural Gas when it is burned, and How Natural Gas can be used. Provides very...
Curated OER
Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
Curated OER
Chemistry 1 Practice Exam
In this chemistry practice test worksheet, students answer 30 multiple choice questions regarding chemical formulas and chemical names for compounds.
Curated OER
Molecular Modeling Activity
Young scholars explore the concept of molecular modeling and differentiate between saturated and unsaturated compounds. In small groups, they identify molecular formulas, complete a chart comparing alkanes, alkenes, and alkynes, and...
Curated OER
Chemical Elements and Compounds Crossword
For this elements worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.
Curated OER
Ozone Tag
Seventh graders explain the role of stratospheric ozone and predict at least three ways in which depleted ozone would change her/his lifestyle. They then describe the process by which chlorine or bromine compounds can break down ozone...
Curated OER
Chemical Formulas Unit-Day 4
The purpose of this lesson involves reviewing nomenclature and molecular
formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy
and matter is...
Curated OER
Chemicals in Your Life
In this chemicals worksheet, students fill in 61 blanks of statements comparing the chemicals used in farming and the chemicals found in medicines and food.
Curated OER
Introduction to Bonding
For this chemistry worksheet, students create new and true statements while replacing false ones in order to properly define parts of the concept of bonding.
Curated OER
Playing With Polymers
Students explore the world of polymers. In this chemistry activity, students make polymers and observe their properties. Follow-up questions and extension activities are included.
Beyond Benign
Daphnia Bioassay LD50
De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing...
Curated OER
Worksheet 7 - A Practice Quiz 3
Every sort of chemical bond is touched upon during this assignment. Chemistry whizzes identify what type of bond is formed by analyzing chemical formulas or Lewis structure diagrams. Multiple choice questions also ask learners about...
Curated OER
Organic Chemistry I: Problem Set 17-alkenes
In this organic chemistry of alkenes worksheet, students name and write the chemical formulas for 12 alkenes and then complete 3 short answer questions about the saturation of alkene compounds.
Curated OER
Atomic Mass, Moles, and the Periodic Table
In this periodic table activity, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.