Curated OER
WS 7.1 Kinetic-Molecular Theory of Gases/Pressure
In this kinetic molecular theory worksheet, students summarize the points of the kinetic molecular theory, they answer questions about pressure, and draw diagrams to show how suction cups, drinking straws and barometers work.
Curated OER
Ranking Molecular Properties Based Upon Intermolecular Forces
A splendid chart of information about chemical bonding tops the first page. In it you will find information on London forces, permanent dipoles, hydrogen bonds, ionic bonds, and covalent bonds. A four-step process for assigning...
Curated OER
Call Me Bond, Hydrogen Bond
As amazing as James Bond is, the surface tension of water does not allow him to walk on it! For this series of little lab activities, physical scientists play with the properties of water due to the hydrogen bonds and resulting polarity....
Santa Monica College
Lewis Structures and Molecular Shapes
Learners practice drawing Lewis dot structures, build molecules with model kits, and predict molecular shapes using VSEPR theory. The combination of written work and hands-on reinforcement benefits young scientists.
Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds learning exercise, students determine the empirical and molecular formulas for given compounds. This learning exercise has 10 problems to solve.
Concord Consortium
Breaking a Molecular Bond
Breaking up is hard, especially with a third part involved! Watch as molecules of hydrogen, oxygen, and nitrogen try to keep it together as a neutral third atom bombards them. Users control the reactive molecules and the velocity of the...
Concord Consortium
Reaction Between Hydrogen and Oxygen Molecules
When molecules of hydrogen and oxygen are combined, how does water form? Science scholars observe changes in kinetic and potential energy during a chemical reaction in an interactive. The resource features easy controls that allow users...
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Curated OER
Hydrogen Powered Cars
Students apply the principles of chemistry to investigate the concept of how a hydrogen powered car works. They study the electrochemical reactions that provide the energy source. Students also record observations in the functioning of a...
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
Empirical Formula
Plenty of time was invested in creating this detailed presentation. The first slide alone includes several steps that support your explanation of percent composition, a precursor to understanding how to write empirical and molecular...
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...
Concord Consortium
Polarization
This is one cool resource for teaching about polarity! Chemistry scholars observe electron distribution and molecular shape as they select different non-metals and form bonds. The interactive offers two views, surface charge and electron...
Curated OER
Molecular Models
In this molecular formula worksheet students fill in a table describing elements and chemical formulas. They identify, elements by type and how they bond. The student analyze molecular formulas to identify the number of atoms and if the...
Curated OER
Molecular Modeling Activity
Students 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 construct...
Curated OER
Molecular Architecture
High schoolers cuminate their study of molecular structure and bonding with this activity.
Curated OER
Percentage Composition
In this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Curated OER
Graham's Law
In this gas laws worksheet, students apply Graham's Law by completing 6 problems finding the velocity and molecular mass of gases.
Howard Hughes Medical Institute
Molecular Structure of Fat
Bad fat, good fat, trans fat, food fat—are all fats created equal? Get to the bottom of the types of fat with a well-crafted presentation. The resource covers adipose tissue, lipids, trans fats, and many other substances that fall under...
Curated OER
Isotopes; Molecular Notation; Electron Orbits
In this isotopes, molecular notation, and electron orbits worksheet, students read selections pertaining to isotopes, mass number, molecular notation, electric attraction, and electron orbits. In addition, students complete 11 short...
Curated OER
Molecular Polarity
In this science worksheet, high schoolers solve problems that are related to the concept of molecular polarity. The answers to the problems are included.
Curated OER
Models of Hydrocarbons
Students construct models of hydrocarbon molecules using candy and toothpicks. In this hydrocarbons lesson plan, students are given a sheet with the molecular formulas of hydrocarbons. As a group, they construct each molecule using...
Curated OER
Empirical Formulas
High schoolers investigate empirical formulas for molecules. For this empirical formulas lesson plan, students use paper ions to form formulas and they show these are empirical formulas. They use ions of carbon and hydrogen showing...
Curated OER
Periods and Groups; Valence Electrons; Masses
In this periods, groups, valence electrons and masses worksheet, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...