Curated OER
Bond Energies
Before completing this learning exercise, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data...
Curated OER
BioTechnology
The concept of electrophoresis and how it can be used to track sections of DNA that have been spliced is introduced in this slideshow. There are a few grammatical and spelling errors, but overall the slides are nicely presented.
Curated OER
Answer Key for More Advanced Electrochemistry Calculations
In this electrochemistry activity, students solve 9 problems such as identifying masses of metals produced at cathodes, determining the potential of a cell's electrode and writing cell reactions along with their potential.
Curated OER
Early Atomic Theory Homework
For this early atomic theory worksheet, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...
Curated OER
Hydrogen Powered Cars
Young scholars 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...
Curated OER
Separation of Mixtures and Compounds For K Through 12
Students explore mixtures and compounds. In this instructional activity, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances....
Curated OER
Vocab Science Chapter 1
In this word search activity, students locate 20 words related to science. The word list includes volume, mixture, and solute.
CK-12 Foundation
Ck 12: Electrolysis
[Free Registration/Login may be required to access all resource tools.] Students investigate voltaic and electrolytic cells describing the reactions that occur during the electrolysis of water. They also identify the products that would...
Exploratorium
Exploratorium: Science Snacks: Indicating Electrolysis
This experiment and video demonstration shows how students can break up water into hydrogen and oxygen gas with a simple electrolysis device.
Texas Instruments
Texas Instruments: Electrolysis of Water
Students will learn to write the half reactions that occur at each electrode during the electrolysis of water, performed in microscale using a 9V battery as a power source. In monitoring the pH at each electrode, studens will learn that...
BBC
Bbc: Gcse Bitesize: Electrolysis
This lesson focuses on Electrolysis, the decomposition of a liquid using electricity. When ionic compounds are molten or dissolved in water the ions are free to move. It offers links to a video and a test.
Concord Consortium
Concord Consortium: What Happens to the Energy of Water Molecules During Hurricanes?
Activity 2 investigates How Hot Can Water Get? In Activity 2 students analyze the relationship between energy changes and phrase changes as they discuss what happens when water boils. Bonus reading includes Why is Temperature Constant...
Other
Nmsea: Electrolysis: Obtaining Hydrogen From Water
The New Mexico Solar Energy Association provides an article entitled, "Electrolysis: obtaining hydrogen from water - the basis for a solar-hydrogen economy". The article is medium size in length with pictures and charts throughout to help.
University of Illinois
University of Illinois Urbana Champaign: Chemistry Learning Center: Electrolysis of Water Using an Electrical Current
From the Chemistry Learning Center at the University of Illinois, this page explains the chemical changes occurring during a water electrolysis lab. Textual information is accompanied by photographs which clearly illustrate the changes.
Other
Miniscience: Electrolysis of Water
A simple science project designed to investigate electrolysis of water in a laboratory.
Hunkins Experiments
Hunkin's Experiments: How to Make Oxygen From a Battery
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one...
Concord Consortium
Concord Consortium: How Can a Small Spark Start a Huge Explosion?
In this Activity 1 investigates What makes materials different from each other? Students will continue to learn about energy and to investigate how energy changes relate to changes in matter. Students will also explore what makes...
PBS
Pbs Teachers: Scientific American: Journey to Mars: Out of Thin Air
Discuss facts about Mars and investigate scientists' efforts to create fuel from materials found in space. Perform a simplified method of aqueous electrolysis to split water into its two chemical elements using electric current from a...
MadSci Network
Mad Scientist Network: Nonproduction of Oxygen
From the Mad Scientist Network, this page (and its accompanying answer page) use a question and answer format to help explain the results of an electrolysis of water experiment. Helpful tips for performing such an experiment are given.
PBS
Pbs Teachers: Scientific American: Future Car: Fuel Cells
Investigate the innovations surrounding fuel cell technology and the potential use of hydrogen as an automobile power source. Generate hydrogen gas by splitting water in a process called electrolysis.
American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Discover how covalent molecular bonding affects the energy levels of electrons.
Other
The Science House: Production of Hydrogen
In this experiment, students generate hydrogen gas and examine its properties. Teacher's notes are included.