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Sustainability Lesson Clearinghouse
Electrolysis of Water
Lesson Description:
Students observe the electrolysis of water using either photovoltaics or a battery as the electric energy source.
Students observe the electrolysis of water using either photovoltaics or a battery as the electric energy source.
Lesson Type:
- Experiment
Sustainability Topic:
- Water
GEF Program Category:
- Sustainable Water Challenge
Time Needed:
1 hour
1 hour
Standards Addressed:
National standards: 5-8
-Int-b: 1.e. There are more than 100 known elements that combine in many ways to produce compounds, which account for the living and nonliving substances in the world.
-Int-b: 3.e. Electrical circuits provide a means of transferring electrical energy.
-Int-b: 3.f. In most chemical and nuclear reactions, energy is transferred into or out of a system. heat, light, mechanical motion, or electricity might all be involved in such transfers.
National standards: 5-8
-Int-b: 1.e. There are more than 100 known elements that combine in many ways to produce compounds, which account for the living and nonliving substances in the world.
-Int-b: 3.e. Electrical circuits provide a means of transferring electrical energy.
-Int-b: 3.f. In most chemical and nuclear reactions, energy is transferred into or out of a system. heat, light, mechanical motion, or electricity might all be involved in such transfers.
Materials Needed:
- Handouts included
- Photovoltaic cell (3v min) or 9-volt battery (one per group)
- Piece of aluminum foil, approx. 6 cm x 10 cm (two per group)
- Electrical wires with alligator clips (two per group)
- Beaker or small bowl (one per group)
- Water
- Stirring rod or spoon
- Graduated cylinder (several per class)
- Science journal
Submitted By:
Green Education Foundation (gef) on Behalf of Energy Education and Workforce Development
Green Education Foundation (gef) on Behalf of Energy Education and Workforce Development
School or Group:
Energy Education and Workforce Development
Energy Education and Workforce Development
Contact Email:
Service @greeneducation.com
Service @greeneducation.com
Notes:
Http://www1.eere.energy.gov/education/lessonplans/plans.aspx?id=266
Http://www1.eere.energy.gov/education/lessonplans/plans.aspx?id=266
Located in: Science
