Other
Zerofootprint: Youth Calculator
This calculator is a great way to estimate the carbon dioxide emissions resulting from your daily activities, such as household electricity use, food choices, and transportation.
TeachEngineering
Teach Engineering: Completing the Circuit
In the everyday electrical devices we use - calculators, remote controls and cell phones - a voltage source such as a battery is required to close the circuit and operate the device. In this hands-on activity, students use a battery,...
Concord Consortium
Concord Consortium: Calculating Reactance
Find out how the current in a circuit can be impeded by three types of circuit components.
Khan Academy
Khan Academy: Calculating Equivalent Resistance for Series and Parallel Resistor
Practice finding the equivalent resistance for parallel and series resistor configurations in this four-problem quiz.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Circuits
See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.
Other
Warmair.com: Attic Insulation Calculator
An online JavaScript application which allows visitors to investigate the relative amount of heat being lost from their homes due to insufficient insulation. The current R-value and a hypothetical R-value can be entered and the energy...
TeachEngineering
Teach Engineering: Both Fields at Once?!
This lesson discusses the result of a charge being subject to both electric and magnetic fields at the same time. It covers the Hall effect, velocity selector, and the charge to mass ratio. Given several sample problems, young scholars...
Other
Southwest Tech: Combination Circuit
Explains what a combination circuit is and how to calculate the resistance and amperage values in this type of circuit.
TeachEngineering
Teach Engineering: Power Your House With Water
Students learn how engineers design devices that use water to generate electricity by building model water turbines and measuring the resulting current produced in a motor. Students work through the engineering design process to build...
TeachEngineering
Teach Engineering: Introduction to Circuits and Ohm's Law
Students will explore the basics of dc circuits analyzing the light from light bulbs when connected in series and parallel circuits. Ohm's Law and the equation for power dissipated by a circuit will be the primary equations used. Using...
TeachEngineering
Teach Engineering: Renewable Energy Living Lab: The Bright Idea
Students use real-world data to evaluate the feasibility of solar energy and other renewable energy sources in different U.S. locations. Working in small groups, students act as engineers evaluating the suitability of installing solar...
TeachEngineering
Teach Engineering: Renewable Energy Living Lab: Power Your School
Students use real-world data to calculate the potential for solar and wind energy generation at their school location. After examining maps and analyzing data from the online Renewable Energy Living Lab, they write recommendations as to...
Science Struck
Science Struck: Horsepower Formula
Explains what is meant by horsepower, where the term originated, and demonstrates how to use the formulas for calculating the horsepower of a car and an electric motor. Conversion formulas are also provided. Includes interactive...
Cosmo Learning
Cosmo Learning: Gauss's Law
A collection of video lectures about Gauss's Law taught at East Los Angeles College The course teaches about the alternative method to calculate the electric field with explanations and examples. Site includes fourteen lectures that vary...
TeachEngineering
Teach Engineering: A River Ran Through It
Students learn how water is used to generate electricity. They investigate water's potential-to-kinetic energy transformation in hands-on activities about falling water and waterwheels. During the activities, they take measurements,...
Science Struck
Science Struck: Potential Energy Formula
Explains what is meant by potential energy and demonstrates how to use the formulas for gravitational potential energy, elastic potential energy, and electric potential energy. Includes interactive calculators for the first two formula...
Other
Big Ceramic Store: Ceramic Tips
This site provides a series of seventy-four tips on ceramics. The tips range anywhere from using resists and recycling clay to decorating with oxides and calculating the cost of firing on electric kiln.
Concord Consortium
Concord Consortium: Measuring Time and Frequency
The voltage in AC circuits oscillates at a rate known as the frequency. With an oscilloscope, see and measure the length of time between signals, and calculate the frequency of an AC signal.
Concord Consortium
Concord Consortium: Dc Circuits: Series Parallel Resistances (Sparks 3)
Answer questions regarding voltage drops across resistors and currents through them in such circuits. Practice calculating the effective resistances of a set of resistances in series and parallel.
CK-12 Foundation
Ck 12: Chemistry Simulation: Battery
[Free Registration/Login Required] Explore how batteries use redox reactions to create electrical energy to power a flashlight.
Other
Ask Numbers: Measurement Conversion Calculators and Charts
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...
Texas Instruments
Texas Instruments: Lemon "Juice"
"Juice" is a slang term sometimes used for electricity. Batteries are made up of one or more cells. Cells often consist of two different materials in a solution that are connected to each other by a wire. In this experiment, you will...
TeachEngineering
Teach Engineering: Efficiency of a Water Heating System
Students use a watt meter to measure energy input into a hot plate or hot pot used to heat water. The theoretical amount of energy required to raise the water by the measure temperature change is calculated and compared to the electrical...
Climate Literacy
Clean: Compact Fluorescent Light Bulbs Cost Benefit Analysis
This analysis activity allows students to calculate electrical usage in home lighting, and create a cost-benefit analysis for cost and energy savings by replacement of incandescent light bulbs with compact fluorescent or LED light bulbs.