Curated OER
Zener diodes
In this Zener diode worksheet, student answers 23 questions about DC current though a zener diode and determine the voltage regulated and resisted. Students can access answers online.
Curated OER
PHYSICS LESSONS
Students study the concept of electricity, what an electric current is and its relationship between voltage and resistance.In this electrical lesson students solve problems using Ohm's law, and research alternative sources of electricity.
Curated OER
2010 Electricity 10
In this electricity worksheet, high schoolers answer 17 multiple choice questions about electricity, how it is measured, the types of currents, the types of meters and circuits. Students also answer multiple choice questions about...
Curated OER
AC Waveforms
In this AC waveforms instructional activity, learners answer ten questions about AC voltage, frequencies of waveforms and they interpret diagrams of AC voltage.
Cornell University
Making a Battery
Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...
Curated OER
Nervous System
After reading through this presentation about nerve impulses, students should be able to complete the sentences given with the correct terms and scientific vocabulary. The basics of the ion channel behavior are detailed along with a...
Teach Engineering
Pointing at Maximum Power for PV
Following detailed directions, teams collect the voltage and current outputs of a photovoltaic cell by adjusting the resistance. Using the collected data, they determine the highest power output. Implications for weather and a large...
LABScI
Circuits Lab: Lightbulbs
Electrons flow from negative to positive, but the general consensus is that current flows from positive to negative. Scholars explore current through construction of circuits in both series and parallel. The focus is on voltage,...
Gears Educational System
Battery Basics
In a series of activities, high schoolers research and compare batteries of different chemistries (such as nickel-cadmium), measure current and voltage, and use multimeters and math to compute their capacities. In the end, they try to...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
Cell Potentials and Reduction Potentials
In this cell potentials worksheet, students review reduction potential, the equation to calculate the cell potential, and voltage. This worksheet has 18 problems to solve.
Curated OER
Spotlight on Photovoltaics and Fuel Cells
Pupils utilize Internet resources to uncover the pros and cons of two topics in alternative energy technology: photovoltaics and fuel cells. Students analyze the structure and function of each system to make observations about the...
Curated OER
Generation of Action Potentials in Nitella Giant Algal Cells
Students observe cytoplasmic streaming in Nitella cells. They examine the conduction of a wave of depolarization across other membranes, such as the axons of neurons. Students predict the effects of sending a small electric current...
Curated OER
Lemon "Juice"
Middle schoolers explore the concept of electricity in this lesson as they measure the electricity that a lemon gives off. Learners use volt meters to measure the amount of electricity coming from the lemon. Your class will also measure...
Curated OER
Physics 152 Fall 2004 Final Exam, Parts A, B, C, D
At the end of a general physics course focused on light and electricity, you can administer this exam. Concepts covered include electromagnetism, circuits, induction, light rays, lenses and mirrors, characteristics of light, electron...
Bonneville
Can Portable PV Charge Vehicles?
Take charge of learning about electric vehicles. Instructors first provide the class with information about PV modules and batteries. Learners then conduct an experiment where they connect PV modules in series and in parallel to...
Bonneville
Electrical Energy and Solar Module Efficiency
It's much more efficient if everyone knows the relevant terms. Pupils research vocabulary terms related to electric currents to start a unit on solar energy. They then use a multimeter to measure the voltage and current for a solar...
Exploratorium
Penny Battery
Use pennies to light an LED. Class members follow the provided directions to build a multi-celled battery powered by pennies. Using stacks of pennies of varying heights, pupils control the voltage of the battery to light different colors...
Bonneville
Engaging with Solar Panels
Build a fan and become a fan of solar power. The second of 14 lessons in the Cost Effective Solar Cells unit has learners first construct circuits with solar cells to power a fan, a motor, and an LED. They then test their circuits both...
Bonneville
Solar Panel Data Sharing
It's important to share—especially in science. Pupils share the data on voltage, current, and resistance they recorded when they built circuits with solar cells in a previous lesson. They discuss the results with the class and consider...
Bonneville
Phone Charger Efficiency
Be efficient in learning about efficiency. A fun hands-on activity has pupils calculate the efficiency of cell phone chargers by measuring the power in and power out. They also learn how to read and use circuit diagrams.
Chymist
Batteries
Young scientists study the construction of a battery through experimentation. They engage in five experiments which combine to create a thorough study of the history of batteries beginning with a model of the first battery.
Curated OER
Solar Photovoltaic (PV) Kit
The National Energy Foundation presents this activity, which instructs students to follow directions to connect a solar electric panel to a buzzer. They charge the solar panel to cause the buzzer to sound. The process is repeated with a...
Curated OER
Batteries in Series
Eighth graders examine batteries in a series circuit and the associated voltage. They determine, through inquiry and problem solving, that the total voltage of batteries in a series is the sum of the voltage of each battery. They design...