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
Microbe Power - Using a Winogradsky Column as a Battery
In this lesson the student demonstrate analysis of the changes taking place in the bottle as well as bdemonstrate application of the interactions happening in the bottle by applying these changes to the environment.y measuring and...
Curated OER
Superposition Theorem
In this physics worksheet, students build a circuit based on the schematic diagram and solve the following questions about it. They calculate voltage, current and resistance of the circuits.
Curated OER
Millman's Theorem
In this electrical circuit lesson, students will answer 9 open ended questions to mathematically analyze circuits for current and voltage. This online worksheet provides diagrams for better understanding and reveals the answers.
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...
Cornell University
Characterizing a Solar Cell
Young classes are sure to get a charge out of this lesson! Learners experiment with circuits of a solar cell. They practice determining current, voltage, and power for the circuit and maximize the voltage and current of the cell.
Cornell University
Splitting Water with Electricity
Explore how electricity splits water molecules into hydrogen and oxygen. Learners begin by calculating the voltage necessary to separate the water. They then perform the experiment and measure the ratio of hydrogen and oxygen bubbles.
Teach Engineering
Can You Resist This?
Some things are hard to resist. Small collaborative groups build circuits and calculate the voltage using Ohm's Law. Budding engineers explore the connection between the voltage across different resistors and linear functions with...
Teach Engineering
Induced EMF in a Coil Wire
Small groups investigate the interaction between a coil of wire and a magnet to create an electromagnetic field and observe the voltage they create. Through further interactions, they realize a conductor can be charged from the...
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,...
PHET
Battery-Resistor Circuit
Don't be resistant to physics! A simulation shows classes how a resistor works. Change the battery voltage and resistance to show how this affects the flow of electrons. Temperature and amps measurements are shown for the system as well.
CK-12 Foundation
Power Lines
How does electricity travel through power lines? The simulation demonstrates the how changes in voltage and resistance are related to the distance between power polls and the thickness of the cable. Scholars control three variables in...
Curated OER
Magnetic Fields, Magnetic Forces, and Electromagnetic Induction Sample Problems
After high schoolers have learned about electromagnetic induction, they can solve these 10 practice problems. They calculate magnetic field strength, magnetic force, electromotive force, and output voltage. This is a choice option as a...
Curated OER
Maximum Power Point
Learners investigate how to optimize the power output of a photovoltaic cell using a home-made gnomon stand. They use data collected to create current-voltage and power-voltage curves and determine the "maximum power point," (MPP) at...
Curated OER
Maximum Power Point
Students investigate energy using a photovoltaic cell. In this electricity instructional activity, students collect data from current-voltage and power-voltage curves to determine if photovoltaic systems have an advantage over...
Curated OER
AC Waveforms
In this AC waveforms worksheet, learners answer ten questions about AC voltage, frequencies of waveforms and they interpret diagrams of AC voltage.
Curated OER
Parts of a Solar Panel-Part II
Students discover how a mini-solar panel is constructed by behaving like detectives. Students examine an actual solar panel, measure the solar panel's voltage and use drawings to describe what they observe before completing questions...
Curated OER
Elementary Circuits
In this electrical circuits worksheet, students answer 12 questions about basic circuits including identifying parts of a circuit, answering questions about shorted circuits and determining if voltage would exist at certain test points...
Curated OER
Switches
In this switches worksheet, students solve 18 problems about types of switches, circuits, the voltage of the switches, the contact status and the number of poles and throws in switches.
Curated OER
Passive Integrator and Differentiator Circuits
In this circuits activity, students answer 25 questions about passive integrator circuits and passive differentiator circuits given schematics showing voltage. Students use calculus to solve the problems.
Curated OER
Electromagnetism - Transformers
Young scholars build small circuits using transformers. In this electromagnetism lesson plan, students will show that transformers increase voltage which leads to an increase in current. An ammeter and the brightness of a light bulb will...
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
2001 U.S. National Chemistry Olympiad National Exam Part II
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...
Curated OER
Physical Setting: Physics Exam 2004
Twelve pages of mostly multiple-choice questions comprise this comprehensive New York Regents physics exam. It covers an entire year's worth of physics curriculum and requires about three hours for completion. Review the questions to...
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