Teach Engineering
Electromagnets
Show your class what goes on with a magnet that can be turned on and off with a resource that provides the information needed to build an electromagnet. The information allows the class to understand that creating loops with the current...
Curated OER
Electricity/Magnetism
Second graders experiment with ballons to see which objects will cling and which objects will not. They use an assortment of objects, paper clips, pennies, button, scraps of paper, or puffed cereal. They make predictions and record results.
Curated OER
Making New Electricity
Students investigate the concepts of energy conversion and conservation. They research the history of energy conversions into electrical energy. They design experiments in order to replicate a conversion of energy into electricity.
Curated OER
Current-Carrying Coils In Magnetic Fields
Students predict the direction of movement for the pointer of a home-made galvanometer for a given current direction and describe how the current-carrying coil exerts a force on the magnet.
Curated OER
Solar Cell Simulation
Second graders describe how energy moves from the Sun to the photovoltaic cell to the wire and to the load. In this solar cell simulation lesson, 2nd graders demonstrate the movement of photons and electrons to emulate how solar energy...
Curated OER
Permeability (Magnetism)
Students investigate magnetic permeability and saturation. In this physics lesson, students explain how current carrying wire coils create magnetic forces. They interpret normal magnetization curves.
Curated OER
Ohm's Law
If your future physicists know how to construct simple circuits, include resistors, and use a multi-meter to measure voltage, then you might employ this activity on Ohm's law. Each lab group investigates the relationships among...
Carnegie Mellon University
Hydroelectricity
Use a simple PowerPoint presentation to introduce you environmental studies class to hydropower. Hold a debate about the pros and cons of developing this form of alternative energy. Power up your class with this simple lesson on a topic...
Curated OER
Clean, Green Power
Students explore and discuss alternative energy sources, and identify disadvantages of current fossil fuels.
Curated OER
Flowing Electrons
Students act out different types of circuits, and create their own circuits using wire, a bulb, a battery and a switch.
Curated OER
Orienting a Photovoltaic Cell
Students explore the optimum angle for orienting a solar collector relative to the rays of incoming sunlight. They review equinoxes, solstices, and various locational ideas before students investigate using meters, light sources, and...
Curated OER
Basic Circuits
Students explain the difference between a closed circuit and an open circuit. They construct simple to more complicated series and parallel circuits. They explain the difference between a series and parallel circuit.
Curated OER
Fun With Electromagnets
Fifth graders construct their own electromagnet out of copper and nails. They discover what objects could be used for magnets. Finally, 5th graders discuss how electric currents are formed.
Curated OER
Make a Battery From a Lemon
Fifth graders construct a voltaic battery. They change chemical energy into electrical energy by inserting copper wire into a lemon. They discover the tingle of the wire on their tongue is due to the movement of electrons.
Curated OER
WAVES AND PHOTONS
Students examine the many types of electromagnetic waves, the concept of an EM wave, how James Clerk Maxwell proposed a slight modification of the equations of electricity, Heinrich Hertz and his radio-frequency, wavelengths, and light...
Curated OER
Resistance in a Wire
Students find the constant of proportionality and apply it to a situation. They use the electrical resistance in a wire as a context for finding the constant of proportionality. In addition, they write an explanation and justification of...
Curated OER
Series and Parallel Circuits
Students explore the differences between a parallel and a series circuit.In this current lesson students complete several experiments using a light bulb.
Curated OER
Electricity and Ohm's Law Lesson Plan
Students investigate the concept of Ohm's Law and how it is used when finding a solution to an equation. They use properties of equality in order to find the solution for the variable. Students also apply a formula to real life problems...
Teach Engineering
The Temperature Effect
How temperature affects the efficiency of a solar panel is the focus of the third in a series of eight resources that presents how engineers are able to control the temperatures of photovoltaic panels. Class members find out how the...
Curated OER
Magneto-hydrodynamic Drives
Students examine how electric and magnetic fields can be used to force water out of a chamber to move a vehicle forward.
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
Electromagnetism
Students explore the generation of magnetic fields from currents in wires and measure the magnetic field directions. They measure magnetic fields in their own environment. They also examine how moving magnetic fields can create currents.
Curated OER
Electrolysis
Students conduct a series of experiments on water electrolysis. In this chemistry lesson, students explain what happens to the molecules during the process. They cite real world applications of electrolysis.
Curated OER
Solar Kit Lesson #13 Solarize a Toy
Students work in teams they select a low-power toy, game, or electrical deive to "solarize," or convert to solar power. They determine the operating voltage of their chosen device and design a solar array to provide this level of...
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