TeachEngineering
Teach Engineering: Pointing at Maximum Power for Pv
Student teams measure voltage and current in order to determine the power output of a photovoltaic (PV) panel. They vary the resistance in a simple circuit connected to the panel to demonstrate the effects on voltage, current, and power...
TeachEngineering
Teach Engineering: Concentrating on the Sun With P Vs
Students design, build and test reflectors to measure the effect of solar reflectance on the efficiency of solar PV panels. They use a small PV panel, a multimeter, cardboard and foil to build and test their reflectors in preparation for...
TeachEngineering
Teach Engineering: Am I on the Radio?
During this activity, students create a working radio by soldering circuit components supplied from an AM radio kit. Since this activity is carried out in conjunction with the associated lessons concerning circuits and how an AM radio...
TeachEngineering
Teach Engineering: Simple Coulter Counter
Students build and use a very basic Coulter electric sensing zone particle counter to count an unknown number of particles in a sample of "paint" to determine if enough particles per ml of paint exist to meet a quality standard. In a lab...
TeachEngineering
Teach Engineering: What's the Conductivity of Gatorade?
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...
TeachEngineering
Teach Engineering: Nxt Ball Shooter
This activity helps students understand how a motor in a LEGO MINDSTORMS NXT robot uses electricity produced by the battery to move a robot to do useful work in the form of throwing a ball. Students relate the concepts of electricity and...
TeachEngineering
Teach Engineering: Whose Field Line Is It, Anyway?
Students teams each use a bar magnet, sheet of paper and iron shavings to reveal the field lines as they travel around a magnet. They repeat the activity with an electromagnet made by wrapping thin wire around a nail and connecting...
TeachEngineering
Teach Engineering: The Good, the Bad and the Electromagnet
Using plastic straws, wire, batteries and iron nails, student teams build and test two versions of electromagnets-one with and one without an iron nail at its core. They test each magnet's ability pick up loose staples, which reveals the...
TeachEngineering
Teach Engineering: Circuits and Magnetic Fields
In this activity, students use the same method as in the activity from lesson 2 to explore the magnetism due to electric current instead of a permanent magnet. Students use a compass and circuit to trace the magnetic field lines induced...
TeachEngineering
Teach Engineering: Ohm's Law I
Students will work to increase the intensity of a light bulb by testing batteries in series and parallel circuits. It analyzes Ohm's Law, power, parallel and series circuits, and ways to measure voltage and current.
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: Put a Spark in It! Electricity
Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...
TeachEngineering
Teach Engineering: Energy
Through nine lessons, students are introduced to a range of energy types--electrical, light, sound and thermal-as well as the renewable energy sources of wind, hydro (water) and solar power. Subjects range from understanding that the...
TeachEngineering
Teach Engineering: Energy Efficient Housing
We all know that it takes energy to provide us with the basics of shelter: heating, cooling, lighting, electricity, sanitation and cooking. To create energy-efficient housing that is practical for people to use every day requires...
TeachEngineering
Teach Engineering: Photovoltaic Efficiency
Through a series of four lessons, students are introduced to many factors that affect the power output of photovoltaic (PV) solar panels. Factors such as the angle of the sun, temperature of the panels, specific circuit characteristics,...
TeachEngineering
Teach Engineering: Mri Safety Grand Challenge
This module was written for a first year accelerated or AP physics class. It is intended to provide hands on activities to teach end of the year electricity and magnetism topics including the magnetic force, magnetic moments and torque,...
TeachEngineering
Teach Engineering: Off the Grid
Students learn and discuss the advantages and disadvantages of renewable and non-renewable energy sources. They also learn about our nation's electric power grid and what it means for a residential home to be "off the grid."
TeachEngineering
Teach Engineering: Maximum Power Point
Students learn how to find the maximum power point (MPP) of a photovoltaic (PV) panel in order to optimize its efficiency at creating solar power. They also learn about real-world applications and technologies that use this technique, as...
TeachEngineering
Teach Engineering: Concentrated Solar Power
Students learn how the total solar irradiance hitting a photovoltaic (PV) panel can be increased through the use of a concentrating device, such as a reflector or lens. This is the final lesson in the Photovoltaic Efficiency unit and is...
TeachEngineering
Teach Engineering: Electrifying the World
This lesson introduces students to the fundamental concepts of electricity. This is accomplished by addressing questions such as "How is electricity generated," and "How is it used in every-day life?" The lesson also includes...
TeachEngineering
Teach Engineering: Generators: Three Mile Island vs. Hoover Dam
Students are given a history of electricity and its development into the modern age lifeline upon which we so depend. The methods of power generation are introduced, and further discussion of each technology's pros and cons follows.
TeachEngineering
Teach Engineering: Particle Sensing: The Coulter Counter
Young scholars are presented with a short lesson on the Coulter principle, an electronic method to detect microscopic particles and determine their concentration in fluid. Depending on the focus of study, students can investigate the...
TeachEngineering
Teach Engineering: What Is Bluetooth?
Students learn about electrical connections, how they work, and their pervasiveness in our world. Two specific skills explored are Morse code and the function of Bluetooth. Using bluetooth, they control LEGO robots remotely from Android...
TeachEngineering
Teach Engineering: How Does a Robot Work?
This lesson introduces electricity, batteries and motors using a LEGO MINDSTORMS NXT robot. The associated activity guides young scholars to build a simple LEGO NXT set-up and see the practical implementation of the concepts discussed....