Colorado State University
How Can You Demonstrate the Different Efficiencies of Different Light Bulbs?
Need a bright idea for an engaging lab? Watch your class light up as they explore the difference in efficiency between incandescent and LED bulbs! The resource makes use of simple materials and encourages learners to infer what's...
PBS
Light Bulb Challenge
Efficiency equals money where homes are concerned. A comparative lesson asks learners to measure heat output of incandescent and compact fluorescent light bulbs. They follow their investigation with calculating the cost of using the two...
Curated OER
Light Bulbs are Almost Burned Out
Incandescent light bulbs were enlightening more than 130 years when Thomas Edison invented them. More recently, US Congress passed legislation to increase efficiency standards. Your 5th, 6th, or 7th graders will be enlightened as they...
Curated OER
Electrical Principals and Wiring Materials
Train a budding electrician about the principles of electricity and the wiring materials needed to complete the job. Briefly covered are basic electrical concepts such as, volts, watts, circuits, and safety. Also covered are the...
Wind Wise Education
What is the Cost of Inefficiency?
What does it cost to keep the lights on? Through a hands-on activity, class members use a watt meter and determine the amount of energy different types of light bulbs use. The class then determines the financial and environmental cost of...
Physics Classroom
Light Intensity
Light intensity varies by the strength of the light bulb as well as the distance to the light bulb. Pupils apply these concepts independently at first. They must solve for the light intensity as either the distance or the wattage of the...
Curated OER
Electrical Appliances
Students explore electricity in daily life by examining everyday appliances. In this electrical current lesson, students identify the differences between watts, volts and amps and how they relate to the devices we depend upon. Students...
Purdue University
Design of a Door Alarm
How does electricity work? Budding scientists explore the concepts of electrical currents and open and closed circuits with class discussion and a hands-on activity using a battery to turn on a light bulb. Learners also make predictions...
Magic of Physics
Franklin's Lab
Get energized! Circuitry scholars follow the path of energy from its beginnings as a fossil fuel all the way to bulbs and batteries using an interesting interactive. Groups or individuals help Ben Franklin discover how to convert and...
Curated OER
Bronx Cheer Bulb
If you chew or make a "raspberry" while viewing an LED light source, the light will appear to wiggle or flicker. It is not because of the light itself, but because of the vibration of your skull! Have your physics class give this a try...
Curated OER
Watts Up Doc?
Young scholars examine the wattage of a light bulb using math. In this algebra lesson, students find the inverse square of given parameter. They work in groups collecting and analyzing data.
Exploratorium
Oil Spot Photometer
Are these two light sources the same? Groups use a white card and a little cooking oil to create a photometer that allows for the comparison of two lights. The Inverse Square Law provides a way to calculate the actual difference in...
Curated OER
Can You Hear My Now?: Getting the Message Across
In this power transmittance activity, students read about sources that transmit power and are given a chart with the distance and the power transmitted by each device. Students determine the intensity in watts of the power for each...
Curated OER
Water on Planetary Surfaces
In this water on planetary surfaces learning exercise, students read about the Galileo spacecraft and the surface of Jupiter's moon Europa. They read about the energy needed to keep the water in a liquid state on Europa. Students solve 4...
Center Science Education
Plugged In To CO2
Watt is going on here? Middle schoolers are learning about energy use and carbon dioxide emissions! In the first part of this instructional activity, learners measure how much energy different appliances consume and calculate the amount...
Curated OER
Watt's Up
Students analyze energy efficiency in lighting by visiting eight different classroom stations, determine cost vs. light output, graph their results, and answer questions on worksheet.
Carnegie Mellon University
Consumer Preferences in Lighting
What is a watt? This tongue-twisting, mind-bending question and others are answered through this instructional activity on the different lighting options available. With the support of a PowerPoint, teach your physical science class...
Teach Engineering
Human Power
How many humans does it take to power a light bulb? The 10th part of a 25-lesson Energy Systems and Solutions unit has learners conduct an experiment to calculate power. They then use the results to determine how many classmates they...
Curated OER
Green Team
Student explore the relationship of static electricity to current electricity, circuits, electromagnets, electro generators, and public electric utilities. For this Green Team lesson plan, 4th graders participate in hands-on science...
Curated OER
Household Conservation/Efficiency
Hook your class up to an online home energy usage calculator so that they can estimate the amount used per month by their families. Then give them Watt meters with which they will measure the power consumption of several small...
US Department of Energy
Get Connected!—An Electrical Conductivity Tester
Pupils test various materials to learn if the materials are conductors or insulators. They observe a small electric charge go through, or not go through, a material to light up a small bulb.
Curated OER
The Math of Light
Investigate light intensity, illuminance, and power consumption of different light source.Compare the efficiency of light bulbs then create a persuasive advertisement about it.
Physics LAB
Resistance, Wattage, and Brightness
In this light bulb activity, students determine how the thickness of a filament influences changes in a parallel circuit. This activity has 18 problems to solve.
Curated OER
Life with Energy
Learners identify forms of energy and the advantages/disadvantages of different forms of energy. They describe ways in which technology affects the environment both good and bad. Finally, benefits are determines as well as the...