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
Midterm Exam #1, Electricity Concepts
The physics department at The University of Hawaii has designed midterm exams for their college physics courses. This version deals with electricity concepts. It requires learners to calculate conversions, capacitance, and potential...
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...
Bonneville
How Much Energy Do YOU Use?
Determine the power hog in the house. Pupils learn the difference between power and energy before participating in a hands-on activity. Using a power meter, pairs measure the actual power used for several household devices, estimate the...
National Wildlife Federation
Understanding and Measuring School Electronics
Feel the power in turning off electronics. Using energy-monitoring devices, pupils find the amount of energy it takes to power a simple electronic when it is on and when it is off. They then calculate the cost for the entire year for the...
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...
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...
Teach Engineering
Watt Meters to Measure Energy Consumption
It used watt amount of energy? This resource investigates the power usage of small household appliances. Using a watt meter, groups measure the actual wattage used by an appliance and then calculate the energy used daily.
Consumers Energy
The Cost of Electricity
How much is your toaster costing you every day? Young environmentalists calculate the monetary costs of household appliances based on their average consumption of wattage.
Scholastic
Study Jams! Current Electricity & Electric Circuits
Set to upbeat instrumental background music, eight slides present pictures of electrical wires, batteries, and appliances, Each slide is accompanied by a few sentences that introduce viewers to concepts related to current electricity....
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...
Mr. E. Science
Electricity and Magnetism at Work
I don't get electricity jokes, watts so funny about them? The 13th in a series of presentations covers energy, motors, currents, generating electricity, calculating electrical energy cost, transformers, and batteries.
Teach Engineering
Lighting in My Classroom Survey
How much energy does it take to light a room? Class members calculate the total wattage it takes to light the classroom. Through calculations, responsible scientists determine the cost of energy for the year, then figure out how much...
Curated OER
Puttin' It All Together
Learners explain the concepts of kinetic and potential energy and how it can change forms. For this energy, motion, and frictional forces lesson students participate in a hands on activity that includes calculating energy.
Curated OER
Work and Power: Waterwheel
Students investigate a waterwheel and the physical properties of energy. In this waterwheel instructional activity students create a model waterwheel and calculate the amount of power produced.
Curated OER
What Does It Cost to Use It?
Students investigate how electrical usage is counted. For this electricity lesson, students research an electric bill and define terms such as watts and kilowatts. Students calculate the average electricity cost per year by using a...
Curated OER
How Good Is Green?
Learners explore the amount of electricity used and wasted in homes and at school using kilowatt meters. In this environmental energy activity, students compute power usage by appliances over time and identify ways in which electricity...
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...
Curated OER
Power and Auroras
In this power and auroras learning exercise, students read about the relationship between power, work and energy and how the power of auroras are measured by the light they produce. Students use a data chart of the Great Aurora of 2003...
Curated OER
Energy: The Universal Currency
Science stars examine the concept of energy by thinking about everyday situations. The lesson plan is incohesive. It lists goals for the student, but doesn't address all of them in the content. The best use of this resource would simply...
Curated OER
Watt Power
Students discuss the concept of power and the meaning of watts. In this experimental lesson students divide into groups, record data and calculate the results.
Curated OER
Energy, Work, and Power
In this energy worksheet, students review the equations to solve for work and power. Then students complete 10 matching, 14 fill in the blank, and 10 problems to solve.
Curated OER
Work and Power
In this power worksheet, students use the equations of power and work to complete 4 word problems. Students use the standard units of watts and joules.