Curated OER
Batteries in Series
Eighth graders examine batteries in a series circuit and the associated voltage. They determine, through inquiry and problem solving, that the total voltage of batteries in a series is the sum of the voltage of each battery. They design...
Curated OER
Light Bulbs Save Energy
Students read a story called New Bulbs Provide More Light, Save Energyand answer vocabulary and comprehension questions about it. In this current events energy saving light bulb lesson plan, students respond to literature by answering...
Science Buddies
Science Buddies: Career Profile: Electrical and Electronics Engineer
Find out about the many pathways available to one who has a career as an electrical or electronics engineer. Design video games, cell phones, GPS systems, anything that requires electricity to work. This Science Buddies site lays out the...
Science Buddies
Science Buddies: Wave Blockers
What do the radio, TV, radio controlled cars, and cell phones all have in common? They all use invisible waves to transmit information. Find out which materials block radio waves, and which materials allow radio waves to pass through in...
Creative Science Centre
Creative Science Centre: Demonstration of Radio Waves Generated by Mobile Phone
Described is a simple low cost home-made device that converts the radio wave energy from a mobile phone signal into electricity to light an LED. No battery or complex circuitry is required. The device can form the basis of a range of...
Creative Science Centre
Creative Science Centre: Demonstration to Show Mobile Phones Emit Radio Waves
This is a very simple and cheap device that demonstrates that mobile phones generate radio waves.
CK-12 Foundation
Ck 12: Physical Science: Microwaves
[Free Registration/Login may be required to access all resource tools.] Microwaves and their uses, and how cell phones and radar work.
TeachEngineering
Teach Engineering: I'm Not in Range
In this role-playing activity, students learn how cellular phone service works, its advantages and its limitations. Students also learn about the advantages and limitations of satellite phone service. Phone communication involves many...