Exploratorium
Modulated Coil
Transmit sound with an electromagnet. Class members follow the provided direction and build an electromagnet that will transmit sound though a cassette-tape player. As as extension they create an air core electromagnet and...
NASA
Speaking in Phases
Hear from deep space. Pupils learn how satellites transfer information back to Earth. They learn about three different ways to modulate radio waves and how a satellite sends information with only 0s and 1s. Using sound, class members...
University of Waikato
Māui and the Sun
Using a Maori legend, How Maui Tamed the Sun, youngsters are introduced to the importance of sunlight to civilization. Teach them about nuclear fusion that occurs to produce the solar energy we later receive on Earth as...
US Environmental Protection Agency
Types of Radiation
Learn about radiation, and what everyday items produce radiation, with a series of activities about heat transfer. Kids go over basic information about electromagnetic waves and ionizing radiation before performing several experiments...
Exploratorium
Spectra
Make a class set of spectrum tubes by first purchasing some diffraction grating, and then constructing the tools with mailing tubes or shoe boxes. If you aren't up for assembling them, you could purchase prepared spectroscope kits. This...
Chymist
Make a Low Energy Radio Transmitter
How do you demonstrate radio transmissions? Pupils build a low-energy radio transmitter by constructing two coils from magnet wire and connecting them to audio/phone plugs. The resource provides the details on how to build the...
American Museum of Natural History
Light Quest
Grab a partner and shed some light on light. A remote learning resource has scholars play a board game to answer trivia questions about light. They also read about how Einstein contributed to the understanding of light as both a wave and...
International Technology Education Association
Make a Pinhole Camera
With a little light and a lot of time, you can create some amazing images. This NASA-related task instructs pupils to build a pinhole camera. The lesson provides suggestions for different pictures to try with the pinhole camera...
National Nanotechnology Infrastructure Network
Powers of Ten with the Blue Morpho Butterfly
Explore the powers of ten while examining a Blue Morpho butterfly wing. Learners discover there is a lot more than meets the eye when one looks close enough.
TeachEngineering
Teach Engineering: Waves Go Public!
Students apply everything they have learned over the course of the associated lessons about waves, light properties, the electromagnetic spectrum, and the structure of the eye, by designing devices that can aid color blind people in...
Science Buddies
Science Buddies: Measuring the Speed of 'Light' With a Microwave Oven
In this experiment, you will measure the speed of light using a microwave oven, some egg white, and a ruler. This short project proves to be an extremely interesting choice for a science lab, with pictures for illustration, and thorough...
Exploratorium
Exploratorium: Bubbularium
What colors do you see in a bubble? Why do you see colors in a bubble? Use this site to find out the answer to these questions with this easy experiment.