Communication - Vibration, Electronic Signals, and Electromagnetic Radiation

Ready for a lab with a lot of razzle-dazzle? Young chemists observe flame tests of common salts through an always-popular activity. The updated resource focuses on observation skills, collaboration, and green chemistry practices.

Lead your class in a fun-filled team activity that encourages collaboration while learning important concepts. Pupils actively participate in a discussion on the experimental design and the role of mirrors. They perform group activities...

Using a simple circuit with the battery representing the brain, future physiologists test to see which solutions conduct electrical "nerve impulses." Enlighten learners with plentiful information on electric signals in the nervous system...

An electrifying video explains the electricity portion of the electromagnetic force. It connects everything from lightning to static electricity. Diagrams and a visual aid assist in clarifying the role of electrons to the process to...

It's time to get technical! Technical doesn't have to be tricky, though—even in the lower grades. A short video discussing standard PS4C, Information Technologies and Instrumentation, leads you through the surprisingly simple...

Investigate color, light and excited electrons and produce waves using slinkys. Your high schoolers will observe a continuous spectrum with a prism and an overhead projector. They observe flame tests to identify elements and they observe...

Here are two electromagnetism homework assignments rolled into one. The first eight practice problems deal with the magnetic field and magnetic force exerted by current-carrying wires. The second set of seven problems are specific to...

After high schoolers have learned about electromagnetic induction, they can solve these 10 practice problems. They calculate magnetic field strength, magnetic force, electromotive force, and output voltage. This is a choice option as a...

Learners conduct a series of experiments on electromagnets. In this physics instructional activity, students build their own electromagnet and explain how it works. They determine the factors that affect its strength.

How far would you have to travel so that the light of the full sun would provide "daylight" no brighter than twilight on Earth? This project describes a method to verify the inverse square law: how light, sound, electrical signals, and...