Electricity and Magnetism has truly been a fun learning experience! We have explored polarity, talking about attract and repel. We explored Electrons(use the E to remind us they are -), neutrons (neutral) and Protons big P helps us to remember Positive. We tested a magnets strength or its FORCE, whether all metal is magnetic and how our Earth acts as a magnet. We played with the size vs. strength of a magnet and its magnetic field. We talked about the minerals such as iron, nickel, cobalt and magnetite, a rock that actually moves a compass and is magnetic! and We finally we learned about electromagnetism and motors in everyday life.
This led into the positive and negatives regarding electricity. We first explored the idea that metal is magnetic AND, it is also a CONDUCTOR> it allows electrons to flow through it. We learned that the positive of a battery is like the south on a magnet with the negative pushing the current out like the north. We used the word CIRCUIT as a replacement for CIRCLE and realized electricity only runs when the Circuit is closed. We made circuits, by stripping wire INSULATORS, inserting batteries, attaching switches and hooked up alligator clamps to even create series (christmas lights) and parallel circuits (our house). Our time spent as electricians, required us to realize the positive red end and negative black end of a buzzer and how they must connect with the same side of a battery. We learned that joining multiple batteries resulted in a brighter light.
The GRAND FINALLY was taking time to play with some of our Otter Cares Grant money….we all explored our Little Bits purchase to create circuits including dimmers, pulsators, motion detectors, lights of all types, keyboards and more!