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Didactalia: material educativo > Tecnoloxía

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Which Batteries Last Longest?

Batteries make our lives portable. In other words, we can take things such as mp3 players, cell phones, digital cameras, and game consoles around to anywhere in the world. There are many kinds of batt ...

Creating a Compound Machine Using Simple Machines

Design a compound machine using your knowledge of simple machines.It is an educational content by clicking on the title of this resource, you will be redirected to the content. If you ...

Create Your Own Amusement Park with Simple and Compound Machines

We use machines every day to make our work easier. The compound machines that we use are oftentimes made up of multiple simple machines such as pulleys, levers, and inclined planes. Each simple machin ...

Open and Short Circuits

Does the "short circuit" mean the electricity takes a shorter course?It is an educational content by clicking on the title of this resource, you will be redirected to the content. If ...

Smart Card? A Study of ElectroMagnetic Fields Produced by RFID Transmitters

The purpose of the project was to measure the ElectroMagnetic Fields produced by RFID (Radio Frequency Identification) transmitters. Using this information, one could determine the safety risks (and p ...

Battery Power

Hipervinculo Física

Battery Power

AAA, AA, C, D batteries all are rated at 1.5 volts but besides the difference in physical size theamount of electric current they produce is also different. In this project the four battery types will ...

The Drawbacks of an Optical Mouse

The optical mouse replaced the old-school mechanical rollerball style mice that we can't seem to find anymore these days outside of antique stores and attics. Dust clogged up those rollerball-type mic ...

Electrolysis of Water Experiment

Energy is stored in the bonds of molecules. When these bonds split apart, the energy released can be used to do work. Breaking apart liquid water molecules into hydrogen and oxygen gas creates an enor ...

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