Electricity & Magnetism

• Build an Electrical Logging Tool

  

  While an oil well is being drilled, a logging tool may be lowered into the borehole to gather data that is used to produce a kind of graph known as a log. Try building a model of logging tool… read more  

• The Electrical Resistivity of Materials

  

  This experiment will help you understand how geologists can measure electrical resistivity to identify types of rock or detect oil underground… read more  

• Fruit Power

  

  Did you know that some of the fruits and vegetables you eat could also help you make electricity? Try this and see! read more  

• Magnetic Relaxation

  

  The nuclei of some atoms line up with a magnetic field, then "relax" when the field is removed. Build your own electromagnet to see how this works. read more  

• A Two-Level Headlamp For A Bicycle

  

  Automobile headlights have two settings. The high beam, or bright setting, is used in rural areas when more illumination is needed. read more  

• Build a Better Battery

  

  Our lemon batteries used zinc and copper as electrodes. You could try other metals.  read more  

• Make an Electromagnet

  

  This SEED Engineering Challenge is to build the best electromagnet you can. read more