Academy of Science: Outreach Program

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Presentation transcript:

Academy of Science: Outreach Program Michael Yang Kyle Kelley

What We Learned How to use the SEM and AFM Plan lessons Outreach Set up, mechanisms, and functions Plan lessons Outreach

Scanning Electron Microscope Ejecting electrons from tungsten filament Voltage difference accelerates electrons Electrons pass through magnetic lenses to focus beam to a spot Back scattered detector Vacuum and gold plating

Atomic Force Microscope Nano scale high-resolution Images created by “tapping” Large specimen range (0.1mm x 0.1 mm in x,y with 0.010 mm height range, conductive and insulating OK) Can acquire topographic images, among other signals Scanning speed and image size

Two Rivers Community School Teach sense of scale Measure with Twinkies and pennies Table top SEM

Ashe County High School Sense of scale How do SEMs function Hands on experience with the SEM

Hardin Park Elementary School Demos on sound Oscilloscope Sound needs a medium to travel through Characteristics of waves

Personal Experiences Providing children with the opportunity to work with technologies that would be otherwise unavailable. Becoming more comfortable with public speaking through leading activities and demos.

Special Thanks Dr. Coffey Dr. Tashakkori Academy of Science Ashe County High School Marybeth Knight Two Rivers Community School Elissa Brown Hardin Park School Watauga County School System