Fred Fotsch

At science fair with student. This STEM project uses a laser transmitter/PIN diode receiver for digital communication

Science Olympiad team mates build STEM stopwatch from PVC pipe and calibrate with Nspire CX for the competition.

STEM students enlighten their knowledge of buoyancy while designing, building, testing and flying a hot air balloon.

Hour of Code in the classroom using TI Nspire student edition. Student writes clever "Leaf Leap" game program. Fun!

Students write code to hijack magnetometer of iPad to measure solenoid magnetic field vs current. CX analyzes data.

STEM students build solenoid actuator for doorbell. Press button and nail jumps! One student said "this is magic".

Combustion reaction demo in AP chemistry class. Powdered carbohydrate explosion.

Replacement reaction demo for AP chemistry class. CO2(s) + Mg(s) -> C(s) + MgO(s) and lots of fog, light and sparks!

Student STEM project for 2015 science fair. Txt msg is sent between computers via 1/2 duplex - 2 way laser link.

Remember the M in STEM? Perhaps it's for data Modeling? Sign up for Science Nspired PD webinar tinyurl.com/naz2npy

At ~22/7 class at Central Market. This is a STEM project that you can eat!

Learning about the great curriculum available free on the TI Science Nspired web site at the 2014 CAST conference.

Chaos in the classroom! Students LUA a nonlinear dynamical system. Xn+1=r*Xn*(1-Xn) iterated 200 times for each r.

AP chemistry students investigate Boyle's law and model data using Nspire CX, pressure sensor and Nspire Navigator.

Soda water maker, Go Wireless Temp, Nspire for iPad used for demo of 1st law of thermodynamics from expansion of CO2

STEM students use laser cutter and ferric chloride to make PCB and 3D printer for case to build conductivity tester.

STEM students study Monte Carlo approximation of Pi algorithm and write the program in LUA on Nspire student edition.

Students learn to program iPad with LUA using TI Nspire student edition in my STEM class. Pics of quick sort program.

Students using Nspire handhelds and pH probe to find percent K+ in sample. First derivative plot used to find end pt.