A fair cop! Accurate breath analysis and speed detection

Activities

Patrick Gormley (Science Resource Center, USA)

Alcohol breath analyser demonstration

Mobile Inquiry Technology (The Concord Consortium, USA)

Calibrating thermometers

Science and Mathematics Initiative for Learning Enhancement (Illinois Institute of Technology, USA)

Straight line motion in two parts

Linear motion: Speed, velocity and acceleration

Mississippi State University (USA)

Sonic doppler effect – students can watch an animation of sound waves that originate from a moving source.

Doppler effect, 2 sources – animation shows sound waves from two moving sources.

Note: These activities require Shockwave.

Kettering University (USA)

The doppler effect and sonic booms – describes the Doppler effect, the sound barrier and supersonic speed, using simple animations.

Hands-On-Physics (The Concord Consortium, USA)

Mechanics – provides background information on the measurement of speed, together with a number of activities.

Center for Research on Parallel Computation (Rice University, USA)

Rocket racer – students construct a 'car' and decide how to measure its speed.

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Posted March 2001.