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Which sensors should I buy?
Here is a measure of which sensors and how many you might need
For science age up to 7 

 

 
For science age up to 11 you need:
  • A sound sensor for noise levels.
  • A light sensor for day and night
  • Two temperature probes for work on hot and cold
  • An LCD display that shows live readings
If you have more money:

Timing switches (light gate or jump-on pressure mats) for timing jumps and measuring the speed of toy cars rolling along the floor.

For science age 11 to 14
  • Pulse and breathing sensor
  • Two temperature probes for work on insulation etc
  • A light sensor as a day and night marker
  • A sound sensor for noise levels.
  • Pair of light gates for timing in forces topics
If you have more money:
  • Class set of pairs of temperature probes
  • Class set of pairs of light gates for forces topics
  • A class set of interfaces: one or two portable data loggers with displays and the rest can be basic data logging interfaces.
For general science age 14 to 16
  • Temperature probes - about three
  • Pair of light gates for timing
  • Distance sensor for measuring speed / movement
  • Voltage and current sensors
  • Barometric (aka low) Pressure sensor
  • Light sensor to use as a colorimeter
  • A selection of individual sensors
If you have more money:
  • Class set of pairs of temperature probes
  • Class set of voltage or current sensors
  • Class set of pairs of light gates or other motion sensors for work on forces
  • Class set of barometric pressure sensors

 

 

For Biology ages 16 to 18
  • Temperature probes - about three
  • pH sensor and probe
  • Oxygen sensor and probe
  • Light sensor or a colorimeter
  • Pressure sensor (barometric range)
  • One or two physiology sensors

 

For Chemistry ages 16 to 18
  • Temperature probes - about three
  • pH sensor and probe
  • Light sensor or a colorimeter
  • One or two other sensors according to interests

 

For Physics ages 16 to 18
  • Temperature probes - about three
  • Pair of light gates for timing
  • A selection of sensors - especially for rotary motion; distance; force; acceleration 
  • Voltage sensor

 

 
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