Thermal Conductivity Bars Age 4-5 Develop addition and counting skills
$85.99
Description
Develop addition and counting skills with Counting Mountain
Age suitability: 3 years+
critical thinking
7 Quad Disc
reed switch
Thermal Conductivity Bars Age 4-5 Develop addition and counting skillsThe thermal conductivity set comprises four metal bars held firmly together in parallel with a plastic rigid carrier. The metals are copper, aluminium, brass and steel. Each bar has a Liquid Crystal temperature sensitive strip attached and its conductivity value marked on the back of the carrier. The liquid crystal strips have 8 boxes and change to a green colour at about 40C. What the Colours Show The thermochromic Liquid Crystal used in Conductivity
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