Thermal Conductivity Bars Age 4-5 reed switch

reed switch

• Conductors and insulators

critical thinking

7 Quad Disc

These colourful tongs are the right size for young children to practise the pencil grip in preparation for learning to write

Thermal Conductivity Bars Age 4-5 reed switchThe 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