Perspex Friction Rod Heat & Thermodynamics_Temperature & Heat and cervical spine for head

and cervical spine for head and neck anatomy teaching

Glass-flask leaf electroscope with a brass rod and aluminum leaf

used to map the circular field around a current-carrying wire and confirm the right-hand rule

SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts

Large-scale typical flower model with removable floral parts and a bisected ovary showing internal ovule arrangement for detailed botany instruction

Perspex Friction Rod Heat & Thermodynamics_Temperature & Heat and cervical spine for headLightweight and chemically stable, this Perspex acrylic rod gains a positive charge when rubbed with cloth, completing the triboelectric series alongside ebonite, glass, and nylon.