Circular Perspex Block for Refraction Science at Home_Earth Science Use for investigation of gas

Use for investigation of gas at constant volume By inserting the glass bulb into either warm or cold water the expansion and contraction to the air contained in the bulb can be seen as a pressure change on the gauge

and raised molded graduations

Greatly magnified HIV virion model separates into two parts exposing the outer envelope and interior capsid with RNA

and classroom precision measurement

Circular Perspex Block for Refraction Science at Home_Earth Science Use for investigation of gasRound perspex refraction block, the curved face geometry letting beams enter along any radius for clean Snell's law angle work in ray box and refraction setups.