US$ 32.99
Polaroid film 45 x 23mm sits in 50 x 50mm plastic frames as a matched pair
digital display that allows you to setup experiments
Ceramic center on each 5 x 5-inch iron wire gauze square spreads Bunsen flame heat beneath beakers and flasks
Used to position a fine point object on the optical bench
5mm retort rods to mount two burettes for comparative work
Introduction to Chemical Equations Educational Kit ag sci Polaroid film 45 x 23mmHands on chemical equations kit with reaction materials and a teacher's guide, letting students observe real reactions and translate observations into balanced equations during intro chemistry.
US$ 32.99
US$ 12.00
US$ 68.00
US$ 62.99