Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
Dandelion (Taraxacum Officinale), Dandelion belongs to the Asteraceae family of composite flowers. Characterized by numerous florets arranged in a dense inflorescence that is contained by overlapping green bracts that open and close to protect the flower
Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
Model Respiratory Organ, unbreakable life-size model is distinctively colored to illustrate anatomical detail. Includes diaphragm, aorta origins of five abdominal arteries, three thoracic and lumbar vertebrae, sectioned left lung, Dimension: 16x9x71/2 in