A kinetic study on the hydrolysis of methyl ethanoate Animation Play

A stable concentration of glucose in the blood Student activity Play

Absorption spectrum of Co(II) ions Whiteboard exercise Play

Acceptable indoor radon concentration Chart Play

Acid dissociation constant and pH (1) Student activity Play

Acid dissociation constant and pH (2) Student activity Play

Acid dissociation constant and pH (2) Whiteboard exercise Play

Acid dissociation constant for lactic acid Animation Play

Acidity reaction (hydrolysis) of metal ions Student activity Play

Acidity reaction (hydrolysis) of metal ions Whiteboard exercise Play

Acquired or inherited traits? Student activity Play

Active transport Student activity Play

Active transport Student activity Play

Active transport Animation Play

ADH secretion and salt concentration Illustration Play

Age-related changes in bony tissue Illustration Play

Age-related changes in cartilaginous tissue Illustration Play

Age-related changes in hearing Simulation Play

Age-related changes in joint cartilage Illustration Play

Age-related changes in the bone mass Illustration Play

Age-related changes in the efficiency of internal organ systems Simulation Play

Age-related changes in the human body Slideshow Play

Age-related changes in the nervous system Student activity Play

Age-related changes in the nervous system Whiteboard exercise Play

Age-related changes in the respiratory and circulatory systems Student activity Play