This is growth spurt time, kids ____ (1) about 20% of adult height and 50% of adult weight during ____ (2). Because growth and ____ (3) is so rapid during this period, the requirements for all nutrients increase. This is especially true of calcium and ____ (4). The best way to ____ (5) teen dietary changes is by ____ (6) information about short-term consequences that they can relate to: appearance, athletic ability, popularity and ____ (7) of life, because these are more important to most teens than long-term health. Calcium will ____ (8) them grow taller during their growth spurt. Iron will help them ____ (9) better on tests and ____ (10).

The correct answer is ____ (8)