Playing Sports, Staying Healthy. Organized athletics are woven into the fabric of the American tradition. Millions of boys and girls participate in baseball, basketball, track and field, and other sports as part of club and/or school teams. In addition to its established health benefits, sports participation has been lauded for fostering such basic values as fair play, competitiveness and achievement.
The periodic table contains seven rows of elements. The lanthanide series belongs to row six as elements 57-71.
Find a âperiodâ of elements in each row of the table. There are 7 periods. Use the phrase âreading across a periodâ to read from left to right. 1  The periods are usually numbered 1 through 7 on the left hand side of the table. 2  Each period is bigger than the last. 3  This is associated with increasing energy levels of atoms on the periodic table.