Here’s a possible way to complete the passage using the words from the box:

Today, childhood is spent (1) **mostly** indoors, watching television, playing video games and surfing the Internet. When children do go outside, it tends to be for scheduled events soccer camp or a fishing derby – (2) **held** under the watch of adults.

The (3) **shift** to an indoor childhood has accelerated in the past decade, with huge (4) **declines** in spontaneous outdoor activities such as bike riding, swimming and touch football, according to separate studies by the National Sporting Goods Association.

In addition, a child is six times more likely to play a video game on a typical day (5) **than** to ride a bike. The change can be seen in children’s bodies. In the 1960s, 4% of kids were (6) **obese**. Today, 16% are overweight. It can also be seen in their brains. Studies (7) **indicate** that children who spend lots of time outdoors have longer attention (8) **spans** than those who watch lots of television and play video games.