Nathan answered with a question about his engineering model.

Zachary read the exchange and stayed out of it.

Both choices were allowed.

<strong>PART 11</strong>

Two weeks after the competition, Nathan came home furious.

He dropped his backpack beside the kitchen table and announced that he might withdraw from the regional research exhibition.

A teacher had suggested his project on low-cost water-quality sensors could qualify for a summer university fellowship.

The application required a parent or guardian signature and a record of previous participation.