21.   He has suddenly remembered that he has forgotten the bag that holds the raw data for his science fair project.

22.   He had told a suspicious teacher that the bundle was part of a science project.

23.   He is fascinated by the group dynamic, observing behaviors as if his film subjects were part of a high school science project.

24.   He told a mildly suspicious teacher that it was his science project.

25.   His arrival at City Hall might be compared with opening a petri dish of an overripe science project.

26.   I am working on a science fair project and cannot find any information on which brand of microwave popcorn leaves the fewest kernels after being popped.

27.   His science project is a musical Web site for kids with acne.

28.   I did my seventh-grade science fair project on acupuncture.

29.   In a bad economy, large science projects would likely be among the first cut, he said.

30.   If science fair projects are any indication, kids love volcanoes.