- Gas costs, budget cuts and test pressures have led some schools to cut field trips
- One Atlanta school took all its 750 students to a museum as a one-day learning experiment
- Researcher: Some field trips aid critical thinking, social tolerance and historical empathy
(CNN)It was just after lunchtime, and 17 kindergartners huddled around a table marked with paint. Teacher Lindy Shoemaker held a vase covered in small objects: an "I <3 Tennis" keychain, a LEGO flag and other goodies the students brought from home.