In front of chris, tasha pours the same amount of water into both a short, fat glass and a tall, thin glass. she then asks chris which glass has more water. if chris is 10 years old, he is most likely to answer

. if chris is 10 years old, he is most likely to Neither glass

Children within the age of 7-10 old usually still experiencing a concrete operational stage. Children within this age group have developed the capabilities of logical thinking but still having a hard time to recognize abstract concept
Since the situation above is not an abstract concept, i think Chris will fully understand the situation