De DCS BOOS When the P. E. teacher asks you to play a game with a hula hoop, which type of force is responsible for keeping
the hoop moving around your waist?
A inertia
B. unbalanced
C motion
D. acceleration

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities