) Match the intellectual developments with the age range at which they first occur, then categorize them. Some answers may be used more than once. Age Range Category attain knowledge very curious about new objects and constantly explores environments engages in symbolic play attain knowledge often poses questions to learn about their environment enters the linguistic stage during which they use holophrases 12-36 months uses sight, smell, hearing, touch, and taste engages in role play 16-23 months uses two-word sentences with correct grammar in telegraphic speech understands time better possesses a 200-word receptive vocabulary solves problems by testing different solutions explores cause and effect points to get others' attention