The age that a child begins to vocalize pleasure and displeasure.

The period of time when the brain grows the fastest.

The number of back and forth exchanges during an interaction with your child.

By this age, a child can say 2-3 words to label a person or object.

The term used to describe someone who knows two languages.

Infants express pleasure nonverbally by doing this.

The number of vocabulary words a child typically uses by age 3.

These are strengthened by physical touch.

A musical activity that help children develop vocabulary.

By this age range, you understand the phrase "no-no"

The size of a child's brain by age 5.

The type of books that help toddlers develop predictability and meaning.

By 3-5 years old, a child will do this to show interest or curiosity about a topic or experience?

The leading early child development expert who leads work at Havard University.

The adult action that will help build the most vocabulary.