Physical Development
What milestone is typically expected by 1 year in terms of weight?
Doubles birth weight by 5-6 months, triples by 1 year
By what age should infants typically be able to say their first words (like “mama” or “dada”)?
By 12 months, infants usually say their first words.
What is the term for the anxiety that typically occurs when an infant encounters unfamiliar people around 6–8 months?
Stranger anxiety, which typically appears around 6–8 months.
What cognitive milestone is typically developed around 8-12 months, when infants understand that objects continue to exist even when not seen?
Object permanence.
What is the recommended amount of Vitamin D supplementation for infants under 1 year old?
400 IU/day of Vitamin D.
At what age do infants typically begin to sit up without support?
Around 6 months.
Which age group begins to combine two words into simple phrases (e.g., “want cookie”)?
Around 2 years old.
At what age do children begin asserting their independence and start the “no” stage?
Around 1–2 years old.
Which Piaget stage involves children developing the ability to think logically about concrete events, such as understanding cause and effect?
Piaget’s Concrete Operational Stage (around ages 7–11).
At what age should solid foods be introduced into an infant's diet?
At around 6 months.
What is the typical gross motor milestone achieved by toddlers around 2 years?
Begins walking around 2 years old.
What is the milestone in language development when children can form 3-4 word sentences?
Around 3–4 years old.
What is the term for the developmental stage where toddlers begin testing limits and saying "no"?
This is called negativism or the "no" stage, which is typical in toddlers.
At what age does a child begin to engage in symbolic play, like pretending to feed a doll?
Around 2–3 years old.
What is the recommended milk source for toddlers under the age of 2?
Whole milk should be given to toddlers until age 2.
When do children typically start developing refined motor skills such as tying shoes or writing?
Between 5–7 years, children begin to develop refined motor skills.
By what age do children usually expand their vocabulary to around 1,000 words?
Around 4–5 years old.
What term is used to describe the stage of adolescence where teens work on establishing their personal identity?
The Identity vs. Role Confusion stage occurs during adolescence.
In which Piaget stage do children develop the ability to think abstractly, reason hypothetically, and handle complex problems?
Piaget’s Formal Operational Stage (beginning around age 12).
What type of foods should toddlers be encouraged to eat to ensure balanced nutrition?
A balanced diet with fruits, vegetables, protein, and dairy.
At what age do children experience a significant growth spurt, leading to increased caloric needs?
Adolescents experience growth spurts, especially between ages 10–14 (girls) and 12–16 (boys)
At what stage in language development do children start to use more abstract concepts and express complex ideas?
During adolescence, around 12–18 years old.
What is the significance of peer influence during the adolescent years?
Peer influence is strong during adolescence as teens look for acceptance and validation.
What is the name of the stage where adolescents develop critical thinking and can make more complex decisions about their future?
Adolescents develop critical thinking and can make more complex decisions.
What are the two primary nutrients that are crucial for adolescents' growth, especially during puberty?
Iron and calcium are important for adolescents.