Unit 3 Vocabulary

Development Across the Lifespan — vocab list + interactive games to reinforce mastery.

Tip: use the sticky nav to jump between games works on desktop + mobile no logins, no external libraries

Master Vocabulary List (Unit 3)

Simple static list first, then games. Definitions are concise and AP-safe.

A. Developmental Themes

  • Developmental psychology: The study of physical, cognitive, and social change across the lifespan.
  • Nature vs nurture: The debate over the relative contributions of genetic inheritance and environmental factors to development.
  • Stability vs change: The question of whether traits persist or change across the lifespan.
  • Continuity vs stages: Whether development is gradual and continuous or occurs in distinct stages.
  • Critical period: A limited time during development when certain experiences are essential for normal development.
  • Sensitive period: A time when the brain is especially receptive to certain experiences, though development can still occur later.
  • Experience-expectant development: Brain development that depends on universal human experiences.
  • Experience-dependent development: Brain development shaped by individual, unique experiences.

B. Prenatal Development and Infancy

  • Zygote: The fertilized egg that enters a two-week period of rapid cell division.
  • Embryo: The developing human organism from about two weeks to eight weeks after fertilization.
  • Fetus: The developing human organism from nine weeks after conception to birth.
  • Teratogens: Harmful agents that can reach the embryo or fetus during prenatal development.
  • Fetal Alcohol Spectrum Disorder (FASD): Physical and cognitive abnormalities caused by prenatal alcohol exposure.
  • Habituation: Decreasing responsiveness with repeated stimulation.
  • Rooting reflex: An infant’s tendency to turn its head toward touch.
  • Attachment: An emotional bond between infant and caregiver.
  • Secure attachment: An attachment style characterized by trust and comfort with closeness.
  • Temperament: A person’s characteristic emotional reactivity and intensity.

C. Childhood Development

  • Schema: A concept or framework that organizes and interprets information.
  • Assimilation: Interpreting new information using existing schemas.
  • Accommodation: Modifying existing schemas to incorporate new information.
  • Object permanence: Awareness that objects continue to exist when out of sight.
  • Theory of mind: Understanding that others have mental states different from one’s own.
  • Conservation: The principle that quantity remains the same despite changes in shape.

D. Adolescence

  • Puberty: The period of sexual maturation.
  • Primary sex characteristics: Body structures necessary for reproduction.
  • Secondary sex characteristics: Nonreproductive sexual traits.
  • Prefrontal cortex: Brain area responsible for decision-making and impulse control.
  • Limbic system: Brain region involved in emotion and reward.
  • Identity: One’s sense of self.
  • Identity crisis: A period of exploration and questioning during adolescence.

E. Adulthood and Aging

  • Emerging adulthood: A transitional phase between adolescence and full adulthood.
  • Menopause: The natural cessation of menstruation.
  • Crystallized intelligence: Accumulated knowledge and skills.
  • Fluid intelligence: Ability to reason speedily and abstractly.
  • Social clock: Culturally preferred timing of life events.

F. Gender and Sexual Orientation

  • Sex: Biological characteristics such as chromosomes and reproductive anatomy.
  • Gender: Social and cultural roles, behaviors, and expectations.
  • Gender identity: One’s internal sense of gender.
  • Gender expression: External presentation of gender.
  • Sexual orientation: Enduring pattern of romantic or sexual attraction.
  • Continuum: A range rather than discrete categories.

Game 1: Four-Choice Quiz

Prompt shows a definition. Pick the correct term.

Score: 0 / 0
Definition
Press “Next Question” to begin.
Optional: switch prompt style

This toggles what you see as the prompt, but the game stays multiple choice.

Game 2: Flashcards

Tap to flip term/definition. Use Shuffle to mix.

Card: 0 / 0

Press Next to begin

Hint: Students can self-grade: “knew it / kinda / no idea.”

Game 3: Type the Term

Read the definition and type the matching term. Accepts minor punctuation/case differences.

Score: 0 / 0
Definition
Press Skip to get your first prompt.

Keyboard: Enter to submit • Esc to reveal answer

Feedback

Game 4: Matching

Click a term, then click its matching definition. Clears when all matches are complete.

Matches: 0 / 0

This round uses a subset for speed. Great for pair work.

Terms
Definitions

Game 5: Category Sort (Drag & Drop)

Drag each term into the correct Unit 3 category bucket.

Correct: 0 / 0

On mobile: tap a term chip, then tap a bucket to place it.

Term Pool
A. Developmental Themes0
B. Prenatal + Infancy0
C. Childhood Development0
D. Adolescence0
E. Adulthood + Aging0
F. Gender + Orientation0

Teacher Support

Fast pacing

  • Run Game 1 for 8–10 questions as whole-class warmup.
  • Then pairs: Game 4 Matching (new round) twice.
  • Exit ticket: Game 3 typing for 5 prompts.

Slower pacing

  • Flashcards first (Game 2): students self-rate.
  • Game 5 Category Sort: discuss why each belongs.
  • End with Game 1 to check retention.

Note: everything here runs locally in the page. No student data stored. Refresh = clean slate.