Psychology Unit 3 Crossword

5. adulthood a period from about age 18 to the mid-twenties, when many in Western cultures are no longer adolescents but have not yet achieved full independence as adults.
6. Stage in Piaget’s theory, the stage (from birth to nearly 2 years of age) at which infants know the world mostly in terms of their sensory impressions and motor activities.
10. Operational Stage in Piaget’s theory, the stage of cognitive development (from about 7 to 11 years of age) at which children gain the mental operations that enable them to think logically about concrete events.
11. Stage In Piaget’s theory, the stage (from about 2 to 6 or 7 years of age) in which a child learns to use language but cannot yet perform the mental operations of concrete logic.
12. being productive and supporting future generations
13. the study of the molecular ways by which environments can influence gene expression (without a DNA change).

1. study research that compares people of different ages at the same point in time.
2. the biochemical units of heredity that make up the chromosomes; segments of DNA.
3. Twins individuals who developed from a single fertilized egg that split in two, creating two genetically identical siblings.
4. operational Stage in Piaget’s theory, the stage of cognitive development (normally beginning about age 12) at which people begin to think logically about abstract concepts.
7. studies research that compares people of different ages at the same point in time.
8. agents, such as chemicals or viruses, that can reach the embryo or fetus during prenatal development and cause harm.
9. threadlike structures made of DNA molecules that contain the genes.