​Match Each Item with the Correct Statement Below

question 30

Multiple Choice

​Match each item with the correct statement below.
-time interval during which a nucleus has a 50% probability of decaying

• A)​alpha particle
• B)​atomic bomb
• C)​atomic mass number
• D)​atomic number
• E)​beta particle
• F)​binding energy
• G)​half-life
• H)​hydrogen bomb
• I)​neutron activation analysis
• J)​neutron number
• K)​nuclear fission
• L)​nuclear fusion
• M)​tokamak

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Definitions:

Preoperational Stage

In Piaget’s theory, the second major stage of cognitive development, in which symbolic thought expands but children cannot yet use logic.

Sensorimotor Stage

This is the first stage of Jean Piaget's theory of cognitive development, where infants learn about the world through their senses and actions.

Concrete Operations

A stage in Piaget's theory of cognitive development where children aged 7-11 start thinking logically about concrete events but still struggle with abstract concepts.

Formal Operations

A stage in Piaget's theory of cognitive development (beginning around age 12) where individuals develop the ability to think about abstract concepts and logically test hypotheses.