Examlex
Which early scientist proposed that cells arise only from pre-existing cells?
Pretend
To act as if something is the case when in fact it is not, often used in imaginative or role-playing scenarios.
Symbols
Objects, characters, figures, or colors used to represent abstract ideas or concepts.
Concrete Operational Thought
A stage of cognitive development in children, as defined by Piaget, where they can think logically about concrete events but struggle with abstract concepts.
Sleep Terrors
Intense episodes of fear that occur during sleep, often accompanied by screaming, kicking, or panicking, without the sleeper fully waking up.
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