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What is Einstein? A. A school B. A famous scientist C. A type of animal What is a prodigy? A. A very smart child B. A toy C. A big house What does observant mean? A. Very loud B. Good at noticing things C. Very fast What does tremble mean? A. To eat B. To shake a little C. To run fast What does invisible mean? A. Very big B. Cannot be seen C. Very hot What is force? A. A color B. A push or pull power C. A sound What is a mechanism? A. A toy B. How something works inside C. A place What do