From the 'hot corner' of a baseball diamond to the 'Ring of Fire,' prove you're actually smarter than a 13-year-old.
What 3-pound organ acts as the body's control center and is approximately the size of two clenched fists?
Brain
What official California state animal is depicted on the state's Great Seal eating a cluster of grapes?
Grizzly bear
In motorsports like NASCAR and Formula 1, what color flag is waved to signal that the track is clear and drivers can proceed at full speed?
Green
Which icy river did George Washington and his Continental Army cross on Christmas night in 1776 to launch a surprise attack on Trenton?
Delaware River
According to Newton's law of universal gravitation, what primary factor besides the masses of the objects determines the strength of their gravitational pull?
Distance