Biology 4 kids
Biology4 Kids: Quiz: Cell Nucleus
Take this ten-question review quiz over the nucleus of a cell. Read more about each question after an incorrect answer is given.
Biology 4 kids
Biology4 Kids: Cell Nucleus Commanding the Cell
A brief description of the central control center of every cell, the nucleus.
National Geographic Kids
National Geographic Kids: Quiz Whiz: The Brain
Take this interactive, ten-question quiz about the human brain. Read facts about this important organ after each questions is answered, and then get your score.