What do lice feed on? How is hail formed? What distinguishes a frog from a toad? A scientific trivia quiz about the ten plagues of the story of Passover
Ettay Nevo/Davidson Institute of Science Education|Updated:
The commenter agrees to the privacy policy of Ynet News and agrees not to submit comments that violate the terms of use, including incitement, libel and expressions that exceed the accepted norms of freedom of speech.