Problem: What tanker spilled oil in Prince William Sound?
======
A: exxon valdez

Problem: What two word phrase means the smallest amount of fissile material needed for a sustained nuclear chain reaction?
======
A: critical mass

Problem: Who sang '99 Red Balloons'?
======
A: nena

Problem: Who was Children's Laureate between Michael Morpurgo and Michael Rosen?
======
A:
jacqueline wilson