I similarly had a question on my 4th grade qualification exam. In the science section they asked a multiple choice question as to what would change the weight o

I similarly had a question on my 4th grade qualification exam. In the science section they asked a multiple choice question as to what would change the weight of a glass of water. One of the "wrong" answers was heating it... luckily I knew that I wasn't supposed to know relativity so I answered it correctly.