"There is a danger here a lot of children will feel that they have under achieved from these tests and that is not going to motivate pupils or teachers for that matter, " he said.
"They can keep switching testsfrom now until doomsday and it's not going to make a difference, " said James Borland, a professor at Teachers College at Columbia University.
Secretary Chu and a host of other scientists that have been involved in this from the very beginning are in Houston now, going through a series of tests before anything is conducted at the well.