An example of a grad-school level question?
Some students were investigating the relationship between position, time, and speed. The students marked the initial position of a toy car. The students set the car into motion and marked the position of the car each second. Which of these are most appropriate for recording and analyzing the students' data?

An example of a grad-school level question?
Which organ removes cell waste from the blood?

An example of a grad-school level question?
A child walks across a carpet and generates an electrical charge. The child will get a slight shock by touching a

An example of a grad-school level question?
The tendency of a stationary object to resist being put into motion is known as