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?
Solids that are combined together and maintain their physical properties are best labeled as a

An example of a grad-school level question?
A student combined rice cereal with melted marshmallows. Which best describes what the student made?

An example of a grad-school level question?

In humans, the digestion process begins in