question: Write a question you would see in a school textbook. OPTIONS:
- using heat to burn a log in a fireplace
- using light to produce sugar in plants
- a cake that was baked from many ingredients
- a bottle that was broken into many small pieces
answer: As part of a study, a scientist observed a number of different molecular changes in matter. Which of the following observations provides evidence of a physical change?


An example of a grad-school level question?
When a battery operated train is turned on, it moves along the track. Which best identifies the order of the types of energy used to make the train move?


I just took a test in school today. What question was I asked?

Question I was asked: Corn is widely being used in the United States to make ethanol for use in automobile fuel. How might the overproduction of corn negatively affect the environment?


Random question?

Which are produced during photosynthesis?


Generate a question

Question generated: Many horses grow a heavy coat in autumn and shed that coat in spring. Scientists were not sure if temperature or the amount of daylight per day (called the photoperiod) caused the change. So, they conducted an experiment and concluded that the change in photoperiod was responsible for the biological changes. Shedding caused by which set of conditions would have helped them arrive at this conclusion?


question: Write a question you would see in a school textbook. OPTIONS:
- cooling of flowing magma.
- converging of crustal plates.
- deposition of river sediments.
- solution of carbonate minerals.
answer:
A fold observed in layers of sedimentary rock most likely resulted from the