Random question?

What motion causes day and night?

Generate a question

Question generated: Stretching is considered an important step before engaging in sports. In an investigation to see whether stretching before physical exertion reduces sports injuries, who would the control group most likely be?

Problem: Write a question you would see in a school textbook.

Answer: The reading on a barometer rises when the air

question: Write a question you would see in a school textbook. OPTIONS:
- become decomposers
- compete for food
- produce their own food
- mate with each other
answer: Different species of carnivorous animals that share the same habitat in an ecosystem may

An example of a grad-school level question?
Base your answer on the information below and on your knowledge of science. A baseball strikes the roof of a car and dents it. The paint on the roof begins to crack and chip, exposing the metal. The exposed metal on the roof rusts, eventually causing a small hole in the roof. Which event is a chemical change?

Random question?
The chemical formula for water is H_{2}O. What does the formula show about each element in the compound?