TASK DEFINITION: Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
PROBLEM: Question: How can you calculate the density of matter? Answer: by dividing its mass by its volume

SOLUTION: The density of matter can be calculated by dividing its mass by its volume.

PROBLEM: Question: Where does the process of digestion start? Answer: mouth

SOLUTION: Digestion starts in the mouth. When food is swallowed, it travels through the esophagus to the stomach. In the stomach, digestion continues and a small amount of absorption of nutrients takes place.

PROBLEM: Question: How do we describe chemical reactions? Answer: chemical equations

SOLUTION:
Chemical reactions are described using chemical equations.