TASK DEFINITION: Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.
PROBLEM: Fact: melting means changing from a solid into a liquid by increasing temperature. 
Question: what is increased to cause something to change from a solid into a liquid?

SOLUTION: temperature.

PROBLEM: Fact: temperature can change the state of matter. 
Question: What can change the state of matter?

SOLUTION: temperature.

PROBLEM: Fact: Animals use saturated fatty acids to create stationary potential energy. 
Question: Animals use saturated fatty acids to create what?

SOLUTION:
stationary potential energy.