You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.

Q: In gym class a student kicks a soccer ball high into the air. As the ball goes upward, which type of energy is increasing?  
 (A) kinetic energy (B) thermal energy (C) potential energy (D) mechanical energy

A: C
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Q: A student is asked to bring something that feels rough to class. Which would be BEST for him to bring?  
 (A) Pillow (B) Marble (C) Sandpaper (D) Trading card

A: C
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Q: Which is the best example of a chemical reaction?  
 (A) blocked sunlight casts a shadow (B) sunlight evaporates water from a lake (C) oxygen absorbs sunlight forming ozone molecules (D) a prism refracts sunlight into light of different wavelengths

A:
C
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