TASK DEFINITION: You are given a science question (hard-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.
PROBLEM: The best example of balanced forces is a  
 (A) car increasing speed. (B) bus parked in a garage. (C) ball kicked along a flat surface. (D) roller coaster slowing down on an incline.

SOLUTION: B

PROBLEM: A student uses a bar graph to display the amount of rainfall per week over a 3-month period. Which other method of presentation is appropriate for the data?  
 (A) a table (B) a pie chart (C) a photograph (D) a written paragraph

SOLUTION: A

PROBLEM: A thermometer is best used to measure  
 (A) air pressure. (B) kinetic energy. (C) potential energy. (D) wind movement.

SOLUTION:
B

