TASK DEFINITION: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
PROBLEM: Question: Louis notices that Neptune is farther from the sun than Mercury. Which planet will take longer to rotate around the sun? 
 Answer: Neptune

SOLUTION: The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.

PROBLEM: Question: Will small pieces have more or less surface area than one large piece? 
 Answer: more

SOLUTION: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.

PROBLEM: Question: The darkest magma-produced minerals probably have _____ amounts of silica. 
 Answer: lower

SOLUTION:
Magmas that produce lighter colored minerals are higher in silica.