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.

Question: Dell added lots of silica to her magma project. The magma will be _____ in color. 
 Answer: lighter
Magmas that produce lighter colored minerals are higher in silica.

Question: Milo was moving some metal balls around. If he were to move the balls closer together, what would happen to the force of gravity? 
 Answer: increase
Objects that are closer together have a stronger force of gravity.

Question: Olive and Jean were collecting rocks during a hike, they collected too many rocks so the two girls decided to leave some rocks behind to come back to later. Olive decided to bury her rocks in the dirt, and Jean decided to leave hers in a ditch in the sun. When they returned a week later, which girl's rocks changed the least? 
 Answer: Jean

With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.