TASK DEFINITION: Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
PROBLEM: Fact: an landfill is a source of pollution

SOLUTION: Landfills can cause?

PROBLEM: Fact: as the amount of water received by a plant increases , that plant will usually grow

SOLUTION: as the amount of water received by a plant increases , that plant will usually?

PROBLEM: Fact: if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk

SOLUTION:
When tree roots grow, sometimes they?