{
"rubric":"Help the train move forward by typing the right answer to score, then click on the balloon and drop it on the correct wagon.",
"attempts":"2",
  "Questions":[
    ["Q1 A _____________ has no length, breadth, or thickness.","point"],
    ["Q2 A line segment has _____________ endpoints.","2"],
    ["Q3 A _____________ is a part of a line that starts at one point and goes on forever in one direction.","ray"],
    ["Q4 A shape with all sides closed is called a _____________ figure.","closed"],
    ["Q5  A _____________ is a closed figure made of straight lines.","polygon"]
 
  ]
}