Inquiry game name
Tree structure

Object or form
A tree structure represents the hierarchical nature of something, event, or other entity in a graphical form resembling a tree of connected nodes, usually the broadest on top and the more specific on the bottom. For example, “What are the hierarchical elements of land types as used in climate science?”

Rules
1. There must be a path between any two nodes in the tree.
2. A tree does not contain any cycles or loops.
3. The path between any nodes must be unique.
4. A node has only one parent.
5. The connection between nodes must be valid.

Moves
1. Determine starting node.
2. Add child node.
3. Evaluate node and connections.
4. Revise node or connection.

Levels
1. Start
2. Nodes
3. Review