Texas
Moving Along
Solution

- Mike

- Tom

- Raj

- Sara
Explanation
Raj found a picture of the lightest object.
The kite is the lightest object. This must be Raj's object:

Mike's object is heavier than Raj's.
The
must be Mike's.
Sara's object is heavier than Mike's.
This must be Sara's object:
Tom's picture is of the heaviest object.
The heaviest object is the boat. This must be Tom's object: