This printable crossword puzzle has 10 clues. Answers range from 3 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
What food item did Nicholas test his invention with?
Nicholas Perez competed in a ______________ ________ that brought students together from across the U.S.
The crystal chemical in diapers is called ______________________.
The air gap between the shelter and firefighter is used to resist ________________________ heat, the type of heat transferred when molecules bump into each other.
Because Nicholas wants to sell his invention for use by firefighters he is getting a _________________.
What is the unexpected product that Nicholas experimented with?
The crystals in his invention are held in place with a cotton cloth and are meant to protect a firefighter from __________________ heat, the transfer of heat by moving air.
Nicholas Perez looked for a material from which to make a better ______ __________________.
How old is Nicholas Perez?
To keep firefighters from burning he needed to find a material that absorbed and retained ______________.