\input format

\vbox{%
  \noindent\colorbox{head}{\vbox{
  \vskip1in
  \vbox to 0pt{%
    \hbox to \pdfpagewidth{%
      \hfil
      \title \color{white} Antlions%
      \hfil
      }%
    \vss
  }%
  \vskip3in}}%
  \vskip1pt
  \fullline{%
    \hfil
    \colo{%
      \include Essential Question and Hypothesis;hypothesis
      
      \include Abstract;abstract

      \input imagesone

      \include Background Information;background
    
      \input imagestwo
    }\hfil\colo{
      \include Materials;mats
      
      \include Methods;methods
      
      \include Voronoi Diagrams;voronoi
      
    }\hfil\colo{
      \include Results;results
      
      \include Variables;vars

      \include Experiment Notes;notes

    }\hfil\colo{
      \include Data Analysis;analysis

      \input imagesthree

      \include Conclusion;conclusion

    }\hfil
  }
}
\vskip 0pt plus 1filll
\fullline{\hfil\vbox to 0pt{\vss\pdfximage height 5in{../outputs/qr.png}\pdfrefximage\pdflastximage}}

\bye