Scholarship Earth and Space Science

www.earthspacescience.org.nz/resources/scholarship 

These are the go-to people for Earth and Space Science in NZ. They're led by Jenny Pollock, who is an incredibly experienced Scholarship coordinator and teacher. 

www.nzqa.govt.nz/qualifications-standards/awards/new-zealand-scholarship/scholarship-subjects/earth-and-space-science/ 

You need to download a ZIPF file. A quick Google search of an exam paper (e.g. "Scholarship earth and space science 2020") will pull up a PDF version.