Science resoruce website for junior students and NCEA students : we recommend to be using nobraintoosmall! It's a great website for all years for different cue cards, questions from past papers for nzqa and juniors. There are also many other resources that you can use! Nobraintoosmall also provides other science websites in their links page which you can get help from and they are very useful websites!
Link: http://www.nobraintoosmall.co.nz/