This sucks

So I was doing my science homework which was look up some vocabulary words and so since I was on my iPad. I downloaded this. App so I turn to look up my first word which quantitative observation.... IT DIDNT HAVE IT so that night I got a bad grade on my homework. Im not blaming the app, but can someone please fix that . Thank you in advance.

Kobetoy about Science Glossary, v1.1.8