Chemistry lesson notes that cover the pH and pOH theory and calculations for how acidic or basic a chemical solution is. The notes cover; pH and pOH scales Mathematical equation for pH calculation Rules for acidic and basic solutions using pH values Basic rule for using figuring out the pH value Example problems about pH and pOH value calculations with step-by-step answers The notes are in slideshow file to enable students and teachers to edit or add content to the file.

Class notes that cover the unit circle and now it is related to trigonometry. It starts first with a brief introduction to what is a unit circle. Then, it uses trigonometry to explain who the unit circle could used and some example problems are provided to show its usages.

Kouyoushi style Worksheets with both tracing and empty space for practicing handwriting for hiragana characters for beginner level Japanese language student. An empty sheet is also provided to practice other characters of choice. Perfect for use as handwriting practices, exam reviews and homework.