Science Quiz for grade 2

Jul 14, 2020

*It will only show 2 choices to reduce complexity
*Fix the unsaved progress
*removed repeated keyword in review
*Update the UI with colorful color
*Result popup is no longer blocking the answer and question
*Progress data can now be viewed in Progress bar to make it understandable
*User can now play or take a quiz with 2 clicks only.
*Removed a bunch of unimportant question.
*Mispelling is already fix
*All blank(________) in the questions is already removed
*Missing choices in the button is fix