Intro to Variables: Score Tracker

1. Watch Intro to Variables Video

1. Build the Score Tracker App

• Initialize a Score variable with the value of 0

• Score Label which shows Score

• Create a Button which increases the score by 1

  • The Score label should show the change

• Create a Button which decreases the score by 1

  • The Score label should show the change

2. Watch the Video about using Conditionals and Logic Blocks

Challenge 1: add a conditional to make sure the score can never go below 0

• Add a conditional with a comparison operator (under 'Logic') to check if the score is equal

• Hint: You don't need an "else" to complete this challenge

Challenge 2: change the background color when the score is greater than 5

• Add a conditional with a comparison operator (under "Logic") to check if the score is great than five

Challenge 3: play a sound when the score is equal to 10

• Add a conditional with a comparison operator (under "Logic") to check if the score is equal to 10

• Add a sound component

• Upload a sound of your choice:

• Sound Bible

• Free Music Archive

• FreeSound.org