Variables and Their Uses

What is a variable?

• A container that stores changing information

• A button in a game

• A background image

Why is it called a variable?

• Because its value can change

• Because it's invisible

• Because it controls sound

Why should you name variables clearly?

• It makes your code easier to understand

• It takes up less space

• It runs faster

What does score = score + 10 do?

• It increases the score by 10

• It deletes the score

• It resets the score to 10

What happens when health = health - 1 is used?

• Health goes down by 1

• Health resets to 0

• Health doubles

What is a number variable good for?

• Storing scores, health, or money

• Creating music

• Changing background color

What does a countdown variable track?

• Time left during a challenge

• How many enemies you beat

• What level you are on

What's the purpose of gemsCollected = gemsCollected + 1?

• It counts items the player collects

• It controls sprite movement

• It creates a new scene

Why are variables important in games?

• They help the game remember changing info

• They create background music

• They open new levels automatically

What real-world thing is like a variable?

• A phone contact name

• A wallpaper pattern

• A light switch