App Lab Variables

Which code block do we use to declare a variable. (Create for the first time)

• 
• 
• 
• 

After we have declared the variable, which code block can be used to utilize the variable? (Does not declare the variable)

• 
• 
• 
• 

What code block can be used to increase the value of the variable by 1?

• 
• 
• 
• 

Read the code and determine what the result will be

• When the button is clicked, the variable increases and the screen changes

• When the button is clicked, the variable decreases and the screen changes

• When the button is clicked, the variable decreases and the text changes

• When the button is clicked, the variable decreases, the text changes, and a sound is played

Which of the following is a correct variable name?

• temp

• "temp"

• temperature up

• "x"

True or False

Variable names have quotation marks around them

• True

• False

True or False.

An image can function like a button by using an "on event" and "click" code block.

• True

• False

Review the code.

What variable is being utilized in the example code?

• "submit"

• score

• "winscreen"

• "losescreen"

Read the code.

What change if any should be made to the attached code?

• The variable should be in quotation marks

• The score should be subtracting 1 instead of adding 1

• Var is only needed to declare the variable once. The second purple block should not say var.

• The code works as intended and no change is needed

Variables can be used to keep track of... (You can select multiple answers)

• Lives

• Health

• Points

• Temperature