TEALS Unit 2 Tips¶

Snap! Tips¶

Terms introduced in the unit that you may consider adding to a classroom Word Wall.

Word	Definition
Loop	A type of block that causes other code to run multiple times in succession. A control flow statement that allows code to be executed repeatedly based on a given Boolean condition.
Nested Loop	A loop used inside the body of another loop.
Conditional	A block used to make a choice between executing two different chunks of code.”If” statements.
Variable	A placeholder for some value. Types of variables: Global variables - apply to all sprites Sprite variable - applies to one sprite Script variable - parameter that applies to one script
Boolean Expression	A value (text, number, picture, etc.) that evaluate to true or false.
Boolean Operators	Boolean expressions that can be nested.
Function/Methods	Other programming languages, like Python or Java, use these terms to refer to the same idea as a Custom Block in Snap! a reusable.
Truth Tables	A tool for evaluating the possible inputs and outputs of a Boolean expression.
Modeling	Building a system to simulate the behavior of a real-life phenomenon by simplifying or ignoring certain details.