Scratch Unit 2 Vocabulary

The computational concept of running the same sequence multiple times.

• Parallelism
• Events
• Broadcast
• Loops

The computational concept of making things happen at the same time.

• Parallelism
• Events
• Broadcast
• Loops

The computational concept of one thing causing another thing to happen.

• Parallelism
• Events
• Broadcast
• Loops

A message that is sent through the Scratch program, activating receiving scripts.

• Parallelism
• Events
• Broadcast
• Loops

An image that is defined by a two-dimensional array (grid) of discrete color values (a.k.a. pixels). 

• Parallelism
• Control
• Vector
• Bitmap

An image that is defined by a collection of geometric shapes (e.g., circles, rectangles) and colors. 

• Parallelism
• Control
• Vector
• Bitmap

One of the ten categories of Scratch blocks. They are color-coded gold, and are used to control scripts.

• Parallelism
• Control
• Vector
• Bitmap

An illusion of continuous motion created by the rapid display of a sequence of still images with incremental differences.

• Gallery Walk
• Presentation Mode
• Animation
• Broadcast

A sharing activity in which students put their projects in presentation mode and then walk around and explore each other’s projects.

• Gallery Walk
• Presentation Mode
• Animation
• Broadcast

A display mode in Scratch that allows projects to be viewed at an enlarged size. It is accessed by pressing the button on the top left of the Scratch program.

• Gallery Walk
• Presentation Mode
• Animation
• Broadcast