CSE 1 Check for Understanding Unit 1

Which of these vocabulary words is "an action that causes something to happen"?

• Intializing

• Event

• XY Coordinate Grid

• Parallelism

Which of these Scratch commands could be used to move a sprite to the center of the stage?

• 
• 
• 

Which of these Scratch commands would glide a sprite to the location (X = 200, Y = 0), in 3 seconds?

• 
• 
• 

In the sequence of blocks, what will happen when the space key is pressed?

• The sprite will say Hello for 2 seconds, then glide for 1 second to the location (-50, 0).

• The sprite will glide for 1 second to the location (-50, 0), then say Hello for 2 seconds.

• The sprite will glide for 1 second to the location (0, -50), then say Hello for 2 seconds.

True or false: Working with a diverse group of people is very important in computer science.

• True

• False

Which of these blocks is often used to initialize, or reset, a value in a Scratch program?

• 
• 
• 

When the message "Food" is broadcast, one or more of the code blocks below will receive it. What will happen? (Hint: You can select more than one option.)

• 
• 
• 
• 

Scratch Cat has the code blocks below. How can Pico make Scratch Cat say hello?

• 
• 
• 
• 

Which of the code blocks below is an event: an action that causes something to happen?

• 
• 
• 
• 

What phrase best describes the code blocks below?

• These code blocks are used to reset, or initialize

• These code blocks are used in pair programming

• These code blocks are used to broadcast a message