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Snap 2.1 using the pen

Last updated about 5 years ago
6 questions

Getting started


Open Snap and save a new project as 2.1 using the pen.


In each section below, complete the steps shown in the images and answer the questions that follow.


Pen experiment #1

Experiment with drawing with the pen as shown in the steps below.

📼 Here is an ANIMATION of the process.
1

What does the script do?


Clearing the screen

Build a script that you can use to clear the screen with the click of a key.

📼 Here is an ANIMATION of this process.
1

Why is it important to put the GO TO block first, before the CLEAR block?


Pen experiment #2

Try the experiment below.
1

What does "hue" mean?


Pen experiment #3


Pen experiment #4

1

Which block is the most efficient to change / reset the pen size back to 1?

1

What is the difference between SET blocks and CHANGE blocks?

For some reason, these blocks are tiny. Click on a block to zoom in.

Draggable itemCorresponding Item
makes the pen size grow by 1 each time it is clicked
makes the pen size equal to 1 no matter how many times it is clicked
makes the pen a certain color (a sort of orange)
changes the pen color each time it is clicked


What draws a line?

Experiment to see when the sprite will draw lines.
1

If the pen is down, when will the sprite draw a line? Choose all correct answers.


Adding comments

📼 Here is an ANIMATION of this process.

Pen experiment #5

Experiment a bit more with drawing. Clear the screen as necessary.

📼 This ANIMATION covers parts b-d below, and this ANIMATION covers part f.


Your own creation (turn in image in Canvas)


Now use what you know about the pen to make a cool design of your own.

Follow the steps below to save a picture of the stage, then turn in the image in Canvas.