Question

A. Fill in the blanks. 1. We can perform 2. The Scratch. operations in Scratch. Block Palette can be used to perform mathematical functions in 3. The four basic calculations offered in Scratch are and 4. The block can be used to bounce a ball in Scratch. a 5. In the Control block, the block runs the Script when the specified key is pressed​

Answer 1

Answer:

COMPUTER APPLICATIONS –CLASS IX

SCRATCH –ANSWER KEY

QI. Fill in the Blanks.

1. REPEAT is a block to replay an action for a specific number of times.

2. NEW BACKDROP icon is used to change the background of the stage.

3. SCRATCH was designed by MITCHEL RESNICK.

4. CAP block is used to end the script.

5. GREEN FLAG is used to start the PROJECT.

6. POINT TOWARDS block changes the direction of the sprite.

7. BOOLEAN block is used to hold numbers as well as strings.

8. MOTION block controls the movement of the sprite.

9. CIRCULAR ARROW enables full rotation of the sprite.

10._GROW___ button increases the size of the sprite.

11.SHRINK_ button decreases the size of the sprite.

12._____STOP_ button is used to stop the project at the time of execution.

13._HIDE______________ makes the sprite disappear from the stage.

14_.sb2_is the extension of a scratch file.

15.___CLEAR____ block is used to remove all marks made by pens and stamps.

16.PEN(SET PEN SIZE TO : 10) block sets the pen size to a specific value.

17.PEN(SET PENSHADE TO : ) block sets the pen colour to a specific colour.

18. go to x: y : _______ is used to place the sprite at a given value of x and y.

19.___CIRCULAR ARROW___ enables full rotation of a sprite.

20.MOTION block moves the sprite by a specified number of steps.

21. HAT BLOCK is used to start a script.

22.CAP BLOCK is used to stop a script.

23._DUPLICATE, DELETE, GROW AND SHRINK are the cursor tools.

24. SCRIPT is the collection of stepwise instructions given t