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4. This block checks whether the sprite is clicked or not. If sprite is clicked then blocks
written under it will be executed.
5. This block is used to change the colour of the sprite by a value, which you want.

Check Your Knowledge (Page 83)

1. “choose a backdrop” icon
2. True

3. This block is used to choose the specific background of stage from the list of backdrops,
chosen by us already.
4. Nine

5. “next backdrop” block

A. Answer the following questions:
1. This block is used to fly the sprite to a random position on the stage in 1 second.
2. In Scratch, 9 blocks are available.

3. “Glide… sec to random position” block is used to fly or float the sprite to a random position
on the stage.
4. “switch backdrop to…” block is available under “Looks” block.
5. “set size to…” block is used to increase or decrease the size of the sprite.

B. Fill in the blanks.

1. “Looks” block. 2. “choose a backdrop”.
3. “Change color effect by…” 4. clearing the colour effects applied before.
5. Nine

Chapter 9

Exercise

Check Your Knowledge (Page 90)
1. True 2. “Control” block
3. “forever” block is used to repeat the blocks for infinite number of times, written inside
the block.

4. inside

A. Answer the following questions:
1. Duplicate the sprite. 2. Upload sprite. 3. “forever” block.
4. “Control” block. 5. “paint” option in “choose a background” icon.

B. Fill in the blanks.
1. pull-down 2. 3. hover 4. ” duplicate the sprite”
5. Five

102 KVS DELHI REGION 2025