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2. “Sounds” block.
3. This block is used to set the pitch effects of sounds to a particular value.

4. This block is used to play the sound in earphones. It will change the ear from where
sound is played. If value is +ve, it means sound will play more from Right ear. If value is
-ve, it means sound will play more from Left ear. If the value is 0, means sound will play
normal. which we will give. So, -100 means sound plays completely in left ear and -100
means sound plays completely in right ear in headphones.
5. This block is used to increase or decrease the volume of sound by a particular value. If
value is a +ve number then sound will increase and when the value is a -ve number then
sound will decrease.

A. Answer the following questions:

1. This block is known as c-block, which is used to repeat the blocks of instructions till
some condition is false. If the condition becomes true, then it stops the blocks written
inside this block rather runs the next instructions written after the repeat block.
2. “Control” block

3. “repeat” block will run the blocks of instructions written under it until the condition
becomes false, while “forever” block will run the blocks of instructions written under it
infinite times.

4. “if...then… else” block is also known as “c-block”, which is used for asking the questions
and returning the answer in True or false. If condition is true, then the blocks written
inside this c-block will be executed once, otherwise the blocks written inside the “else”
block will be executed once.

5. “stop all” block is a “cap” block, it will stop all the scripts running in scratch project,
either on this sprite or any other sprite.
6. “play sound until done” block is a stack block and this block chooses the sound and
play it and finishes it before moving to the next script means pause the script till it
ends.

7. “cap” block is the block which ends the script here, means no more block can be added
after that block. We can also say it as the reverse of “hat” block. “Hat” block is the
start of the script and while “cap” block is the end of the script.

8. 3 blocks are available under extension “Text to Speech”.

B. Fill in the blanks.
1. “cap” block, ends the script.

2. “touching mouse-pointer” block is under the “Sensing” block.
3. “stop this script” block is used to stop all the codes of only the sprite where it is written.

4. “touching sprite?” block is used for checking whether the sprite2 is touching the sprite
under which code is written.

108 KVS DELHI REGION 2025