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c. The “change size by” block, changes the sprite’s costume.

d. There are eight categories of blocks.

3. Think and answer.

a. What are logical operators?

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b. What is the use of Looks blocks?
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c. Which block displays a speech bubble of the sprite for a specified amount of time?
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d. When do you use the Control block? Explain two Control blocks.
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e. What are the arithmetic operators? Give any two examples of arithmetic operators.
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f. Explain three relational operators.

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4. Look at the given blocks and write their functions.

a. start sound Meow ________________________________________________________

b. go to x: 0 y: 0 ________________________________________________________

c. set size to 100 % ________________________________________________________

d. wait 1 seconds ________________________________________________________

Blocks in Scratch 79