End of Unit 3 Quiz Review

In Scratch, which of these code blocks are booleans?

• Sensing blocks

• Stack blocks

• Variables blocks

• Event blocks

In Scratch, which of these code blocks are booleans?

• Cap blocks

• Stack blocks

• Variables blocks

• Operators

What shape are booleans?

• rectangles

• ovals

• hexagons

• trapezoids

In Scratch, __ is when the overlap of one or more objects is detected.

• open source

• collision detection

• Variables detection

• a conditional statement

Software whose source code is freely available and can be revised and redistributed as one wishes is called _ _ code. (two words)

(a)  

A(n) __ has multiple possible outcomes based on certain conditions being met.

• open source

• boolean

• conditional statement

• event block

In scratch, a "hat block" ___.

• prevents bugs

• stops all action

• changes backdrops

• starts script

A _ is a statement which must be true or false.

(a)  

Where can boolean blocks be found in Scratch?

• Events and Sensing

• Sensing and Operators

• Operators and variables

• Sensing and Variables

• Events and Operators

Which code blocks have openings to which you can add other blocks?

• C blocks and E blocks

• C blocks and Hat blocks

• Cap blocks and E blocks

• Hat blocks and Cap blocks