Snap!

Misconception: Students think you can use the “item (any) of (list)” block in Snap! and Scratch to check for every item in a list, but this block actually returns a random item.

Share Misconception: Students think you can use the “item (any) of (list)” block in Snap! and Scratch to check for every item in a list, but this block actually returns a random item. with FacebookShare Misconception: Students think you can use the “item (any) of (list)” block in Snap! and Scratch to check for every item in a list, but this block actually returns a random item. with Twitter

Misconception: Students incorrectly believe that variables passed into a block in Snap! will get modified; however, a copy of the passed-in variable is what the block receives and modifies.

Share Misconception: Students incorrectly believe that variables passed into a block in Snap! will get modified; however, a copy of the passed-in variable is what the block receives and modifies. with FacebookShare Misconception: Students incorrectly believe that variables passed into a block in Snap! will get modified; however, a copy of the passed-in variable is what the block receives and modifies. with Twitter

Mention to students that individual blocks in Scratch and Snap can be tested by double clicking them in the block library so they know this useful, non-intuitive trick for learning what an individual block does.

Share Mention to students that individual blocks in Scratch and Snap can be tested by double clicking them in the block library so they know this useful, non-intuitive trick for learning what an individual block does. with FacebookShare Mention to students that individual blocks in Scratch and Snap can be tested by double clicking them in the block library so they know this useful, non-intuitive trick for learning what an individual block does. with Twitter
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