Title: Blocks

Feedback shared by this category's questions, if right: Well done
Feedback shared by this category's questions, if partly right: Not quite there yet
Feedback shared by this category's questions, if wrong: Try again

Q: Checks to see if condition is false; if so, runs blocks inside and checks condition again. If condition is true, goes on to the blocks that follow.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Continually checks whether condition is true; whenever it is, runs the blocks inside.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: If condition is true, runs the blocks inside the if portion; if not, runs the blocks inside the else portion.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: If condition is true, runs the blocks inside.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Runs script below when it receives specified broadcast message.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Runs script below when specified key is pressed.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Runs script below when sprite is clicked.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Runs the blocks inside a specified number of times.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Runs the blocks inside over and over.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sends a message to all sprites, triggering them to do something, and waits until they all finish before continuing with next block.
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- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Waits specified number of seconds, then continues with next block.
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- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Waits until condition is true, then runs the blocks below [Image: 06].
- [Image] ([Image])
- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Runs script below when green flag is clicked.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sends a message to all sprites, then continues with the next block without waiting for the triggered scripts.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes a visual effect on a sprite by specified amount. (Use pull-down menu to choose effect.)
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's costume to next costume in the costume list. (If at end of the costume list, jumps back to first costume.)
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's size by specified amount [Image: 07].
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes Stage's appearance by switching to a different background.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes Stage's background to next background in the background list.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Clears all graphic effects for a sprite.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Displays sprite's speech bubble for specified amount of time.
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- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Displays sprite's speech bubble. (You can remove speech bubble by running this block without any text.)
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Displays sprite's thought bubble for specified amount of time.
- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Displays sprite's thought bubble.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Makes sprite appear on the Stage.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Makes sprite disappear from the Stage. (When sprite is hidden, other sprites cannot detect it with the touching? block.)
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Moves sprite back a specified number of layers, so that it can be hidden behind other sprites.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Moves sprite in front of all other sprites.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's current costume number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's size, as % of original size.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports Stage's current background number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets a visual effect to a given number. (Most visual effects range from 0 to 100.)
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets sprite's size to specified % of original size.
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- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's appearance by switching to different costume.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's x-position by specified amount.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's y-position by specified amount.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Moves sprite smoothly to a specified position over specified length of time.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Moves sprite to the location of the mouse-pointer or another sprite.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Points sprite in the specified direction. (0=up, 90=right, 180=down, -90=left)
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's x-position. (Ranges from -240 to 240)
- [Image] ([Image])
- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's y-position. (Ranges from -180 to 180)
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Rotates sprite clockwise.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets sprite's x-position to specified value.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets sprite's y-position to specified value.
- [Image] ([Image])
- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Turns sprite in opposite direction when sprite touches edge of Stage.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Moves sprite forward or backward.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Moves sprite to specified x and y position on Stage.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Points sprite toward mouse-pointer or another sprite.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's direction. (0=up, 90=right, 180=down, -90=left)
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Rotates sprite counterclockwise.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Adds two numbers.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Concatenates (combines) strings.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Divides first number by second number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Multiplies two numbers.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Picks a random integer within the specified range.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports closest integer to a number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports remainder from division of first number by second number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports result of selected function (abs, sqrt, sin, cos, tan, asin, acos, atan, ln, log, e^, 10^) applied to specified number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the letter at the specified position in a string.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the number of letters in a string.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if both conditions are true.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if condition is false; reports false if condition is true.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if either condition is true.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if first value is greater than second.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if first value is less than second.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if two values are equal.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Subtracts second number from first number.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes pen's color by specified amount.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes pen's shade by specified amount.
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- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes pen's thickness.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Pulls up sprite's pen, so it won't draw as it moves.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Puts down sprite's pen, so it will draw as it moves.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets pen's color to specified value. (pen-color=0 at red end of rainbow, pen-color=100 at blue end of rainbow)
- [Image] ([Image])
- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets pen's color, based on choice from color picker.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets pen's shade to specified amount. (pen-shade=0 is very dark, pen-shade=100 is very light)
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets pen's thickness.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Stamps sprite's image onto the Stage.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Clears all pen marks and stamps from the Stage.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Asks a question on the screen and stores keyboard input in the . Causes the program to wait until Enter key is pressed or check mark is clicked.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports a property or variable of another sprite.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports distance from the specified sprite or mouse-pointer.
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- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports keyboard input from the most recent use of [Image]. Shared by all sprites (global).
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the value of specified sensor. To use this block, you need a sensor connected to your computer. You can use this with a Scratch sensor board or with LEGO WeDo.
- [Image] ([Image])
- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the value of the timer in seconds. (The timer is always running.)
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the volume (from 1 to 100) of sounds detected by the computer microphone.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the x-position of mouse-pointer.
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports the y-position of mouse-pointer.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if computer microphone detects a sound volume greater than 30 (on scale of 1 to 100).
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if first color (within sprite) is touching second color (in background or another sprite). (Click on color patch, then use eyedropper to select color.)
- [Image] ([Image])
- [Image] ([Image])
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if mouse button is pressed.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if specified key is pressed.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if specified sensor is pressed. To use this block, you need to have a Scratch sensor board connected to your computer.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if sprite is touching specified color. (Click on color patch, then use eyedropper to select color.)
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets the timer to zero.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports true if sprite is touching specified sprite, edge, or mouse-pointer. (Selected from pull-down menu.)
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's sound volume by specified amount. Volume ranges from 0 to 100.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes sprite's tempo by specified amount.
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- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Plays a drum sound, selected from pull-down menu, for specified number of beats.
- [Image] ([Image])
- [Image] ([Image])
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Plays a musical note (higher numbers for higher pitches) for specified number of beats.
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- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Plays a sound and waits until the sound is finished playing before continuing with next block.
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- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's sound volume.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports sprite's tempo in beats per minute.
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- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Rests (plays nothing) for specified number of beats.
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- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets sprite's sound volume to specified value.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets sprite's tempo to specified value in beats per minute.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets the type of instrument that the sprite uses for play note blocks. (Each sprite has its own instrument.)
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Stops playing all sounds.
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- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Starts playing a sound, selected from pull-down menu, and immediately goes on to the next block even as sound is still playing.
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
- [Image] ([Image])
A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Adds the specified item to the end of the list. The item can be a number or a string of letters and other characters.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Allows you to create and name a new list. When you create a list, the blocks for that list will appear. You can choose whether the list is for all sprites (global) or just for one sprite (local).
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Changes the variable by specified amount. If you have more than one variable, use the pulldown menu to select the variable name.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Deletes all blocks associated with a variable.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Deletes the blocks associated with the list.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Hides the variable monitor so it is not visible on the stage.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports all the items in the list.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Reports value of the variable.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Sets the variable to specified value.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Shows the variable monitor on the stage.
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A: [Image]
Feedback: The Scratch blocks guide is available here

Q: Allows you to create and name a new variable. When you create a variable, the blocks for that variable will appear. You can choose whether the variable is for all sprites (global) or just for one sprite (local).
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A: [Image]
Feedback: The Scratch blocks guide is available here