Yes. 

During the Demonstration use:

• Up Arrow and Down Arrow keys to increase or decrease the video playback speed

During the Challenges use:

• “X” to switch between the shown and hidden patch
• “Space Bar” to start/stop playback
• “Right Arrow” to trigger the Submit/Next button

And in both the Challenges and in the Standalone Synth use:

• "V" to toggle the Visualizer
• The row of keys that start with "A" to play the keyboard's white keys
• The row of keys that start with "Q" to play the keyboard's black keys
• The number row to set the range of the keyboard
• The “[” and “]” to lower and raise the pitch wheel
• The “-” and “=” keys to nudge the mod wheel up and down
• The “,” and “.” keys to increase or decrease the velocity triggered by a QWERTY keyboard press