A bright idea crossword · Sep 26

Play A bright idea crossword · Sep 26, a free crossword at Sunday Anyday. Save your progress in this browser and play at your own pace.

A few clues to get you thinking

• A transparent object that refracts light to form an image
• The spreading of particles from higher to lower concentration
• A force that resists sliding between surfaces

Play free, with no timer. Your progress saves on this device.