I have many colors and sides. You twist me until all the colors match up. What am I?

What has a head and a foot but no body? Solve the riddle → We start as small, hard kernels, then dance and pop in a pot to become fluffy and delicious. What are we? Solve the riddle → I have a big mouth, but I don't speak. I often stand still, like a silent and steady pillar. I love to drink, but I have no tongue. What am I? Solve the riddle → I scare away spooky shadows when you're in bed. I glow softly all night long, but I have no head. Solve the riddle → What goes through cities and forests but never moves? Solve the riddle →