This fall tree display titled "Kindergarten is unbeLEAFable" is a colorful display for autumn. This is a fun title that can be used with any grade level: " Grade __ is unbeLEAFable!" possibly put kids faces on a leaf?
Salt Volcano: Pour several inches of water into a jar. Add about of vegetable oil. Drop in food coloring and observe what happens. Shake salt on top of the oil/water/food coloring mixture. Pour or sprinkle more salt, as desired.