You will need: Popcorn (popped), a paper grocery bag, scissors, glue, Ziplock baggies and paint red, yellow and orange (acrylic or tempera).
Pour a small amount of paint into a baggie. Add some popcorn and shake until popcorn is colored.
Repeat with the other 2 colors.
Allow time for popcorn to dry.
Cut out the shape of corn from paper bag.
Glue popcorn on to the corn shaped paper bag.