Add drops of food coloring wherever, and coat each piece with a few drops of ammonia. The next morning you should see crystals beginning to form. If not repeat the process. Cold Glue pictures of hot and cold foods on index cards. Help the children sort the pictures into hot and cold categories.
Caterpillars Give the children construction paper circles - one for each of the eight basic colors.
Tape one circle to a classroom wall. Let the children draw various shapes on each circle, and attach to the circle on the wall. See how long they can make the caterpillar. Add eyes and antenna to make the caterpillars head. Comic strips Save the Sunday comics and daily comics.