Show students pictures of each of the zodiacal constellations, which correspond to an astrological sign, and tell them what dates each astrological sign falls into. Have the students group together according to their sign and study the constellation. Ask them to discuss what they think the constellation looks like. Have each student copy the constellation with glow-in-the-dark stickers on a black piece of paper, then show the class images of the constellations with the shapes outlined.
Introduce the concept of star charts and the night sky by projecting a star chart on the ceiling using an overhead projector or LCD projector. Show the students star charts from different hemispheres and explain that different parts of the world see different night skies at different times of the year because of the Earth's movement. Then focus on your own hemisphere and point out constellations that they might see in your area at night.
Many constellations have stories, people or creatures associated with them, such as the constellation Orion representing the Greek legend. Choose about six different constellations, then divide the students into six groups and give each group a printout that briefly explains what one of the constellations represents. Have one student in each group read the printout aloud, then instruct the students to individually write a creative story describing how they think their group's constellation came to be in the sky. When they have finished, have them give a brief summary of their story to the rest of the class.
Read students the "Star Shapes" section of Clint Twist's "The Book of Stars" or other comparable books. For Language Arts and Art, have them get into groups and create their own constellations to hang relating to a book or story that you have recently read in class. Instruct them to first sketch a basic shape for the constellation, then sketch where the stars inside it would go. Also for Language Arts, have them write a letter to a constellation as though it is their pen pal, including their interests and other information that they believe is relevant. For physical education, have them play Constellation Tag, where the class divides into two hemispheres and one group has to tag students from the other hemisphere with soft balls without crossing the hemispheric border. Students who are tagged have to move to the opposite hemisphere.