- 1). Paint the large Styrofoam ball blue to represent the Earth. Paint the small Styrofoam ball gray to represent the moon.
- 2). Bend the end of a piece of floral wire into a small hook shape. The hook should be approximately ½-inch in length.
- 3). Slide the floral wire through the Styrofoam ball representing Earth to the hooked end of the wire. Secure the ball to the floral wire by piercing the hook into the ball.
- 4). Bend the end of another piece of floral wire into a small hook shape. Again, the hook should be approximately ½-inch in length.
- 5). Slide the floral wire through the Styrofoam ball representing the moon to the end of the hooked wire. Secure the ball to the floral wire by piercing the hook into the ball.
- 6). Twist the floral wire protruding from the top of the moon around the floral wire protruding from the top of the Earth. The length of floral wire between the Earth and the moon should be long enough for the moon to hang over the side of the Earth but not so long that the moon hangs below the Earth. The floral wire twist should remain loose enough for the moon to spin around the Earth.
- 7). Hang the model near a light source such as a lamp. The side of the Earth illuminated represents the dayside. As the moon is moved around the Earth, the side facing the light will remain lit. Viewed from the model of Earth, different amounts of the light side and dark side of the moon will be visible showing the phases of the moon.
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