How to Make an Atom Science Project

A model to help visualize atomic structure is easy to make with a few simple items. Understanding and explaining atomic structure is more complex. Several models may be required to adequately explain atomic structure and how it relates to elements and matter. Verify the specific needs of the science project before beginning. A hydrogen atom is the simplest atom but does not contain neutrons, so a helium atom should be used for the model.

Things You'll Need

• Blue clay
• Red clay
• Small wooden dowel
• Glue
• 2 black or gray beads
• Wire
• Wire cutters

Instructions

1. A helium atom is composed of two electrons, two neutrons and two protons. Protons are usually depicted with the color red, neutrons in blue and electrons in black. Form two small red balls and two small blue balls with the clay and press them together to form the center of the atom. Insert a small wooden dowel into the center of the grouping protons and neutrons. Add a few drops of glue to hold it in place.

2. Bend the wire into a circle that is large enough to encircle the atom's center and allow the beads enough room for movement. Allow enough extra at each end of the wire to use for attaching to the atom's center, about 1 inch on each end. Cut the wire.

3. Place the beads onto the wire. Bend each end of the wire about 1 inch from each side to create a tab. Choose one proton or neutron and insert each tab into the clay allowing enough room for the bead to move freely along the wire. Add a few drops of glue to hold the wire in place.

4. Attach the wooden dowel to a base with glue and allow to dry. The atom should be able to stand alone and the bead should move along the wire as an electron would move.

Tips & Warnings

• Use lightweight molding foam instead of clay to reduce the weight of the protons and neutrons. Adjust the size of the atom to the intended audience. A large model would be needed when presenting to a group. Additional information can be displayed on a posterboard.

References

• John Jay College