Borax Crystal Heart

Supplies

• 1/2 cup Borax powder
• 4 cups water
• Pipe cleaner
• String (or twine, yarn)
• Jar (must be heat safe)
• Pencil

Skills

1. Shape pipe cleaner into a heart.
2. Loop one end of string around pipe cleaner and secure with knot. Wrap the other end of string around pencil and secure with a knot. Set aside.
3. Bring water to a boil on stovetop.
4. Add borax to water. Stir until Borax is completely dissolved.
5. Transfer mixture into jar. Be careful it’s hot!!
6. Place pencil across the jar and ensure that pipe cleaner is submerged in the liquid.
7. Observe your experiment over the next 24 hours and watch your crystals grow.
8. Crystal heart can be made into an ornament and displayed.

Adaptations

• We experimented with different designs and shapes to observe how they would turn out.

Skills

• Science
• Math – measurement