Across
- 2. These pendulum arms are...
- 3. Test your response to stimuli
- 5. A Spectacular Science Show
- 8. Gravitram Passengers
- 11. Zero gravity
- 12. How bees communicate
- 15. A 7-metre balloon
- 16. The force behind the falling magnets
- 17. Vortex ring
- 18. A flat magnifying lense
Down
- 1. The bubble projector colours
- 4. Made of one-way mirrors
- 6. Overlapping, repeating patterns
- 7. Sometimes harmonograph patterns can be called ... curves
- 9. The artist of Recollections IV
- 10. Sand patterns
- 13. Cars, coils, lightening
- 14. Since 1982