First, keep all your lights switched off between 09:30PM and 10:30PM.
You can do these 11 things during earth hour!
1. Watch Moon!
2. Take out all fluorescent toys!
glow in the dark skeleton 102-0256_IMG, a photo by Rev. Xanatos Satanicos Bombasticos (ClintJCL) on Flickr.
6. Produce light from mushroom
7. Marvel at these fluorescent Jelly Fish
8. Find a rock