- Rubber bands last longer when kept refrigerated.
- Sea water is approximately 3.5% salt.
- Sound travels 10 times faster through granite than air.
- Sound travels 15 times faster through steel than air.
- Sound travels 4.3 times faster through water than in air.
- Sponges hold more cold water than hot.
- Sun light can penetrate clean ocean water up to a depth of 73m (240 feet).
- The Atlantic Ocean is saltier than the Pacific.
- The center of the Sun is approximately 15 million C (27 million F).
- The diameter of Earth is 12,756 km (7,926 miles).
Pages
