Yird science

Yird science maks scienteefic experiments on things that's unique tae the Yird but isna alive (gin they are alive it becomes ecology or biology). Thir includes:

• Air o tha Yird
• Huil o tha Yird
• Oceans o tha Yird
• Rivers o tha Yird
• Rocks o tha Yird
• Syle o tha Yird

Wikimedia Commons haes media relatit tae Earth sciences.