1. Science: What is the formula of water? Answer .The chemical formula of water is Hâ‚‚O. Special fact: It means 2 Hydrogen atoms and 1 Oxygen atom.
2. Space: Is the Sun a star or a planet? Answer . The Sun is a star. Main point: It is a hot ball of gas that produces its own light and heat, whereas planets revolve around the Sun
3. Body: How many bones are there in the human body? Answer . An adult human body has 206 bones. Main point: At birth, children have about 300 bones, which fuse together as they grow.