Topic Details (Notes format)

What is the chemical symbol for the element iron?

What is the unit of electric current?

Which organelle is responsible for photosynthesis in plants?

What is the primary source of energy for life on Earth?

Which component of blood carries oxygen?

Which is the smallest bone in the human body?

Which gas is used in fire extinguishers?

What is the main component of the human skeleton?

Which process separates light into its component colors?

What is the chemical symbol for gold?