Topic Details (Notes format)

What is the approximate age of the Earth?

Which component of blood carries oxygen?

Which organ regulates blood sugar levels in the human body?

What type of energy is stored in a stretched rubber band?

Which gas is known as "laughing gas"?

Which part of the human eye is responsible for focusing light on the retina?

Which type of blood vessel carries blood away from the heart?

Which is the smallest bone in the human body?

What is the most abundant element in the universe?

What type of bond is formed by sharing electrons between atoms?