An adult human body has over 500 bones.

What is the name of the substance that gives skin and hair its pigment?

The death of every member of a particular species is known as?

What is the first element on the periodic table?

What is the chemical symbol for the element oxygen?

What is the closest planet to the Sun?

The sun is a star.

What is the name of the bone which protects our brain?

A thermometer is a device used to measure what?

Which animal lays eggs?

All animals need food, air, and ____ to survive.

What is Earth’s only natural satellite?

What part of the body helps you move?

The two holes of the nose are called?

Legs have feet and arms have _____________.

Which part of the bird lets it fly high in the sky?

How does a dog express happiness?

A frog is a reptile.

Which material from the following has the highest transparency?

Which system of the body controls the senses?

The first person to walk on the moon was Neil Armstrong.