Which planet has the largest number of moons?
Mars
Saturn
Venus
Earth
What is the smallest country in the world by area?
Monaco
Malta
Vatican City
San Marino
What gas makes up most of Earth’s atmosphere?
Oxygen
Carbon dioxide
Hydrogen
Nitrogen
Which ancient civilization built Machu Picchu?
The Inca
The Olmecs
The Maya
The Aztecs
What part of the cell contains genetic material?
Cytoplasm
Nucleus
Mitochondria
Membrane
Which ocean is the deepest?
Arctic Ocean
Indian Ocean
Atlantic Ocean
Pacific Ocean
What is the longest bone in the human body?
Femur
Humerus
Skull
Tibia
Which scientist proposed the three laws of motion?
Isaac Newton
Galileo Galilei
Niels Bohr
Albert Einstein
What is the chemical symbol for gold?
Fe
Au
Go
Ag
What do we call animals that maintain a constant internal temperature?
Reptilian
Warm-blooded
Dormant
Cold-blooded
Which continent has the most countries?
Europe
Asia
Africa
South America
Who wrote A Christmas Carol?
Roald Dahl
Mark Twain
J.R.R. Tolkien
Charles Dickens
What force keeps planets in orbit around the sun?
Gravity
Friction
Inertia
Magnetism
Which organ is primarily responsible for filtering blood?
Kidneys
Lungs
Pancreas
Liver
Who painted the Mona Lisa?
Michelangelo
Raphael
Picasso
Leonardo da Vinci
