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