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