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