Astronomy
What is the name of our star at the center of our solar system?
Sun
What organ pumps blood throughout the human body?
The heart
What is the chemical formula for water?
H₂O
What force keeps us on the ground?
Gravity
What is the largest ocean on Earth?
The Pacific Ocean
What planet is known as the Red Planet?
How many legs does a bee have?
Six legs
What gas makes up most of Earth's atmosphere?
Nitrogen
What device is used to measure temperature?
Thermometer
What country is famous for the pyramids of Giza?
Egypt
What is the name of the galaxy that contains our solar system?
The Milky Way
What gas do humans need to breathe in order to survive?
Oxygen
What is the chemical symbol for Sodium?
Na
What travels faster: sound or light?
Light
Which country is the largest in the world by land area?
Russia
Which planet is famous for its large, visible ring system?
What part of a plant carries out most of its photosynthesis?
The leaves
Name a substance that has a pH of 7 and is considered neither acidic nor basic.
Water or a neutral substance
What is the SI unit of electrical resistance?
Ohms
Which continent is the Sahara Desert located in?
Africa
Which planet has the shortest year in our Solar System?
Mercury
What is the largest organ of the human body?
The skin
What is the name of the process in which a liquid changes into a gas?
Evaporation
What famous scientist developed the three laws of motion?
Isaac Newton
What is the longest river in South America?