Astrology
Biology
Earth Science
Chemistry
Energy
100
What planet is closest to the Sun?
Mercury
100
What do plants need from sunlight to make their food?
Energy
100
What is the name of the process by which water turns into vapor?
Evaporation
100
What is the chemical symbol of oxygen?
O
100
What force keeps you on the ground and prevents you from floating?
Gravity
200
What is the largest planet in our solar system?
Jupiter
200
What are the building blocks of all living organisms?
cells
200
Which three months represent Winter?
December, January, February
200
When you burn copper, what is the color of the flame?
Blue-green
200
What do we call the force that makes a ball stop rolling after some time?
Friction
300
What are the names of two constellations that mean "big bear" and "small bear"?
Ursa Minor (small bear)
Ursa Major (big bear)
300
What is the name of the process by which animals breathe out carbon dioxide?
Respiration
300
What is the name of the center of the Earth?
The Core
300
What is the chemical formula for nitrogen gas?
N2
300
Why do bullet trains' heads shape like a bullet?
To reduce air resistance
400
Which planet has the most rings?
Saturn
400
What is the largest organ in the human body?
Skin
400
What is the name of an imaginary line that goes from the North Pole to the South Pole of the Earth?
The Axis
400
What is the full name of CO?
Carbon monoxide
400
What simple machine is used to lift heavy objects by pulling on a rope?
Pulley
500
Name the closet galaxy to the Milky Way galaxy
Andromeda galaxy
500
What is the term for animals that maintain a constant body temperature?
Warm-blooded
500
What part of a seed will become a new plant?
The embryo
500
What chemical element burns when touching water?
Sodium (Na)
500
What is the term for the amount of matter in an object, which affects how much force is needed to move it?
Mass