Physics
Chemistry
Biology
Astronomy
100
What is mass?
This is the quantity of matter in an object
100
What is gold?
This element has the chemical symbol Au
100
What is the mitochondria?
This organelle is known as the powerhouse of the cell
100
What is the sun?
This is the closest star to Earth
200
What is Newton third law of motion?
This law states that for every action there is an equal and opposite reaction
200
What is the atomic number?
It is the number of protons in an atomic nucleus
200
What is acid?
DNA stands for deoxyribonucleic this
200
What is 8?
There are this many planets in our solar system
300
What is the ampere?
The SI unit of electric current
300
What is water?
H2O is the chemical formula for this substance
300
What is photosynthesis?
The process by which plants make food using sunlight
300
What is the Milky Way?
This is the galaxy that contains our solar system
400
What is special relativity?
E equals mc squared is the mass-energy formula from which theory
400
What is a covalent bond?
This bond involves the sharing of electrons between atoms
400
What is a cell?
It is the basic unit of structure and function in living things
400
What is Mars?
This planet is known as the Red Planet
500
What is gravity?
It is the force that keeps planets in orbit around the sun
500
What is 7?
The pH of a neutral solution at 25 degrees Celsius
500
What is a red blood cell?
This blood cell carries oxygen throughout the body
500
What is the Big Bang?
The theory that the universe began from a single point of infinite density
M
e
n
u