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Physics
Chemistry
Biology
Astronomy
General Science
100
What is an atom?
This fundamental unit of matter is defined by the number of protons in its nucleus
100
What is the law of conservation of energy?
In physics, this law states that energy cannot be created or destroyed, only transformed
100
What is 3 x 10^8 m/s?
The speed of light in a vacuum is approximately this many meters per second
100
What is refraction?
This phenomenon causes the bending of light when it passes from one medium to another
100
What is reaction?
Newton third law states that for every action, there is an equal and opposite what?
200
What is iron?
The chemical symbol Fe stands for this common metal element
200
What is water?
H2O is the chemical formula for this essential substance
200
What is 7?
This pH value represents a neutral substance, neither acidic nor basic
200
What is CO2?
Carbon dioxide has this chemical formula
200
What is particles or atoms?
Avogados number approximately 6.022 x 10 to the 23rd power represents one mole of what?
300
What is a mitochondrion?
This organelle is known as the powerhouse of the cell
300
What is acid?
DNA stands for deoxyribonucleic this
300
What is photosynthesis?
This process in plants converts carbon dioxide and water into glucose using sunlight
300
What are red blood cells?
This blood cell type carries oxygen through the body
300
What is genetics?
Gregor Mendels experiments with pea plants laid the foundation for the science of what?
400
What is the Sun?
This star is the closest to Earth and gives us heat and light
400
What is gravity?
This force keeps planets in orbit around the Sun
400
What are tides?
The moon gravity causes this phenomenon on Earth oceans
400
What is Mercury?
The nearest planet to the Sun is this one
400
What is the Hubble Space Telescope?
This space telescope launched in 1990 captures iconic images of distant galaxies
500
What is negative?
Electrons have a what charge: positive, negative, or neutral?
500
What is gold?
This element with atomic number 79 is a precious yellow metal
500
What is 212?
Boiling point of water at sea level is 100 degrees Celsius and how many Fahrenheit?
500
What is paleontology?
The scientific study of fossils is called what?
500
What is Albert Einstein?
The famous equation E equals mc squared was developed by which physicist?