Leptons, and atoms and bosons, oh my! New discoveries in physics happen so fast that even skilled scientists find it hard to keep up. See how much you know about famous physicists and theories old and new in this challenging yet fascinating field.
What is the speed of light?
186,000 miles per second (299,338 kilometers per second)
1.86 million miles per second
When did scientists first discover that light had a specific, measureable speed?
Which of the following is NOT one of Newton's three laws of motion?
Every action has an equal and opposite reaction.
An object in motion will stay in motion unless acted upon by a force.
At a given mass, the pressure times volume of a gas will stay constant as long as temperature does.
What do you call the building blocks that make up protons and neutrons?
Which of the following is Augustin-Jean Fresnel best remembered for?
his work in quantum mechanics
the discovery of the planet Neptune
the wave theory of light
What technology won the first Nobel Prize in physics in 1901?
True or false: Electrons and neutrons make up the nucleus of an atom.
Which of the following is NOT one of the four fundamental forces in physics?
What technological innovation is Guglielmo Marconi best known for?
True or false: Absolute zero is equal to zero degrees Celsius.
What two measurements are captured by Boyle's law?
density and energy
pressure and volume
temperature and acceleration
Where can you find the world's largest particle accelerator?
Which of these two measurements will allow you to easily determine the density of an object?
mass and temperature
mass and acceleration
mass and volume
True or false: Einstein theorized that space-time was curved, not flat.
What is the "c" in Einstein's famous equation, e=mc<sup>2</sup>?
speed of light
True or false: Contrary to rumor, Einstein was a child prodigy in math and science.
What is J. Robert Oppenheimer remembered for?
giving neutrinos their name
the atomic bomb
the discovery of numerous unknown stars
What happens during fission?
an atom divides in two
two atoms join as one
no one knows
True or false: An ion always has more electrons than protons.
What are Kelvins used to measure?
What is gravity like inside a black hole?
the same as it is outside of the black hole
Which of these particles always consists of three quarks?
Which of these consists of one quark and one antiquark?
Which of these is the best representation of Planck's constant?
energy equals mass times acceleration
energy equals pressure times density
energy times time equal action
True or false: The big bang took place 15 million years ago.
True or false: Normal matter makes up around 5 percent of the universe.
True or false: Quarks come in three different colors that you can see.
If you hold your hand up to the sun for a moment, how many neutrinos pass through?