Ted Ed - Adam Savage and Light

Who is credited with solving the Challenger disaster and winning the Nobel Prize in Physics?

• Eratosthenes

• Armand Fizeau

• Richard Feynman

• Galileo

Which scientist noticed that the Earth's shadow on the Moon was circular, proving the Earth is spherical?

• Galileo

• Eratosthenes

• Armand Fizeau

• Richard Feynman

Who invented the word 'geography' and accurately calculated the Earth's circumference 2,200 years ago?

• Richard Feynman

• Armand Fizeau

• Eratosthenes

• Galileo

Which physicist calculated the speed of light to within two percent of its actual value using a toothed wheel?

• Eratosthenes

• Galileo

• Armand Fizeau

• Richard Feynman

What did Richard Feynman's father attribute the ball going to the back of the wagon to?

• Inertia

• Magnetism

• Gravity

• Friction

What did Eratosthenes use to calculate the Earth's circumference?

• A stick in the ground

• A toothed wheel

• A telescope

• A compass

What did Aristotle use to prove that the Earth is spherical?

• A microscope

• A compass

• Observing the Earth's shadow on the Moon

• A telescope

What did Galileo use to try to determine the speed of light?

• A telescope

• A microscope

• A toothed wheel

• A compass

What is the lowest frequency light that we can see?

• Purple

• Blue

• Red

• Green

What happens to the energy carried by blue, purple, and red light when they hit a black object?

• Reflected

• Absorbed

• Transmitted

• Scattered