Airports
Cybersecurity/Cryptography
Climate
Light/Optics
Potpourri
100

Airport surface on which aircraft land and takeoff

What is a runway?

100

Data security process in which information is converted to ciphertext

What is encryption?

100

Processes through which certain gasses trap heat in the atmosphere

What is the greenhouse effect?

100

Light bouncing off of a surface, such as a mirror

What is reflection?

100

Fastest ever manned airplane, flown to Mach 6.7 in 1967

What is the North American X-15A-2?

200

Paths used by aircraft to move to and from runways

What are taxiways?

200

Simple shift cipher named after Roman leader

What is a Caesar cipher?

200

Long-term shifting in the Earth's average weather patterns

What is climate change?

200

Light bending when moving from one medium to another

What is refraction?

200

1937 airship crash in Lakehurst, NJ

What was the Hindenburg disaster?

300

Rotating beacon colors used by civilian land airports

What are green and white?

300

A person skilled in information technology who achieves goals by non-standard means

What is a hacker?

300

The most common greenhouse gas in the atmosphere

What is water vapor?

300

Lens that focuses light to a focal point

What is a convex or converging lens?

300

Light color used to mark the edge of airport taxiways

Whats are blue lights?

400

Airport with the most runways of any civilian airport

What is Chicago O'Hare Airport?

400

English code breaking center which analyzed Enigma and Lorenz ciphers during WW2

What is Bletchley Park?

400

Two examples of extreme weather events worsened by climate change

What are droughts, wildfires, extreme rainfall, hurricanes, and tornadoes? 

400

Type of telescope that uses mirrors to magnify an image. 

What is a reflecting telescope?

400

Perceived pattern of stars, defining one of 88 regions of the sky

What is a constellation?

500

One of two approach path indicator systems commonly used at airports

What is PAPI or VASI?

500

First programmable electronic computer, created by Tommy Flowers and Max Newman

What is Colossus?

500

Natural or artificial process that removes CO2 from the atmosphere

What is a carbon sink?

500

Study of light source spectra, used in astronomy to study stars and other objects

What is spectroscopy?

500

Polyalphabetic substitution cipher first described in 1553, thought to be unbreakable for 300 years

What is the Vigenère Cipher?