Geo-Pourri
Science
Communication
Rhyme Time
Mil. Abbrev.
100

It's the country (& continent) where you'll find the Murray-Darling Basin

Australia 

100

g is the symbol for acceleration caused by this

gravity 

100

A single dot in Braille represents this letter

A

100

A labyrinth fad

a maze craze 

100

AWOL:
i.e., not where you're supposed to be

absent without leave 

200

One theory says the name of this mountain chain comes from the Quechua for "high crest"

The Andes 

200

In 2016 the Max Planck Institute said it used these 4-letter cells to create Fallopian tubes in a Petri dish

Stem Cells 

200

The proper way to address the pope--if you ever were to meet him--is with this 2-word salutation

Your Holiness 

200

A random cursory look

chance glance 

200

LZ:
Another name for an airfield

Landing Zone 

300

The Brahmaputra River runs through 3 countries from its source to its confluence with this other great river

The Ganges 

300

The hypothetical solar sail on a spaceship wouldn't fly on solar wind, as you might think, but on these particles, also known as light quanta

Photons 

300

From the Greek for "to hear", it's the science of sound, including its transmission & reception

Acoustics

300

A flying feudal man-at-arms tethered & held by a child, hopefully, on a windy day


a knight kite

300

XO:
He's second in command to the CO

Executive Officer 

400

Illyria is an ancient name for the northwest part of this European peninsula

The Balkan Peninsula 

400

What's called the Moho discontinuity inside the Earth separates the crust from this interior section

The mantle 

400

Autocue is another name for this device used by some on-camera talent

a Teleprompter 

400

Mallet noise

Hammer Clamor 

400

OCS:
If you graduate from this, expect to be ready to lead

Officer Candidate School 

500

This South Pacific island country is about the size of New Jersey--but where would you rather vacation, Newark or Suva?

Fiji

500

M-theory "ties up" a unified version of this theory that describes the universe in terms of tiny oscillating tubes

String Theory 

500

Over 200 years old, this debating society brings lively discussion (hopefully with British manners) to Oxford University

The (Oxford) Union 

500

A false taipan

fake snake 

500

MOS:
It's what your job is

Military Occupational Specialty