___ AND ___
Common Unknown Things
Measurement Units
Potpourri
Acronyms as Words
100

A candy known for its long-lasting fruit taffy

What is Now and Later?

100

This is the piece of plastic at the end of a shoelace

What is an aglet?

100

This temperature unit cannot go any lower than zero

What is kelvin?

100

A mixture of dried petals and spices used to perfume a room

What is potpourri?

100

SCUBA

What is self-contained underwater breathing apparatus?

200

The tortoise won the race by running this way

What is Slow and Steady?

200

The groove between the upper lip and nose

What is a philtrum?

200

Not to be confused with a burrowing mammal, this unit is often used with the Avogadro number

What is the mole?

200

The process of cooking  a pie crust prior to putting its filling in

What is blind baking?

200

TASER

What is Thomas A. Swift's electric rifle?

300

The idea that different parts of a governing body has powers to limit and control each other

What is Checks and Balances?

300

A verbal error where the speaker transposes the initial sounds of two or more words

What is a spoonerism?

300

This unit is the mean distance between the Earth and the Sun

What is the astronomical unit?

300

When a ship has a permanent tilt to one side, it is called this

What is list?

300

RADAR

What is radio detection and ranging?

400

A set of photographs to show a drastic change over the course of time

What is Before and After?

400

The fancy, decorative letter at the start of a chapter or paragraph

What is a drop cap?

400

It's the most common unit used to measure a horse's height

What is the hand?

400

This is the closest living relative to the giraffe

What is an okapi?

400

CAPTCHA

What is the completely automated public Turing test to tell computers and humans apart?

500

This character struggles between his dual "good" and "evil" personalities

Who is Dr. Jekyll and Mr. Hyde?

500

The cardboard sleeve put on a hot cup to protect ones hands from heat

What is a zarf?

500

The unit of measurement commonly used to measure buttons

What is the ligne?

500

The first horse to have been awarded the Triple Crown

What is Sir Barton?

500

LASER

What is light amplification by the stimulated emission of radiation?