Ancient Inventors
The Middle East
The Eye
Verbs
Chemistry
100

They invented the wheel

Who are the Sumerians?

100

Its capital is Amman

What is Jordan?

100

Opening in the front of the eye

What is the pupil?

100

Type of verb that does not transfer the action from the subject to an object

What is intransitive?

100

A positively charged elementary particle

What is a proton?

200

Publicly displayed written laws

Who are the Babylonians?

200

The Tigris and Euphrates mostly run through this country

What is Iraq?

200

Outer layer of the eye

What is the sclera?

200

This type of verb can be replaced with an equal sign

What is a linking verb?

200

The right most group on the periodic table

What are noble gasses?

300

The keel

Who are the Phoenicians?

300

They ancient city of Troy was located in this modern day country

What is Turkey?

300

Substance giving the eye its shape

What is the vitreous humor?

300

"plays" is this tense of verb

What is present?

300

Weighted average of the masses of all the element's isotopes

What is atomic mass?

400

Umbrellas

Who are the Chinese?

400

The Zagros Mountains border this country to the east

What is Iraq?

400

Pigment producing eye color

What is melanin?

400

"They" is this person and number of verb

What is 3rd person plural?

400

This number is the sum of the protons and neutrons in the nucleus

What is an isotope?

500

Indoor plumbing

Who are the Harappans?

500

Body of water to the north of Turkey

What is the Black Sea?

500

It provides our sharpest point of vision

What is the fovea?

500

"I am loved" uses this voice

What is passive?

500

This group of metals resides in the d-block on the periodic table

What are transition metals?