Science
Define these words
Other
History, Geography, etc
100

what are the names of the sun and moon

Sol (sun)

Luna, Selene (moon)

100

Henceforth

Form this point on (time)

100

Brightest star in the sky

Sirius/dog star

100

when did ww1 start

1914 [july]

200

What period (era) saw the first existence of dinosaurs

Triassic period

200

Indignant

anger/annoyance at unfair treatment

200

Halley's Comet comes every _ years

75

200

what is a plateau

 a flat or gently sloping surface that is significantly higher than the surrounding area 

300

The moon Titan belongs to...

Jupiter

300

Prithee

Please (used to convey a polite request [archaic])

300

Which OS is newer: Windows XP or Windows Vista

Vista is Newer, XP is older

300

Second highest mountain in the world

K2

400
How many bones in the human body

206

400

Defenestrate

To throw someone (not something) out of a window

400

What is a Blue moon

when there are 2 full moons in a month

400

How many King Henrys were there

8

500

Name of the shape of DNA

Double Helix

500

Acquiesce

To accept something reluctantly but without protest. 

500

List three of the top five most valuable companies

Microsoft, Apple, Nvidia, Amazon, Google

500

lowest point on earth (elevation)

Dead sea