Jeff
Sunday Morning
Burning
"Down"
The House
100

This Jeff played a chaos theory mathematician in Jurassic Park 

Who is Jeff Goldblum?

100

This comic strip details the misadventures of a boy and his imaginary friend.

What is Calvin and Hobbes?

100

This is a critical element of combustion, along with oxygen and fuel

What is Heat?

100

Often referred to as the land down under

What is Australia?

100

Eventually going to be located in Philadelphia or new York, it was later built in Washington DC

What is the White House?

200

This Jeff started an online bookstore named Cadabra

Who is Jeff Bezos?

200

This Massachusetts cartoonist known for answering questions writes the following webcomic

What is xkcd?

200

This is the temperature at which paper spontaneously combusts, its also the title of a famous book

What is 451 degrees Farenheit?

200
In 3 dimensional cartesian Coordinates, this would be down

What is negative z?

200

This legislative body in England has its own home.

What is the House of Parliament?

300

This Attorney General had a poor memory when testifying before congress

Who is Jeff Sessions?

300

This tie wearing engineer has a comic named after him

Who is Dilbert?

300

Unlike most other fuels, this elemental gas has an invisible flame

What is Hydrogen Gas?

300

Many believe this wall came down under Reagan, but it was later on under Bush that it fell. 

What is the Berlin Wall?

300

This royal residence was built under Louis XIV in 1682

What is the Palace of Versailles?

400

This Jeff acts in many tv shows and movies, such as Sea Hunt.

Who is Jeff Bridges?

400

This comic series details the residents of riverdale

Archie

400

This natural fuel source is often touted as an alternative to coal, despite the required pipelines

What is Natural gas?
400

Being in a downward this would mean things are going fairly poorly for you

What is a downward spiral?
400

There is a house in New Orleans, the namesake of this song:

What is the House of the Rising Sun?

500

This Jeff is known for his puppeteering abilities.

Who is Jeff Dunham?

500

This cartoonist is known for his series about a lasagna loving feline

Who is Jim Davis?

500

This celestial body runs at a warm 5,778 K on its surface

What is the Sun?

500

They sung "the land down under"

Who are the men at work?

500

This Curvy building in prague has a name that one could tango with.

What is the Dancing House?