Types of Metal
Farm life
The human eye
Physics
Clowns
100

Most abundant element on Earth

What is Iron?

100

In the 1990s, what illness previously thought to be confined to cattle was found to have been expanded to impact livestock, other animals, and even humans?

What is Mad Cow disease

100

The human retina contains receptor cells of two different types: rods and what tapered shapes?

Cones

100

What unit is used to measure the intensity of light

What is Candela (cd)

100

What is the oldest form of Circus Entertainment?

What is Juggling?

200

Conducts electricity the best

What is silver? 

200

In agriculture, "apiculture" is the technical term for raising what type of insects?

What are bees?

200

Hey, this isn't about optometry at all! "I just want you to know who I am" gets whined repeatedly at the end of "Iris," a '90s hit by what childish alt rock band?

Who are the Goo Goo dolls? 

200

What year was the sound barrier broken?

What is 1947? 

200

How many official styles of clowns are there?

4

300

A metal and on-metal mixed together

What is an alloy?

300

Aside from a billy, what other “B” word can used to describe a male goat? The word can also be used as slang for a dollar bill.

What is buck?

300

Amblyopia, a sight disorder where the brain fails to process inputs from one eye and favors the other, is better known as what?

What is Lazy Eye? 

300

What is the word radar an abbreviation for?

What is Radio Detection and Ranging
300

What is the sticky substance aerialists use on their hands and wrists to maintain their grip while performing in the air?

What is Rosin? 

400

On this planet, it snows metal

What is Venus?

400

While it is known as the Peach State, Georgia is also the nation's largest producer of what legume that is also the state crop?

What is Peanut? 

400

Orthokeratology uses specially designed contact lenses to temporarily reshape what eye part?

What is Cornea? 
400

On the moon what would hit the ground first: a feather or brick?

What is neither

400

What is the French word for circus?

What is Cirque?

500

This metal can melt in a human hand

What is Gallium?
500

The pear is the official state fruit of what U.S. state?

What is Oregon?

500

What “P” eye condition is when the eye muscles become less elastic and more rigid, resulting in difficult reading smaller print up close? It is a condition often treated in older patients with bifocals.

What is Presbyopia? 

500
How many seperate patents did Thomas Edison file?

Wha is 1093? 

500

What kind of clown has a red nose?

Who is Auguste Clown