Riddle me this
Gates
Math
Human Anatomy
Space
100

It gets bigger the more you take away

What is a hole?

100

a physical opening or a metaphorical point of access.

What is a gateway

100

3 + 6 + 2 * 4.5 - 10

what is six

100

The longest bone in the body

What is the femur

100

The number of planets in the solar system

what is eight

200

What word begins with E, ends with E, but only has one letter?

What is an envelope

200

a residential housing development or neighbourhood enclosed by physical barriers like walls or fences with strictly controlled access points for vehicles and pedestrians

What is a gated community

200

25 = 10x + 2
Find x

What is 2.3

200

The biggest organ in the human body

What is skin

200

The Swift planet

What is mercury

300

Rich people need it. Poor people have it. If you eat it you die.

What is Nothing

300

to cause something to have no effect, or to show that something is not true

Negate

300

35 / 14

what is 2.5

300

The number of bones an adult has

what is 206

300

The name of the storm on Jupiter

What is The Great Red Spot

400

Which word in the dictionary is spelled incorrectly

What is incorrectly

400

A football scandal where Tom Brady illegally played with footballs that had a lower PSI level.

What is Deflategate

400

10 + 4 / 4 + 10 * 2.5

What is 36

400

This organ can regrow much of its lost tissue

What is the liver

400

The number of known dwarf planets in our solar system

What is five?

500

A cowboy rides into town on Friday, stays three days, and leaves on Friday. How'd he do it?

What is the horse is named friday

500

to make or become longer and often thinner

what is elongate

500

4 * 7 + 7 * 9

what is 91

500

The number of bones in an ear

what is three

500

The third brightest object in the sky from earth

What is the International Space Station