Physics
Chemistry
Biology
Random
100

Eletrical current may be expressed in what units?

Coulombs/second 

100

What is the main gas found in the air we breathe?

Nitrogen (around 78%)

100

Botany is the study of ?

Plants 

100

The four major lobes of the human brain are the frontal lobe, the parietal lobe, the occipital lobe, and the...

Temporal lobe

200

For an object moving in uniform circular motion, the direction of the instantaneous force is...

Directly radially inward 

200

What kind of chemical element hates to be a follower?

Lead

200

A change in DNA in an organism that results in a new trait is known as ?

Mutation

200

I am a black hole's equivalent of a one-way street. What am I ??

The event horizon ( a boundary in which nothing can ever leave, only get pulled in) 

300

What is the center of gravity?

The letter V

300

How many elements are on the periodic table?

118

300

What are ten things you can always count on? 

Your fingers 

300

what is black when you buy it, red when you use it, and gray when you throw it away?

Charcoal 

400

When the son of the water returns to the parents, it dies. What is it ?

Ice

400

What is the name given to substances that are initially involved in a chemical reaction?

Reactants 

400

I am a ball that can be rolled but never bounced or thrown. What am I ?

eyeball

400

I make up almost 3/4ths of the universe and almost nothing is known about me. What am I?

Dark energy 

500

What is the loneliest of all physics concepts?

The Singularity 

500

What element is derived from a Norse god?

Thorium

500

I am the outstretched fingers that seize and hold the wind flows from me in other hands upon me are sweet dreams dreamt, my merest touch brings laughter?

feather 

500
Thirty white horses on a red hill, first they champ, then they stamp, then they stand still?

Teeth

M
e
n
u