Math
Physics
Biology
Chemistry
General
100

A triangle that has the same length for all sides

equilateral triangle

100

When you drop a knife, it doesn't fly around and stab you because of

Gravity

100

During cellular respiration, what is the direct source of the energy used in the cells of consumers in the ecosystem represented below?

The sun

100

Which of the following is NOT a fossil fuel?

A) Coal

B) Natural gas

C) Petroleum

D) Uranium

Uranium

100

What is the closet planet to the sun? 

Mercury

200

How many degrees are in one-third of a right angle?

30 degree

200

What physical state of matter is intermediate between a solid and gas?

Liquid

200

How many permanent teeth does a typical adult human have?

32

200

What is the general name for material that is used to block the flow of heat or electricity?

Insulator

200

You get tan because of the sunlight, and its scientific name is 

Ultraviolet light. 

300

Find the LCM of 24 and 60 divided by the GCF of 24 and 60

10

300

What property of a sound wave is most commonly associated with loudness?

Amplitude

300

What term is generally used for biological catalysts?

Enzymes
300

Why do we salt the street when it snows?

The salt lowers the freezing point of water. 
300

What do ships float on water? 

Because the ships have less density than water 

400

What is the leading coefficient and degree of 3x2-5x6+7

Coefficient = -5

Degree = 6

400

What is the speed of light in 4 significant figure?

2.998 * 108 meters

400

It removes old red blood cells and holds a reserve of blood.

Spleen

400

What is the chemical formula for table-salt?

NaCl

400

What is the name for the biochemical process that converts grape juice into wine or soy beans into soy sauce?

Fermentation

500

Giving your answer in inches and in simplest radical form, if the hypotenuse of a 45-45-90ยบ triangle is 10 inches, find the length of the other sides:

5 * sqrt(2)

500

A bicyclist goes over the top of a hill with a radius of 50 meters. Which of the following is closest to the maximum speed, in meters per second, the cyclist can have without leaving the ground at the top of the hill?

A) 11

B) 22

C) 33

D) 44

22 meters per second

500

What human organ produces the majority of immune complement proteins?

Liver

500

Why does helium change the pitch of your voice? 

Helium is lighter than normal air. 

500

How heavy can the cloud be?

It can be as heavy as a ship or aircraft.