Chemistry
Biology
Physics
Earth Science
200

what is the only letter of the alphabet that does not appear on the Periodic Table.

What is the letter J?

200

The process by which nitrogen gas from the atmosphere is converted into usable compounds by bacteria.

what is Nitrogen Fixation?

200

The color of visible light that has the longest wavelength

What is red?

200

what is the scale from 1 to 10 that is used to measure the hardness of a mineral

What is the Mohs Scale?

300

what are the series of 15 metallic elements from atomic numbers 57 to 71 are known as

What are the Lanthanides?

300

The biological process where a caterpillar transforms into a butterfly.  

What is metamorphosis?

300

The product of an object's mass and its velocity

What is Momentum?

300

what is the highest part of a wave above the average water level

What is the Crest?

400

This particle, discovered in 2012, is known for giving other particles their mass

What is the Higgs boson/God particle?

400

The measure of disorder or randomness in a closed system

What is Entropy?

400

what is a wispy, feathery clouds composed entirely of ice crystals

What are Cirrus Clouds?

500

The process by which gas particles pass through a tiny opening into a region of lower pressure

What is Effusion?

500

what is a misfolded and infectious protein that causes fatal brain diseases like mad cow

What is a Prion?