Earth Science
Biology
Chemistry
100

In the oceans, waves and surf currents are generated by this. 

What is wind?

100

The names for the pyrimidine bases found in DNA. 

What are cytosine and thymine?

100

The number of grams of KCl, with a molar mass of 75, that are needed to make 1 liter of a 3 molar solution. 

What is 225?

200

A type of glacier that flows outward from a center as opposed to down a mountain valley. 

What is a continental glacier?

200

The MOST common anatomical synonym for ventral, when locating a part of the human body in relation to another part. 

What is anterior?

200

The scientific term for the ratio between the density of a given substance to that of water when both are at the same temperature. 

What is specific gravity or relative density?

300

The name for the common ocean waves that are not driven by the wind but sustained by the energy they obtained by the sea. 

What are/is swell(s)?

300

The human gland or organ that produces tri-iodothyronine. 

What is the thyroid?

300

Group 1 cations and group 7 anions combine to form this. 

What are ALKALI HALIDES?

400

A word that best describes the luster of quartz. 

What is vitreous?

400

The anatomical term for the specific section of the small intestine into which the pancreatic duct delivers its digestive enzymes. 

What is the DUODENUM?

400

The chemical name for the compound formed when pure iron and pure sulfur are mixed together and heated. 

What is iron sulfide? (also accept: IRON(II) SULFIDE or FERROUS SULFIDE)

500

The percent relative humidity if the vapor content is one-half the amount of vapor the mass of air can hold. 

What is 50%?

500

The monosaccharide, cellulose is primarily composed of. 

What is glucose?

500

The pH of a solution with a pOH of 6.8 at 25ºC. 

What is 7.2?