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EMERGENCY!!
100

What gland located beneath the larynx produces a hormone that helps regulate growth and metabolism?

Thyroid

100

What value is equal to distance traveled divided by time?

Speed or Velocity

100

What is the zone of calm air and light winds around the equator called?

Doldrums or horse latitudes

100

What are the elements located between Groups 2A and 3A (or Group 2 and Group 13) on the periodic table?

Transitional metals

100

What is foaming formed as a result of a gas being evolved from a solid or liquid called?

Effervescence

200

What organ that is part of the lymphatic system, in which T lymphocytes grow and multiply is located in the chest behind the breastbone?

Thymus

200

What volume, in liters, of diatomic hydrogen is needed to produce 224 Liters of ammonia when it is reacted with excess diatomic nitrogen at STP?

336

200

Which mineral has a hardness of 1 on Moh’s hardness scale?

Talc

200
Most of the elements on the Periodic table are what type?

Metals

200

What type of energy is stored in an object due to its position?

Potential

300

What layer is the surface of the sun?

Photosphere

300

Excess Hydrogen sulfide reacts with diatomic oxygen to produce sulfur dioxide and ice. How many grams of diatomic oxygen must be reacted to produce 9 grams of ice?

24
300

What is the early growth state of a plant embryo called?

Germination

300

What type of circuit has a complete path for current flow?

Closed

300

What German astronomer developed three laws governing the motion of planets and said that the orbits of the planets are ellipses?

Johannes Kepler

400

It's about as wide as the state of Texas and is the largest known asteroid. What is its name?

Ceres

400

What is the tubular sheath below the surface of the skin that contains the mechanism that creates the hair called?

Follicle 

400

Clownfish are covered with a mucous layer that allows them to live among the poisonous tentacles of a sea anemone. The anemone provides the fish with food and protection while the fish keeps the anemone’s enemies away. What is this relationship called?

Symbiosis or Mutualism

400

During which month of the year is the Earth closest to the sun?

January

400

What is the pOH of pure water?

7

500

When a flashlight is on, the battery in the flashlight is converting chemical energy into what type of energy?

Electrical

500

What are the retinal receptors that can detect black and white but work well in dim light?

Rods

500

What type of formula shows the smallest whole number ratio of atoms of each element present in that molecule?

Emperical

500

What process breaks down rocks through natural processes?

Weathering

500

What property causes a straw in a glass to appear bent?

Refraction

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