Environmental Science
Chemistry
Physics
Biology
Miscellaneous
100
What governmental agency is responsible for "the protection of human health and the environment" within the United States?

The U.S. Environmental Protection Agency (EPA)

100

If you have a saturated salt solution, and you let the water evaporate, what will occur?

A salt crystal will form in a uniform crystal lattice structure.

100

What is Newton's 3rd Law?

For every action, there is an equal and opposite reaction.

100

What part of the body is most commonly used to collect DNA for testing?

The Cheek
100

Which planet spins the fastest?

Hint: It completes a full rotation in just 10 hours.

Jupiter

200

What is the name of the world's largest and deepest freshwater lake?

Hint: It is located in Russia.

Lake Baikal

200

What does the proper name for ClO3-?

Chlorate ion

200

What does RADAR stand for?

Radio Detection and Ranging

200

What is the common name for photoreceptor cells in the human eye that are often considered a pair with rod cells?

Cone Cells

200

What material are both your hair and your nails mostly made out of?

Keratin/Keratinocytes

300

What is the name of the atmospheric circulation cell closest to the equator?

The Hadley Cell

300

What will happen to a solution if you dissolve NaF salt into it?

The H2O in the water will react with the F- ions to form aqueous HF and OH- ions, making the solution slightly basic.

300

What does A ∝ d2 mean?

A varies directly with the square of d.

300
What organelle found in the cytoplasm of living cells builds proteins from amino acids?

Ribosome

300

At what temperature are Celsius and Fahrenheit equal?

-40˚

400

What hydrocarbons are known to deplete the Earth's ozone layers?

Hint: This hydrocarbon is commonly referred to as Freon.

Chlorofluorocarbons (CFCs)

400

What does it mean if a reaction has ∆H < 0 and ∆S > 0?

The reaction is exothermic (-∆H) and thermodynamically favorable (+∆S), meaning it has a a negative ∆G.

400

What does the area under the curve of a velocity-time graph represent?

Displacement

400

What is the name of the nucleobase present in RNA that replaces thymine?
Hint: It is represented by the letter U.

Uracil

400

How many feet are in a fathom?

6 feet

500

What does the "J" curve represent on a population growth chart?

A population with unlimited resources that grows exponentially

500

What is a Born-Haber diagram mainly used for?

Calculating the Lattice Energy of a molecule

500

What does the formula (r x F) represent?

Torque (f)

500

Carbon fixation, reduction, carbohydrate formation, and regeneration are the four basic phases of what photosynthesis cycle?

The Calvin Cycle
500

What is the name of the current geological epoch?

The Holocene

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