Directed A
A string is vibrating and producing sound. What would happen to the sound if the vibrating string were longer?
The pitch would be lower
Brimstone is an ancient name for which element on the periodic table?
Sulfur
I am a hypothetical feline trapped in a box. Until you open it to check on me, I am both perfectly healthy and completely deceased at the exact same time. What am I?
Schrödinger's cat
What is the chemical name for chalk?
Calcium Carbonate
Carbon-14 is formed in the atmosphere when neutrons from cosmic radiation react with what type of atoms?
Diatomic Nitrogen
At what point, considering the combination of temperature and pressure in a phase diagram, does a substance simultaneously exist as a gas, a liquid, and a solid?
Triple
The gases in air can be separated by cooling and compressing the gases until they become liquid and then heating the solution. What is this process that separates air by their boiling point?
Fractional distillation
I am a molecular mirror image. I share your exact chemical formula and connectivity, but like a left shoe on a right foot, I cannot be superimposed on my twin. What am I?
Chiral molecules
Which of the three types of coal is a metamorphic rock?
Anthracite
What major problem did former vice president Al Gore address in his movie, An Inconvenient Truth?
Global Warming
What is the gland at the base of the brain that secretes hormones and regulates and controls other hormone-secreting glands and many body processes, including reproduction?
Pituitary
A switch that opens an electric circuit when a short occurs is called a what?
Circut breaker
I am a highly selective biological gatekeeper. I allow small nonpolar molecules to slip right through me, but if a charged ion wants to cross, it must find a specific protein tunnel. What am I?
Phospholipid Bilayers
Refracting telescopes use what as their primary objective?
Lens
In what unit is power measured?
Watts
What are the retinal receptors that see colors but need bright light to work?
Cones
What are the three half-circular, interconnected tubes located inside each ear that are the equivalent of three gyroscopes located in three planes perpendicular to each other?
Semicircular canal
I love to bond with almost anyone, but I am highly explosive on my own. Combine me with toxic chlorine gas, and I become something you put on your french fries. What am I?
What sense is related to these seven basic groups – camphor, musk, floral, peppermint, ether, pungent and putrid?
Smell
What is the common name for pertussis which is an infectious disease in children characterized by fever, aches and a violent cough?
Whooping cough
What is the ferrous alloy with a minimum of 10 percent chromium?
Stainless steel
What system in the body is responsible for maintaining the body’s orientation in space, balance, and posture?
I state that for every action you take, there is an equal and opposite reaction waiting for you. What rule am I?
Newton's third law
What is the chemical name of Epsom Salts?
Magnesium sulfate
It separates isotopes according to charge and mass. What type of spectroscopic measures the masses of particles, ions, and isotopes?
Mass spectrometer