Biology
What human organ cleans fifty gallons of blood every day?
Kidneys
Name the element: Sb
Antimony
Name the instrument used to measure gas pressure?
Manometer
Which element is used as a disinfectant, as a bleaching agent and to purify water?
Chlorine
Which law states that at a constant temperature, the volume of a fixed mass of gas is inversely proportional to its pressure?
Boyle's Law.
How many functions does the human liver have?
More than 500 separate functions
Chlorine, fluorine and bromine belong to which family of elements?
Halogens
What is the function of a capacitor?
It stores electrical energy.
Which mineral’s luster and brass-yellow hue has earned it the nickname ‘Fool’s Gold’ due to many miners mistaking it for the real thing?
It is iron disulfide, FeS2
What is the name for the unit of the optical power of a lens?
Dioptre
Botany is the study of what life form?
Plants
What raw material is used for making glass?
Sand
What is the term used to describe the bending of a light ray when it passes between materials of different densities?
Refraction
What is the chemical formula of tin (II) acetate?
(CH3COO)2Sn
What is emitted by the hot metal filament in a cathode ray tube?
Electrons
What part of the human body is the Mandible?
Lower Jawbone
Identify the compound: C2H5OH
Ethanol
In the study of physics, what distinguishes a scalar from a vector?
A scalar only has magnitude. A vector has magnitude and direction.
What reagent could oxidize an alcohol to a carbonyl?
Sodium Hypochlorite
Can you name the phenomenon of light that is responsible for a CDs colorful look when exposed to light?
Interference
What evidence falsified the Davson and Danielli model?
- Membrane proteins were discovered to be insoluble in water (indicating hydrophobic surfaces) and varied in size
- Fluorescent antibody tagging of membrane proteins showed they were mobile and not fixed in place
- Freeze fracturing was used to split open the membrane and revealed irregular rough surfaces within the membrane
Zymurgy is a branch of chemistry concerning what process?
Brewing fermentation
What is a word used to describe a solid whose arrangement of atoms and molecules has no definite pattern?
Amorphous
What is the pH of a .1 M solution of HCl?
1
An archer pulls back 0.75 m on a bow which has a stiffness of 200 N/m. The arrow weighs 50 g. What is the velocity of the arrow immediately after release?
v = 47.4 m/s