Biology
Chemistry
Physics
Chemistry 2
Physics 2
100
This is the human organ cleans fifty gallons of blood every day
What are kidneys?
100
This is the name for the element Sb
What is antimony?
100
This instrument is used to measure gas pressure
What is manometer?
100
This element is commonly used as part of disinfectants, as a bleaching agent, and to purify water
What is chlorine?
100
This law states that at a constant temperature, the volume of a fixed mass of gas is inversely proportional to its pressure
What is Boyle's Law?
200
This is the chemical equation for photosynthesis
What is carbon dioxide + water --> oxygen + glucose?
200
Chlorine, fluorine and bromine belong to this family of elements
What are halogens?
200
The main function of a ____ is to store electrical energy
What is a capacitor?
200
This 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
What is iron disulfide, FeS2?
200
This are the charges of the balloon and the wool, respectively, after the balloon has gained 2500 electrons after being rubbed with wool.
What is a negative charge for the balloon and a positive charge for the wool?
300
Botany is the study of ______
What are plants?
300
This is the main raw material used for making glass
What is sand or silica sand?
300
This term describes the bending of a light ray when it passes between materials of different densities
What is refraction?
300
This is the chemical formula of chromium (III) sulfate
What is Cr2(SO4)3?
300
_____ are emitted by the hot metal filament in a cathode ray tube
What are electrons?
400
The mandible is belongs to this part of the human body
What is lower jawbone?
400
This is the name of the following compound.
What is ethanol?
400
In the study of physics, this is what distinguishes a scalar from a vector
What is a scalar only has magnitude, and a vector has magnitude and direction?
400
This is the temperature at which no more energy can be removed from matter is called
What is absolute zero?
400
The first law of thermodynamics states the following
What is "Energy can not be created or destroyed"?
500
This is the name given to a catalyst, which occurs in nature to regulate the speed of chemical reactions in the metabolisms of living organisms.
What is enzyme?
500
This is the element that allows the heme group to bind to oxygen in hemoglobin.
What is iron?
500
An _____ solid has no definite arrangement pattern of atoms and/or molecules.
What is amorphous?
500
This is the pH of a 0.10 M solution of HCl
What is pH of 1?
500
This is the phenomenon of light that is responsible for a CDs colorful look when exposed to light
What is interference?