Chemistry
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
What is an Ion?
A quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.
What is a vector?
The smallest structural and functional unit of an organism.
What is a cell?
This bone of the forearm shares its name with a geometry term
What is the radius?
This type of bond is formed by 2 atoms each contributing 1 electron to a shared electron pair
What is a covalent bond?
Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, and Iodine are all considered these types of molecules.
What are Diatomic Molecules?
Normally your mass doesn't change but your weight does when this force changes
What is the force of gravity?
This branch of science is concerned with the classification of organisms.
What is taxonomy?
High concentrations of these nodes in the human body are located in the armpits & groin
What is lymph?
This elementary particle that makes up light has no mass or electric charge
What is a photon?
When helium-4 is cooled below 2.17 K it becomes a super this able to comb walls & flow frictionlessly .
What is a superfluid?
In 1609 he published New Astronomy containing his first 2 laws of planetary motion
Who is Johannes Kepler?
This butterfly-shaped gland controls the rate at which cells burn food & produce energy.
What is the thyroid gland?
Rhyming names of 2 of the respiratory system's passageways.
What is the larynx and pharynx?
This state of matter is bypassed in sublimation
What is liquid?
Before this element can be used in a fission reactor it has to be enriched to increase the level of its 235 isotope
What is Uranium?
Some versions of this 6-letter theory said that space-time had exactly 10 dimensions
What is String Theory ?
While red bone marrow gets its color from developing red blood cells yellow marrow gets its color from this
What is fat?
Riding shotgun on the kidneys, these glands weigh barely 5 grams each, but produce vital hormones
What are the adrenal glands?
Hydrated ferric oxide is the scientific name for this
What is rust?
Milk is an example of this suspension of tiny drops of one liquid in another
What is an emulsion?
In 1865 physicist Rudolf Clausius coined this term for the measure of disorder or randomness in a system
What is entropy?
This organelle in a typical cell provides the function of ribosome production.
What is the Nucleolus?
Heart sac is another name for this 2-layered sac that surrounds the heart.
What is the pericardium?
Melvin Calvin won a 1961 Nobel Prize for mapping the chemical reactions in this plant process
What is photosynthesis?