Science Flashcards
Mutually beneficial relationship between two animals
symbiosis
Atmospheric layer 7 to 30 miles up
Stratosphere
Term for wind speed above 72 miles per hour
Hurricane
Wind velocity scale
Beaufort scale
Hygrometer measures this
(Relative) humidity
The period between ice ages
Interglacial
Fossilized resin from prehistoric pines
Amber
Amoeba-like single cell organisms
Protozoans
The four forces of nature
Electromagnetic - Gravity - Strong and weak nuclear
What oviparous animals do
Lay eggs
Clouds composed of ice crystals
Cirrus
Poikilothermic animal
cold blooded
Broadest measure of living things
Kingdom
Citric acid “cycle”
Krebs cycle
It turns red in acid and blue in alkaline
Litmus paper
Acidic level “factor”
ph factor
Acid made from oak bark
Tannic acid
The science of heredity
Genetics
Organisms that combine algae and fungi
Lichens
Wavelength just longer than visible light
Infrared
Hydrogen isotope with atomic weight of three
Tritium
Hydrogen isotope with atomic weight of two
Deuterium
Lowest ignition point of a vapor
Flash point
Scientific name for southern lights
Aurora Australis
Scientific name for northern lights
Aurora Borealis
The solar wind colliding with Earth’s magnetc field creates this effect
Northern and Southern lights
Geologic epoch when man developed
Pleistocene
Clouds formed by convection
Cumulus
Wavelength just shorter than visible light
Ultraviolet
Rainy thunder-head type clouds
Cumulo-nimbus
Term for a mineral that glows under an ultra-violet light
Fluorescence
3-D imaging process
Holography
The first plastic developed
Celluloid
Term for water circling around a drain
Corolis effect
Lakes at high altitude
Seamount
Fast tropospheric winds
Jet stream
Low-lying clouds
Stratus
Equal and opposite force of centripetal
Centrfugal force
Term for the “skin” that develops on a surface of water
Surface tension
The study of rocks
Petrology
Neutral particle in an atom’s nucleus
Neutron
Positively charged particle in the nucleus
Proton
Center of an atom
Nucleus
Negatively charged atomic particle
Electron
Atoms of an element with same # of protons - different # of neutrons
Isotope
Ionic or covalent bonds join these
Atoms
The study of past artifacts
Archaeology
Theory that seeks to unite the four forces of nature
Unified field Theory
The study of man
Anthropology
An electron is this type of particle
Lepton
Ancient science of transmuting metals
Alchemy
The science of crime prevention and punishment
Penology
The science of projectiles
Ballistics
The science of agriculture
Agronomy
The science of heat and energy transfer
Thermodynamics
The science of light
Optics
The science of sound
Acoustics
The study of fossils
Paleontology
Bitter almond smelling gas
(Hydrogen) cyanide
Force applied to a body to maintain a circular orbit
Centripetal force
Solid carbon dioxide
Dry ice
tri-atomic oxygen
Ozone
NACL
Salt
HCL - found in the human stomach
Hydrochloric acid
H2SO4
Sulfuric acid
CO2
Carbond dioxide
General term for ultimate subatomic particles
Quarks
NH3
Ammonia
Particle or packet of light
Photon
Scientific name for laughing gas
Nitrous Oxide
Least amount of material needed for a nuclear reaction
Critical mass
Term it takes for radioactivity to decrease by 50%
Half life
The four states of matter
Solid - Liquid - Gas - Plasma
The act of joining atoms together
Fusion
The act of splitting atoms
Fission
Quark that holds the nucleus of an atom together
Gluon
Copper and tin alloy
Bronze
CO
Carbon Monoxide
Element used in car batteries
lead (Pb)
Element with the symbol Cm
Curium (named for Marie and Pierre Curie)
Element with the symbol Cl
Chlorine
Element with the symbol B
Bismuth
Element with the symbol As
Arsenic
Element with the symbol Ar
Argon
Element with the symbol Am
Americium
Last element in alphabetical order
Zirconium (Zr)
Materials made from two or more metals
Alloys
Elements used in rechargeable batteries
Nickel (Ni) - Cadmium (Cd)
Element with the symbol Fe
Iron
Element used to galvanize steel
Zinc (Zn)
Element used in fluorescent lights
Neon (Ne)
Element found in bones
Calcium (Ca)
Graphite element
Carbon
Most malleable and ductile metal
Gold (Au)
Nevada state metal - best electric conductor
Silver (Ag)
Element found in seaweed
Iodine (I)
“Color” Element
Chromium (Cr)
Element with the symbol No
Nobelium (named for Alfred Nobel)
Element with the symbol Se
Selenium
Element with the symbol Sb
Antimony
Element with the symbol S
Sulfur
Element with the symbol Rn
Radon
Element with the symbol Ra
Radium
Element with the symbol Pu
Plutonium
Element with the symbol Pt
Platinum
Element with the symbol Es
Einsteinium
Element with the symbol P
Phosphorus
Element with the symbol F
Fluorine
Element with the symbol Na
Sodium
Element with the symbol Mn
Manganese
Element with the symbol Ho
Holmium (named for Stockholm)
Element with the symbol Ge
Germanium (used in transistors)
Element with the symbol Ga
Gallium
Element with the symbol Fr
Francium
Element with the symbol Fm
Fermium (named for Enrico Fermi)
Light metal used in fighter aircraft
Titanium (Ti)
Element with the symbol Po
Polonium (named for Poland)
Father of soviet hydrogen bomb
Andrei Sakharov
Grey filament metal with highest melting temperature
Tungsten (W)
Scientist who discovered electromagnetic waves
Heinrich Hertz
Russian who developed theory of conditioned reflex
Ivan Pavlov
Monk who descoverd the principles of genetics
Gregor Mendel
Astronomer who proposed heliocentric solar system
Copernicus
Second English Astronomer Royal
Sir Edmund Halley
Astronomer with metal nose
Tycho Brahe
Scientist who established the periodic table of elements
Dimitri Mendeleyev
Father of rocketry
Robert Goddard
English scientist who discovered the properties of Hydrogen
Henry Cavendish
French father of modern chemistry
Antoin Lavoissier
English father of modern chemistry
Robert Boyle
Father of nuclear navy or nuclear submarine
Hyram Rickover
Father of the hydrogen bomb
Edward Teller
Father of the atom bomb
Robert Oppenheimer
Silver and tin alloy
Pewter
Copper and silver alloy
Sterling silver
Element with the symbol Xe
Xenon
Saturn V rocket developer
Werner von Braun
Heaviest non man-made element
Uranium (U)
Copper and zinc alloy
Brass
Blue metal
Cobalt (Co)
Earth’s most abundant metal
Aluminum (Al)
Lightest common metal
Magnesium (Mg)
Second-lightest metal
Potassium (K)
Lightest metal
Lithium (Li)
Atmosphere’s most abundant element
Nitrogen (N)
Scientist who discovered the structure of he atom
Neils Bohr
Earth’s most abundant element
Oxygen (O)
Metal which is liquid at room temperature
Mercury (Hg)
Second-lightest element
Helium (He)
Lightest element
Hydroge (H)
Scientist who proposed the theory of the expanding universe
Edwin Hubble
Scientist who first learned of fermentation
Louis Pasteur
German scientist who established quantum theory of radiation
Max Plank
French scientist of optics and geometry
Rene Descartes
Italian physicist who discovered radioactive elements
Enrico Fermi
English scientist who discovered sodium and potassium
Sir Humphry Davy
Earth’s second most abundant element
Silicon (Si)