Stack #54654 Word Scramble
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Term | Description |
Mercury | small, rocky craters, 2nd smallest planet, dense iron core, no moon |
Venus | hottest, iron core, almost same size and mass of earth |
Earth | only planet that supports life, densest planet |
Mars | closest to Earth, dry, rocky , dusty RED PLANET, iron core |
Jupiter | mainly gas, largest planet, 5th planet from sun |
Saturn | 2nd largest planet, made of hydrogen and helium,9.4 X diameter of Earth, rings of rock and ice |
Uranus | 3rd largest planet, lays on side, mostly methane gas, frozen w/ molten core |
Neptune | 4th largest planet, Gasseus, giant, frigid blue |
Pluto | oval shaped orbit, smallest planet, 2/3 diameter of Earth's moon, may be just an astroid |
comet | a celestial body, head of ice gas and dust, tail of dust and ionized gas |
asteroid | made of rock and iron, orbit sun, |
meteor | small part of broken asteroid |
sun | largest star, source of all Earth's energy, ball of plasma |
moon | natural satellite of Earth: gravitational forces cause tides |
meteorites | remnants of meteors that fall to earth |
gravity | force of attraction or pull between objects |
inertia | tendency of a moving object to keep moving |
Newton's 1st law | without force a body at rest stays at rest, a moving body continues moving without force to stop it. |
Newton's 2nd law | acceleration=force/mass |
Newton's 3rd law | force of a downward object equals force of upward object, force comes in pairs |
conduction | ex. place a hot object with cold object and both become warm |
convection | internal energy moves from place to place |
radiation | tranfer of energy from one place to another as light |
wave length | distance from one crest to the next |
refraction | bending of light as it passes from more dense to less dense mediums |
reflection | waves bouncing off a suface |
diffraction | bending of waves around an object |
sound characteristics | speed, frequency, wavelength, amplitude |
wave phenomena | reflection, refraction, diffraction, displacement |
interference | when waves travel through same medium at the same time |
light | made of photons |
fission | nucleus of high mass is split, used for commercial energy |
fusion | merging of different elements, not used as power source yet |
fission | heavy nucleus breaks up to form light nuclei |
fission | reactions can be spontaneous |
fission | chain reaction can sustain the reaction, once started |
fusion | no chain reaction is present |
fusion | reaction can never be spontanious |
fusion | two light nuclei combine to form a heavy nuclei |
matter | anything that has MASS and VOLUME |
mass | amount of matter in an object |
volume | amount of space an object takes up |
weight | measure of the force of gravity between two objects |
length | measure of distance from point A to point B |
temperature | measure of average kinetic energy of particles |
density | mass per unit of volume |
energy | to do work, move matter |
light | wavelengths are sensed as colors |
sound | does not travel in vacuum |
light | part of electromagnetic spectrum of waves |
inclined plane | slanted surface, ramp to move objects across distances |
lever | arm that pivots against a fulcrum |
pulley | reverses direction of force with a cord wrapped around a wheel |
oxidation | loss of an electron by a molecule, atom or ion |
reduction | gain of an electron by a molecule, atom or ion |
chemical bonding | atoms being held together in molecules or crystals |
catalyst | substance that accelerates chemical reaction without being tranformed |
reducing agent | loses electrons and is oxidized |
oxidizing agent | gains electrons and is reduced |
static electricity | imbalance of positive and negative charges |
electric current | movement of electrons that flow |
series circuit | electrons follow a single path from source to destination |
parallel circuit | more than one path is provided for electrons to flow |
kinetic energy | form of energy associated with motion |
potential energy | stored energy |
electrical energy | energy of moving electrons |
thermal energy | energy of heat |
radiant energy | energy of electromagnetic waves and light |
nuclear energy | stored energy of chemical nuclei |
cause electricity | movement of electrons escaping from atom |
cause magnetism | spinning of electrons while still part of atom |
velocity | speed and direction of an object |
speed | rate or measure of motion |
displacement | how far an object has moved |
distance | how far an object has traveled |
acceleration | rate at which speed or direction is changing |
Periodic tables purpose | predict possibilities of new elements |
Periodic tables purpose | classify elements into groups w/ similar properties |
covalent bonding | two or more atoms share electrons to achieve chemical stability |
ionic bonding | atom w/ tendency to lose electrons + atom w/ tendency to gain electrons=chemical stability |
molecule | tightly bonded groups of atoms |
compound | molecule that contains at least two different elements |
single atom | smallest part of an element |
protons | positive charge |
nuetrons | no charge |
electrons | negative charge |
solution | mixture where one substance dissolves in another |
protons and nuetrons | stay in nucleus |
atoms | matter is composed of these |
nucleus | center of an atom |
orbitals | where electrons are found |
gases | spread to fill container, can be compressed |
liquids | not easily compressed,take shape of container |
solids | keep shape, cannot be compressed |
minerals | solid material of earth's crust w/ a definite composition |
metamorphic rock | formed from heat and pressure inside the earth |
igneous rock | formed from magma |
sedimentary rock | materials cement together by chemicals or pressure |
sea | large expanse of saline water connected to an ocean |
weather | daily conditions in atmosphere |
climate | atmospheric conditions of a region over time |
results of plate tectonics | form igneous rock, volcanoes, faults, islands form, mountains form |
strait | narrow body of water connecting two larger bodies of water |
swamp | freshwater wetland |
tributary | stream or river that flows into a larger river |
mesa | land formation w/ flat top and steep walls |
ocean | large body of salt water surrounding a continent |
peninsula | body of land surrounded by water on three sides |
river | large flowing body of water connected to a sea or ocean |
plateau | large flat area of land that is higher than surrounding land |
plain | flat lands w/ small changes in elevation |
sea | large body of salt water connected to an ocean |
sound | wide inlet of sea or ocean that is parallel to coastline |
equator | imaginary line halfway between N and S poles |
estuary | where a river meets a sea or ocean |
glacier | slowly moving river of ice |
gulf | part of ocean partly surrounded by land |
isthmus | narrow strip of land connecting two larger land masses |
archipelago | group of islands clustered together |
bay | body of water partly enclosed by land, smaller than a gulf |
butte | flat topped rock or hill w/ steep sides |
canyon | deep valley w/ very steep sides |
cape | pointed piece of land that sticks out into a large body of water |
cove | horseshoe shaped body of water along a coastline |
Continents (seven) | Africa, Antarctica,Asia,Australia, Europe, North America, South America |
channel | body of water that connects two larger bodies of water |
dune | hill or ridge made of sand |
Benthic realm | organisms that live on the sea floor |
Pelagic realm | organisms that live in the water(diatoms) |
oxytocin | hormone that stimulates uterine contractions |
lactation | milk production in females |
semen | made up of sperm and secretions |
female gonads | ovaries |
male gonads | testes |
testes | produce sperm and testoserone |
ovaries | produce eggs and estrogen |
meiosis | process that produces sperm |
gonads | sex organs that produce gametes |
food chain example | grass-grasshopper-mouse-snake-hawk |
ultimate source of energy | sun |
inorganic nutrients | are recycled, energy is not |
ultimate fate of energy | lost as heat in ecosystem |
Darwinian view | predicts that evolutionary transitions should leave signs in fossil record |
Oldest known fossils are of Prokaryotes | evidence that supports Darwin |
new breed of dog | genetic |
person's physical activity level | environmental |
color of a chameleon | environmental |
speed of race horses | genetic |
long necks of giraffes | genetic |
altitude where you live | environmental |
traits | physical characteristics in living things |
Genetics | study of heredity |
heredity | tranference of traits from parent to offspring |
inheritence | process by which offspring become predisposed to traits of parent |
how the body fights disease | tonsils, lymph system,thymus, spleen, appendix, bone marrow |
bacteria | can adapt to surroundings |
bacteria | many are beneficial |
viruses | only reproduce inside living cell |
viruses | are dormant w/ out a host |
bacteria | have ribosomes |
bacteria | can reproduce independently |
viruses | have a protein coat and core of genetic material |
bacteria | can be killed w/ antibiotics |
viruses | antibiotics will not kill them |
viruses | intracellular parasite |
photosynthesis | process of harnessing energy of sunlight to produce food for plants |
taxonomy | classification of things |
basic needs of life | food, water, air , space , shelter |
hierarchy of biological organization | organism-organ-tissue-cell-organelle-molecule |
tissues | cells work together |
organs | tissues work together |
systems | organs work together |
cells | organelles work together |
define the question | 1. scientific method |
gather information | 2. scientific method |
form hypothesis | 3. scientific method |
perform experiment/ collect data | 4. scientific method |
analyze data | 5. scientific method |
interpret data/ draw conclusions | 6. scientific method |
publish results | 7. scientific method |
purpose of scientific method | to propose explanations for natural phenomena |
hypothesis | guess regarding outcome of the change to the system being studied |
Aristotle | earth, air , fire ,water |
13th century | Aquinas and Magnus |
Roger Bacon | urged people to "look at the world" |
16th century Francis Bacon | advocated experimentalism |
Nicolaus Copernicus | said earth is round and revolves around the sun |
17th century | Newton, Galileo, Archbishop James Usher |
dependent variable | what you are measuring |
independent variable | what you are in control of |
Linnaean classification system | Kingdom, phylum, class, order, family , genus, species |
rhyme to remember Linnaean classification of Kingdom, phylum, class, order, family, genus, and species | King Phillip Came Over From Germany Swimming |
Charles Darwin | was a naturalist on the HMS Beagle |
population | all members of one species in a given area |
community | interaction of different species in a given area |
ecosystem | community plus temperature, humidity, light etc. |
biosphere | the sum of the planet's communities and ecosystems |
Barents sea | warm, salty Atlantic water from North Atlantic drift |
Barents sea | cold arctic water from the north |
Barents sea | warm coastal water from Altantic and Polar waters |
Caribbean sea | tropical,adjacent to Atlantic ocean, southeast of Gulf of Mexico |
Grand Banks | group of under water plateaus on the North American continental shelf |
S. China sea | marginal, part of the Pacific,from Singapore to Strait of Taiwan |
Created by:
tifferdu
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