Flashcards for miss divito’s 7th grade end of the year review

Term Definition
Fluid Anything that flows and fills its container such as a liquid or a gas
Front The boundary separating 2 or more different types of air masses
High Pressure Area/ System An area where the atmospheric pressure is greater than the rest of the atmosphere
Hurricane Another name for a tropical cyclone that typically forms in the Atlantic ocean
Lightning An electrostatic discharge or sudden and momentary flow of electric charge through the atmosphere between the clouds and the ground
Low Pressure Area/ System An area where the atmospheric pressure is lowest compared to the surrounding area
Occluded Front Formed when a cold front overtakes a warm front and in the process "cuts off" the warm front from contact with the ground
Stationary Front A boundary between two different air masses, neither of which is strong enough to replace the other
Storm Any disturbance in the atmosphere, especially affecting it's surface, and strongly implying serve weather marked by strong wind,thunder,lightning, and heavy precipitation
Storm Surge An offshore rise of water caused primarily by high winds pushing on the ocean's surface which force the water to pile up higher than the ordinary sea level
Thunder A sonic shock wave (sonic boom) created from the rapid expansion and explosion of the air molecules surrounding and within a bolt of lightning, due to increases in pressure and temperature
Thuderstorm A weather phenomena that results from the rapid upward movement of warm, moist air inside air masses or at fronts and are characterized by the presence of cumulonimbus clouds, lightning, thunder, and different types of precipitation
Tornado A violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud or,in rare cases,the base of a cumulus cloud
Tropical Cyclone A storm system that develops over large bodies of warm water at specific temperatures and is categorized by a large low-pressure center surrounded by numerous rotating thunderstorms that produce strong winds and heavy rain
Typhoon The name given to a tropical cyclone that typically forms in the western pacific and Indian oceans
Warm Fronts Defined as the leading edge of a warm air mass overtaking a cooler, slower air mass

force and motion

Question Answer
Drag resistance by friction from air or water moving over a surface
Equilibrium balance
Deceleration slowing down
Newton a unit of force
Pivot a fixed point supporting something that turns or balances
Axis an imaginary line that an object spins or revolves around
Pressure the force per unit area exerted on an object
energy in physics, the ability to work
impulse something that  changes the momentum of an object.  As a measurement, it equals  the objects mass multiplied by its velocity.  For spinning things there is a related idea called angular momentum. 
projectile an object that has been put into motion in the air by some force.

SCIENCE

Term Definition
The continental shelf the area of seabed around a large landmass where the sea is relatively shallow compared with the open ocean. The continental shelf is geologically part of the continental crust.
The continental slope the slope between the outer edge of the continental shelf and the deep ocean floor
The continental rise is an underwater feature found between the continental slope and the abyssal plain.
Abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m.
Mid-ocean ridges a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling
Rift valley a large elongated depression with steep walls formed by the downward displacement of a block of the earth's surface between nearly parallel faults or fault systems.
Sea mounts a submarine mountain.
Ocean trenches a long, narrow, deep depression in the ocean floor, typically one running parallel to a plate boundary and marking a subduction zone.

Det er jo sandt det jeg siger

Term Definition
Hvad er dette?
?_max*T=2,9•(10)^(-3) m*K
Wiens forskydningslov
Hvad er dette?
z=(?-?_0)/?_0
Rodforskydningstal
Hvad er dette?
v=z•c
Radialhastigheden
Hvad er dette?
?_2/?_1=d_2/d_1
Einsteins ligning for den kosmologiske rodforskydning

Astronomi

Question Answer
Hvilken type stjerne er Solen? Gul dv?rgstjerne.
Hvilke grundstoffer bestar Solen af? Brint, helium og andre stoffer.
Hvorfor har Manen faser? Manen lyser ikke selv, men reflektere Solens lys.
Hvad kaldes Manens faser? Nymane, tiltagende mane, fuldmane, aftagende mane og halvmane.
Hvorfor ser vi altid den samme side af Manen fra Jorden? Skyldes pga. "bunden rotation".
Hvorfor forekommer der maneformorkelser? Fordi Manen bev?ger sig ind i Jordens skygge.
Hvor stammer lyset fra Solen hovedsageligt fra? Fra den nederste atmosf?relag (fotosf?ren).
Hvad kaldes Solens atmosf?re omrader? Fotosf?ren, Kromosf?ren og Koronaen.
Hvilke 2 typer stjerner bestar M?lkevejen hovedsageligt af? Orange dv?rgstjerner og rode dv?rgstjerner.
Hvad er et galaktisk ar? Solens omlobstid om centret er et galaktisk ar.

Unit 3

Question Answer
Atom The smallest particle into which an element can be divided and still be the same element
Electron Negatively charged particles
Nucleus A small,dense center that has a positive charge and is surrounded by moving electrons
Proton Positively charges particles
Neutron Uncharged particles
Electron Cloud A region around the nucleus where electrons are likely to be found
Atomic Number The number of protons in the nucleus
Mass Number Total number of protons and neutrons in an atoms nucleus
Periodic Table An arrangement of the elements in order of their atomic number
Chemical Symbol Abbreviation for the elements name
Average Atomic Mass Weighted average of the masses of all naturally occurring isotopes of that element
Metal Elements that are shiny and conduct heat and electricity well
Nonmetal Poor conductors of heat and electricity
Metaloid Elements that have some properties of metals and some properties of nonmetals
Group Vertical columns of elements on the periodic table
Period Horizontal row of elements on the periodic table

Vocabulary

Term Definition
atom is the smallest particle into which an element can be divided and still be the same element.
electron negatively charged particles.
nucleus a small, dense center that has a positive charge and is surrounded by moving electrons.
proton Positively charged particles in the nucleus.
neutron uncharged particles.
electron cloud electrons move within an area around the nucleus.
atomic number the number of protons in the nucleus of an atom.
mass number the total number of protons and neutrons in an atoms nucleus.
periodic table Mandeleevs arrangement of the elements.
chemical symbol is an abbriviation for the elements name.
average atomic mass of an atom weighted average of the masses of all the naturally occuring isotopes of that element.
metal are elements that are shiny and conduct heat and electricity.
nonmetal are poor conductors of heat and electricity.
metalloid are elements that have some properties of metals and some properties of nonmetals.
group vertical column of elements on the periodic table.
period each horizontial row of elements on the periodic table.

Flashcards for Miss DiVito’s 7th grade end of the year review

Term Definition
Amoebae Single-celled life-form characterized by an irregular shape and move using pseudopodia, or temporary projections of eukaryotes.
Autotrophs Organisms that make their own food.
Cillium "hair-like" structures that outer membrane of some cells specialized for locomotion or movement.
Cytoplasm A gel-like substance residing between the cell membrane holding all the cell's organelles, except for the nucleus.
Cytoplasmic Streaming The directed flow of cytosol or the liquid component of the cytoplasm around plant cells.
Euglena a protist that can both eat food as animals by heterotrophy; and can photosynthesize, like plants, by autotrophy.
Eukaryotes Cellular organisms that contain nuclei.
Flagellum A "tail-like" structure attached to the outer membrane of some cells specialized for locomotion or movement.
Heterotroph Organisms that cannot make their own food.
Multicellular Organisms that are composed of many cells.
Paramecium A group of unicellular protozoa, which are commonly studied as a representative of the ciliate group, or cilia movement
Phagocytosis The cellular process of engulfing solid particles by reshaping the cell membrane.
Prokaryotes Cellular organisms that lack a nucleus
Protists Eukaryotes that cannot be classified as animals, plants, or fungi.
Protozoa A diverse group of single-cell eukaryotic organisms, many of which are motile
Unicellular Single celled organisms
Volvox A type of green algae and form spherical colonies of up to 50,000 cells who live in a variety of freshwater habitats
Active Transport Use energy to "carry" substances into a cell
Cell Basic unit of structure and function in living things. It is the basic building block of life
Cell Membrane Found in plant and animal cells
A double lipid layer that has proteins embedded in it.
Cell Wall It gives protection and support
It is found in plant, not animal, cells.
Chloroplast Found in plant cells only

Flashcards for Miss DiVito’s 7th grade end of the year review

Term Definition
Capillary Tiny blood vessels that connect the smallest arteries to the smallest veins exchanging oxygen, metabolic waste products, and carbon dioxide between blood and tissue cells.
Circulatory System The system of organs and structures by which blood and lymph are circulated throughout the body.
Gas Exchange The diffusion of gases from an area of higher concentration to an area of lower concentration, especially the exchange of oxygen and carbon dioxide between and organism and its environment.
Lungs A pair of organs, the principal parts of the respiratory system, at the front of the cavity of the chest in which the lungs transfer oxygen from the air into the blood, while carbon dioxide is removed from the blood and exhaled.
Respiratory System The integrated system of organs involved in the intake and exchange of oxygen and carbon dioxide between the body and the environment including the nasal passages, larynx, trachea, bronchial tubes, and lungs.
Trachea The tube connecting the mouth to the bronchial tubes that carries air to the lungs; also called windpipes.
Artery Any of the blood vessels that carry oxygenated blood away from the heart to the body's cells, tissues, and organs.
Blood Pressure The pressure of the blood in the vessels, especially the arteries, as it circulates through the body.
Gene A gene is the set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific protein.
Recessive Allele An allele, form of gene, whose trait is masked when a dominant allele is present and working correctly.
Sexual Reproduction A form of reproduction in which a new organism is created by combining the genetic material of two organisms of the same or similar genetic species.
Sperm Cell The "male" sex cell' contains 1/2 the genetic information of the male parent.
Adenine A nitrogen base that pairs with Thymine in DNA and Uracil when found in RNA.
Amino Acid A small molecule that is linked chemically in ribosomes to other amino acids to form proteins.
Cell Cycle The series of events that takes place in a cell leading to its division and duplication.
Chromosomes A double rod of condensed chromatin; contains DNA that carries genetic information.
Cytokinesis The final stage of the cell cycle, in which the cell's cytoplasm divides, disrupting the organelles into each of the 2 new cells and a new cellular membrane forms around each new cell.
Cytosine A nitrogen base that only pairs with Guanine when found in a DNA and RNA.
DNA Deoxyribonucleic Acid; the genetic material that carries information about an organism creates proteins and is passed from parent to offspring.
Guanine A nitrogen base that only pairs with Cytosine when found in DNA and RNA.
Interphase The 1st stage of the cell cycle that takes place before cell division occurs.
Mitosis The stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell.
mRNA RNA molecule that copies the coded message from DNA in the nucleus and carries the message to ribosomes in the cytoplasm.
Nitrogen Based Air A nitrogen-containing molecule that are the building blocks of DNA and RNA.
Replication The process by which a cell makes a copy of the DNA in its nucleus.
Thymine A nitrogen base that only pairs with Adenine when found in DNA.
tRNA RNA molecule found in the cytoplasm of the cell that carries amino acids to the ribosomes and add it to the the growing protein chain.
Anaphase The stage of mitosis or meiosis when chromosomes move to opposite poles of the cell. Anaphase accounts for approximately 1% of the cell cycle's duration.
Chromatin Section of DNA that is primarily responsible for compressing and decompressing DNA into chromosome form during the Cell Cycle.
Diploid The number of chromosomes in a non sex cell; typically double those of the gametes or sex cells.
Haploid The number of chromosomes in a sex cells or gamete.
Organelles A specialized part of the cell, it means little organ.
Osmosis Diffusion of water through a membrane. No energy needed. The movement of water from an area of higher concentration to an area of lower concentration.
Ribosome (Free or Bound) Found in plant/animal cells. Small round structures found on the rough endoplasmic reticulum and floating around in cytoplasm. These are the protein factories of the cell and is where amino acids are combined to make the proteins our bodies need to live.

Flashcards for Miss Divito’s 7th grade end of year review

Term Definition
Transpiration The process of water evaporating from the leaves of plants during photosynthesis.
Water Cycle The repeating processes that move water in different forms between Earth's surface and the atmosphere.
Water vapor Water in the atmosphere that is in the form of gas.
Weather The conditions of the Earth's atmosphere at a particular time and place.
Weather patterns Weather that repeats itself in a predictable way.
Alto A word to prefix meaning of mid altitude.
Cirro A word to prefix meaning of high altitude.
Cirrus A type of cloud that is formed from ice crystals at high altitudes.
Cumulo A word to prefix meaning "heaped".
Cumulus A type of cloud that is puffy or heaped in appearance,has distinct edges.
Nimbo A word to prefix meaning rain.
Nimbus A word suffix meaning rain-ex.cumulonimbus.
Stratus A type of cloud forms in horizontal layers and blankets the sky.
Temperature Average kinetic energy of the molecules in a substance.
Condensation The process of a gas changing into a liquid.
Dew piont The temperature at which water vapor will start to condense out of the air as liquid water.
Evaporation the process of a liquid changing into a gas.
Ground water Water beneath the earth's surface.
Humidity The amount of water vapor in the air.
Meteorologist A scientist who studies the atmosphere,weather and climate.
Pattern Something that repeats itself in a predictable way.
Porous Full of holes or small spaces which allow the entry of water and air.
Precipitation Any type of liquid or solid water that falls to the earth's surface.
Runoff Liquid precipitation that is not absorbed into the ground.
Air Mass An air mass is a huge body of air that forms over a region characterizing it with a similar temperature, humidity and pressure at any given height.
Cold Front The leading edge of a cooler air mass,replacing or overtaking a warmer air mass