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7th Grade Science Finals
FULL SET (5 worksheets)
101
Science
7th Grade
06/16/2009

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Cards

Term
organ
Definition
a group of tissues that work together for a specific job
Term
organ system
Definition
a series of organs working together for a specific purpose
Term
cell
Definition
the most basic unit of life
Term
biologist
Definition
a scientist who studies about living organisms
Term
inference
Definition
a conclusion based on an observation
Term
hypothesis
Definition
a testable prediction about an observation
Term
quantitative
Definition
an observation that uses numbers or measurements
Term
variable
Definition
a factor that can affect the outcome of an experiment
Term
controlled
Definition
a variable that stays the same
Term
observation
Definition
information gathered using your senses
Term
subduction
Definition
the American mountains in the northwest formed from
Term
igneous rock
Definition
lava cool and forms
Term
diverge
Definition
new crust is formed where two plate boundaries
Term
Big Bang Theory
Definition
explains the origin nof the Earth
Term
geologist
Definition
"Scientists who study Earth's origin, hihstory, structure, processes"
Term
asthenosphere
Definition
the layer of the earth that the lithosphere floats on
Term
convergent
Definition
a boundary where two plates collide
Term
transform fault
Definition
a boundary where plates slide past each other
Term
converction currents
Definition
movement of materials caused by difference in temperature
Term
subduction
Definition
process where one lithohspheric late slides under another plate
Term
sea floor spreading
Definition
Continental drit was proven with the discovery of
Term
lava
Definition
liquid or molten material that makes its way to Earth's surface
Term
magma chamber
Definition
an area below Earth's surface where magma collects
Term
chromosomes
Definition
structures that contain DNA
Term
one
Definition
number of nuclei in a cell
Term
ATP
Definition
molecule that stores energy in the cell
Term
humidity
Definition
the amount of water in the air
Term
"glucose, oxygen"
Definition
two products of photosynthesis
Term
nucleus
Definition
control center of the cell
Term
chloroplast
Definition
photosynthesis occurs in the organelle
Term
mitochondria
Definition
organelle where cell repisration takes place
Term
vent
Definition
opening in a volcano where volanic materials are released
Term
climate
Definition
the average weather conditions for a particular area
Term
sea plants
Definition
Mendel studied genetics using
Term
"water, carbon dioxide"
Definition
Two ingeredients of photosynthesis
Term
meteorologist
Definition
scientist who studies weather
Term
interphase
Definition
phase when DNA is copied
Term
cell
Definition
basic unit of life
Term
greenhouse effect
Definition
build up of heat from trapped heat from the sun
Term
hot spot
Definition
Magma flows to Earth's surface creating volcanic islands
Term
lightning
Definition
electrical discharge from a thunderstorm
Term
punnett square
Definition
tol used to check the porbablity of inheriting a certain trait
Term
cirrus
Definition
"high, thin feathery clouds"
Term
Latin
Definition
language used for naming things
Term
genotype
Definition
combination of inherited genes
Term
global warming
Definition
rise in world temperatures
Term
pollen
Definition
sex cells of a lalnt are located in
Term
chromosomes
Definition
segments of DNA that carry hereditary information
Term
altitude
Definition
the height of an object above the Earth's surface
Term
phenotype
Definition
organism's inherited appearance
Term
cumulus
Definition
white fluffy clouds
Term
wind
Definition
moving air
Term
evergreen
Definition
tree types that do not loose their leaves
Term
sporophyte
Definition
life cycle of a plant when it produces spores
Term
stable
Definition
jets fly in an atmosphereic layer that is
Term
"tap, fibrous"
Definition
two types of roots in a plant
Term
chloroplast
Definition
the organelle where chlorohyll absorbs the sun's energy
Term
air pressure
Definition
measure of a force with which molecules push on a surface
Term
Mendel
Definition
Father of genetics
Term
sun
Definition
Earth's main source of energy
Term
deciduous
Definition
type of trees that lose their leaves in the fall
Term
producers
Definition
plants make their own food and are called
Term
seed dispersal
Definition
"gravity, wind, animals can all cause"
Term
leaf
Definition
plant structure that collects sunlight and converts it to glucose
Term
hurricane
Definition
large rotating tropical storm
Term
atomosphere
Definition
mixture of gases that surround earth
Term
cuticle
Definition
Waxy layer that coats the leaves and stems of a plant
Term
seismograph
Definition
measures earthquakes
Term
humidity
Definition
amount of moisture in the air
Term
stem
Definition
part of a plant that transports materials throughout a plant
Term
folding
Definition
rock layers that have been bent from Earth's inner forces
Term
front
Definition
where two air masses meet
Term
continental drift
Definition
explains why the continents were once one large land mass
Term
epicenter
Definition
point on the Earth's surface where an earthquake began
Term
stigma
Definition
structure in a plant that produces pollen
Term
pollution
Definition
"contamination of water, soil, air"
Term
carbon dioxide
Definition
ingredient ofphotosynthesis
Term
lava
Definition
igneous rock forms from cooling
Term
altitude
Definition
height above the Earth's surface
Term
leaf
Definition
part of the plant responsible for photosynthesis
Term
Alfred Wegner
Definition
hypothesized that Earth's continents were not always where they are
Term
osmosis
Definition
water diffuses in and out of a cell
Term
tissue
Definition
group of cells working together performing a specific function
Term
organization of life
Definition
cell-tissue-organ system
Term
diffusion
Definition
movement from an aare of high concentration to low
Term
Pangea
Definition
supercontinent that existed over 250 million years ago
Term
algae
Definition
plants originated from
Term
gymnosperm
Definition
plant that does not bare flowers
Term
mitosis
Definition
process of cell division that forms two new cells
Term
endocytosis
Definition
process where a cell brings a large particle into the cell
Term
two new cells
Definition
the result of mitosis and cytokinesis
Term
Plate Tectonics
Definition
earth's surface is made up of rigid plates
Term
omnivore
Definition
organisms that eat both lants and animals
Term
plants
Definition
forms a plate during the cell cycle
Term
exocytosis
Definition
cell gets rid of large particles through this process
Term
fermentation
Definition
produces lactic acid in muscle cells
Term
"glucose, oxygen"
Definition
two ingredients in cell respiration
Term
4.6 billion years old
Definition
Age of Earth
Term
adaptation
Definition
a plant cuticle is an
Term
Big Bang Theory
Definition
our solar system was made from gas and dust
Term
procrastinate
Definition

Megan likes to wait til the last minute to study :)

 

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