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7th Grade Science Finals
nvms - PART 2
40
Science
7th Grade
06/16/2009

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Cards

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
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