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WAD Words- 2nd Trimester
41 Words
41
Science
7th Grade
02/26/2008

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Term
giga-
Definition
symbol G, SI prefix meaning 1,000,000,000
Term
law of gravity
Definition
the law that states every particle attracts every other particle, with a force that is proportional to the square of the distance between them
Term
Valentina Tereshkova
Definition
the first woman in space, on Vostok 6
Term
astronomical unit
Definition
the average distance between the earth and the sun- equal to 149,597,890 km
Term
tides
Definition
the rising and falling of the ocean(s), which is cause by lunar and solar forces acting upon earth
Term
gibbous
Definition
when the moon appears more than half, but less than full
Term
mega-
Definition
an SI prefix meaning 1,000,000
Term
spring tide
Definition
a tide that occurs during the full and new moon, in which the water is generally higher
Term
neap tide
Definition
occurs during the first and last quarters, in which the water is generally lower
Term
latitude
Definition
imaginary lines that run parallel to the equator, and measure the distance north or south of it
Term
longitude
Definition
imaginary lines that run north to south, parallel to the prime meridian, and measure the distance east or west of it
Term
satellite
Definition
any object that revolves around another object
Term
protocol
Definition
the formal design of a research study that tells what, when, how, and why
Term
waxing
Definition
growing larger
Term
blue moon
Definition
when one month has two full moons, the second full moon is a blue moon
Term
shadow
Definition
the absence of light that is caused by light hitting an object
Term
waning
Definition
growing smaller
Term
analysis
Definition
breaking an idea down into various parts
Term
umbra
Definition
the fully shaded region of a shadow
Term
solar noon
Definition
the time during the day when the sun is at the highest point in the sky
Term
opaque
Definition
not translucent or transparent
Term
marsh
Definition
a wetland biome where grasses/rushes grow
Term
renewable resource
Definition
a resource that can be used over and over again
Term
climate
Definition
the weather in a certain place averaged over a long period of time. not the same as weather
Term
nonrenewable resource
Definition
a resource that cannot be replaced once it is used
Term
swamp
Definition
a wetland biome where trees/vines grow
Term
estuary
Definition
a biome where freshwater and saltwater meet
Term
kilo
Definition
the SI prefix meaning 1,000
Term
grassland
Definition
a biome where lots of grasses and very few trees grow
Term
desert
Definition
a hot, dry biome where only organisms that are specially adapted to heat live
Term
chapparal
Definition
a biome that is dominated by shrubs and organisms adapted to frequent fires and high daytime temperatures
Term
arctic tundra
Definition
a biome that is dominated by mosses and lichen, and that is very cold and barren
Term
alpine tundra
Definition
a biome found above the treeline on mountains
Term
permafrost
Definition
a permanently frozen layer of soil
Term
adaptation
Definition
any change an organism makes along with its environment to survive
Term
coniferous forest
Definition
a biome where mostly cone-bearing trees grow
Term
deciduous forest
Definition
a  biome where trees lose their leaves in the fall/winter
Term
tropical rainforest
Definition
a biome where there is lush vegetation, abundant rainfall, and lots of sun
Term
hecto
Definition
the SI prefix meaning 100
Term
biome
Definition
an area that is populated by certain specially adapted organisms
Term
diurnal
Definition
active during the daytime, as opposed to nocturnal
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