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3rd Quarter Review
Chapters 7-10
31
Science
4th Grade
03/04/2013

Additional Science Flashcards

 


 

Cards

Term
glacier
Definition
a huge river of ice moving slowly downhill
Term
landfill
Definition
a large area of land where garbage is buried
Term
weathering
Definition
a process that breaks down or changes rock
Term
landslide
Definition
a rapid downward movement of a large amount of soil and rock
Term
current
Definition
a stream of water moving like a river through the ocean
Term
precipitation
Definition
any moisture that falls from the air and reaches the ground
Term
tides
Definition
caused by the gravitational pulls of the sun and the moon
Term
non-renewable resource
Definition
coal
Term
humus
Definition
decayed plant and animal material
Term
fossil fuels
Definition
formed when plants and animals are buried quickly
Term
craters
Definition
hallowed-out places on the moon's surface
Term
surface currents
Definition
influence the climate of the land that they are near
Term
Maria
Definition
large, flat areas on the moon
s surface
Term
avalanche
Definition
occurs when a large amount of snow and ice suddenly moves down a mountain
Term
lunar eclipse
Definition
occurs when the sun's light on the moon is blocked by the earth
Term
the 3 R's of conserving our resources
Definition
reduce
reuse
recycle
Term
moon
Definition
smaller than the earth
Term
phases
Definition
the different shapes of the lit part of the moon
Term
moon
Definition
the earth's natural satellite
Term
natural resources
Definition
the materials in nature that God made for our use
Term
light
Definition
the moon does not make this on its own
Term
temperature
Definition
the moon has extreme changes in this between the side facing the sun and the side not
Term
erosion
Definition
the moving of weathered material from one place to another
Term
orbit
Definition
the path the moon takes around the earth
Term
water cycle
Definition
the path water takes as it travels between the earth and the air
Term
recycle
Definition
to process a new item from something old
Term
renewable resource
Definition
trees
Term
renewable energy
Definition
water
wind
sun
Term
evaporation
Definition
when water changes into water vapor
Term
condensation
Definition
when water vapor cools and changes to a liquid
Term
new moon
Definition
when you cannot see the moon at all
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