Download Weather and Seasonal Changes SOL 2.6 a

Weather and Seasonal Changes SOL 2.6 a-c, 2.7 b
Important Vocabulary
2.6
weather – changes in the atmosphere
The
Earth’s
weatherofchanges
continuously from day to day. Changes in wind,
forecast
– a prediction
the weather
temperature,
precipitation
are
easy examples to notice. Weather influences human
meteorologist –and
a person
who studies
weather
activities
the way
we dress,
the food
we eat, and the outdoor activities we
flood - thelike
condition
or effect
of too much
precipitation
participate
in.
drought – a long period of time without rain
rain – the liquid form of precipitation
Cloud – water droplets and/or ice particles clumped together in the sky
snow – a type of precipitation made up of ice crystals
QuickTime™ and a
decompressor
are needed to see this picture.
Weathering
– the wearing
downstorm
of the
surface
(example
– the
down
hurricane – a slowly-spinning
tropical
thatEarth’s
forms over
water and
has winds
of atbreaking
least 74 mph
blizzard – a weather
condition
containing
high winds and snow, causing little visibility
rocks into
smaller
pieces)
thunderstorms – a storm with lightning, thunder, rain, and sometimes hail
Erosion – the movement of weathered material. Rocks and soil can erode from heavy
tornado – a whirling, destructive, fast-moving storm that forms over land
rain, or ice.of how
Plants
slow
downis erosion.
temperature –wind,
the measurement
hot help
or cold
an object
thermometer – a tool that measures temperature
Wind
– moving air
rain gauge – a weather instrument that measures the amount of rain
Water
cycle – the movement of water from the ground to the air and back again
weather vane – an instrument that shows from which direction the wind is coming
wind vane – an instrument
used tothat
determine
the direction
also
called
a weather
Condensation
– the change
takes place
whenofa the
gaswind,
cools
and
forms
small vane
water
cloud – water droplets and/or ice particles clumped together in the sky
droplets
wind – moving air
Precipitation
– movement
water thatoffalls
theground
sky astorain,
snow,
sleet,toor
water cycle – the
waterfrom
from the
the air
and back
thehail
ground
evaporation – the change that takes place when water is heated by the sun and turns into a gas
condensation – the change that takes place when a gas cools and forms small water droplets
precipitation – water that falls from the sky as rain, snow, sleet, or hail
2.7 b:
weathering – the wearing down of the Earth’s surface (example – the breaking down of rocks into
smaller pieces)
erosion – the movement of weathered material. Rocks and soil can erode from heavy wind, rain, or
ice. Plants and their roots help to slow down erosion.
Water cycle terms:
Evaporation
Condensation
Precipitation
Ice Erosion: Ice
carries soil and land to
create deep ditches
Water Erosion
Hurricane
Tornado
Blizzard
Wind Erosion
Types of erosion include: water, wind, ice.
Drought
Flood
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Sample Questions for Study Guide:
1.
2. How many instruments shown give information
about the weather? ______ instruments
A. 1
B. 2
C. 3
D. 4
3. A science class observed and recorded data for two weeks. Which conclusions about their
data are correct?
A.
B.
C.
D.
There were more rainy days than sunny days.
There were more sunny days than rainy days.
The partly cloudy days came before the rainy days.
The weather was very cold during the past two weeks.
Answers: 1. D
2. 3
3. B & C