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chapter 5 study guide
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41
Science
6th Grade
01/30/2015

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Term
storms
Definition
weather events
Term
weather
Definition
describes the state of the atmosphere
Term
Hurricanes
Definition
highly organized storms that can generate ocean waves
Term
thunderstorm
Definition
can grow into a supercell
Term
supercell
Definition
can spawn a tornado or even several tornadoes
Term
tornado
Definition
pack a powerful and deadly punch. With wind speeds that can exceed 322 km/hr (200 mph), twisters can toss cars and flip mobile homes as if they were toys
Term
lightning
Definition
an awesome electrical discharge that often accompanies hurricanes and tornadoes
Term
hail
Definition
irregular pieces of ice
Term
blizzard
Definition
a huge snow storm

occurs when the temperatures drop
Term
drought
Definition
a drought is a prolonged period of below-normal rainfall
Term
flood
Definition
Over-abundant rainfall, even when it’s not part of the drenching from a monster storm
Term
runoff
Definition
collects in low-lying areas
Term
heat wave
Definition
a period of above-average temperatures
Term
electromagnetic spectrum
Definition
a full range of electromagnetic radiation from the sun
Term
wavelength
Definition
the length of a wave
Term
air pressure
Definition
the pressure of air
Term
greenhouse effect
Definition
natural reuse and retention of atmospheric heat
Term
sensible heat
Definition
the ground cools, heat is released to the atmosphere
Term
latent heat energy
Definition
carried into the atmosphere
Term
global warming
Definition
have occurred many times in the geological history of our planet
Term
climate
Definition
the weather over a long period of time
Term
wind
Definition
air will move from a region with higher pressure to a region with lower pressure
Term
radiation
Definition
Energy transferred by electromagnetic radiation. The flow of energy from the sun to Earth is an example of radiation.
Term
conduction
Definition
Heat energy can also be transferred between atoms and molecules that are in direct contact
Term
convection
Definition
In materials that are capable of flow, such as liquids and gases, heat energy can be transferred by the movement of matter
Term
density
Definition
a measure of mass
Term
troposphere
Definition
lowest layer of the atmosphere
Term
stratosphere
Definition
second lowest layer of the atmosphere
Term
phase change
Definition
Any change in a solid, liquid, or gas to another physical state
Term
melting
Definition
when a solid turns into a liquid
Term
evaporation
Definition
When liquid water gains sufficient heat energy, its particles enter the gas state
Term
evaporation
Definition
When liquid water gains sufficient heat energy, its particles enter the gas state
Term
evaporation
Definition
When liquid water gains sufficient heat energy, its particles enter the gas state
Term
sublimation
Definition
If conditions are right, the water in solid ice can change directly into water vapor
Term
condensation
Definition
If enough heat energy is removed from water vapor, it becomes a liquid
Term
freezing
Definition
If enough heat energy is removed from liquid water, it becomes ice
Term
deposition
Definition
Snow and frost form when water vapor changes directly to a solid state
Term
water cycle
Definition
The physical movement of water in all its physical states, including a complex series of phase changes below, on, and above Earth’s surface
Term
fog
Definition
clouds that form at ground level
Term
dew
Definition
some of the water vapor molecules undergo condensation and collect as tiny droplets on leaves, grass, cars, and other surfaces
Term
frost
Definition
some of the water vapor molecules undergo condensation and collect as tiny droplets on leaves, grass, cars, and other surfaces
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