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Weather
All about weather in Grade 6. Quizlet: https://quizlet.com/587168514/weather-unit-science-grade-6-flash-cards/
64
Science
6th Grade
04/15/2021

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Cards

Term
Storm
Definition
a violent disturbance in the atmosphere
Term

Thunderstorm

[image]

Definition
Heavy rain storms with thunder and lightning
Term

Thunderstorm

[image]

Definition
Storm common during warm, humid summers
Term
[image]
Definition
Usually form in the afternoon, because the land below the storm has heated up during the day and warmed the air above.
Term
Cumulonimbus clouds
Definition
The clouds that lead to thunderstorms
Term
Lightning
Definition
A sudden bright flash of light, produced by a discharge of electricity in the atmosphere.
Term
Lightning
Definition
Occurs when opposite electrical charges (+ & -) separate within a cloud and the ground.
Term
Thunder
Definition
The result of lightning hitting the ground.
Term
Tornado
Definition
A violently rotating column of air. They can destroy anything in their path.
Term
Tornado
Definition
Windspeeds of this can top 250 mph or more
Term
Tornado
Definition
800-1000 of these occur in the US each year.
Term
Tornado
Definition
Last about 10 minutes, but sometimes even 25 minutes.
Term
Tornado Alley
Definition
An area of the Great Plains, that has hundreds of Earth's most violent storms each year.
Term
Hurricane
Definition
The largest and most destructive storm.
Term
Hurricane
Definition
Large spiraling tropical storms, that form over warm water.
Term
Hurricane
Definition
Travel thousands of miles, and last more than a week.
Term
Hurricane
Definition
Reach wind speeds at 186 mph.
Term
The Eye
Definition
The calm center of a hurricane
Term
The Eye Wall
Definition
The Most intense and violent part of a hurricane
Term
Heat Energy
Definition
almost all the energy from the Earth comes from the sun and it is called radiant energy
Term
Air Pressure
Definition
the measure of the force of air pushing down on the Earth's surface (the higher you are in the atmosphere, the less air pressure there is)
Term
Local Winds
Definition
Winds that travel short distances.
Term
Global Winds
Definition
Winds that travel Longer distances
Term
Moisture
Definition
water that cycles around the planet and gives us our clouds and precipitation
Term
Winds, Moisture, Air Pressure, Heat Energy
Definition
The factors that cause weather
Term
Humidity
Definition
The water vapor in the air
Term
Cumulus, Cirrus, Stratus
Definition
Three main types of clouds
Term
Cumulus cloud
Definition
Look like piles of cotton balls, and show fair weather. If they get larger and darker, they can produce thunderstorms.
Term
Stratus cloud
Definition
feather-like clouds. High in the sky and are made mostly of ice crystals.
Term
Precipitation
Definition
Any water that falls from the Earth. Examples are, rain, hail, and even snow.
Term
Fluid
Definition
Substances that are liquids and gasses, that can expand when they heat up.
Term
True
Definition

True or False?

Air is a type of fluid (true or false)
Term
True
Definition

True or False?

When air is heated, its density decreases (true or false)
Term
False
Definition

True or False?

Cold/cool air rises above warm air underneath. (true or false)
Term
Weather
Definition
Daily conditions of Earth's atmosphere
Term
Weather
Definition
Occurs in the troposphere
Term
Winds
Definition
air moves from an area of high pressure to an area of low pressure
Term
Climate
Definition
What the weather is like for a long period of time
Term
Water Cycle
Definition
How water moves around our planet
Term
Seasons
Definition
Made by the sun warming the surface of Earth, while the Earth is tilted.
Term
3 months
Definition
How long is each season?
Term
365.25 days
Definition
How long does it take for the earth to revolve the sun? (including leap years)
Term
Axis
Definition
The imaginary line that passes through the North and South Pole.
Term
Equator
Definition
The imaginary line the stretches across Earth.
Term
Northern Hemisphere
Definition
North of the Equator
Term
Southern Hemisphere
Definition
South of the Equator
Term
Vernal Equinox
Definition
The first day of spring is called the...
Term
September 21st
Definition
When does autumn begin in the Northern hemisphere?
Term
shortest day of the year
Definition
The first day of winter is the...
Term
equator
Definition
Where is it hardly affected by the tilt of Earth in seasons?
Term
Rainstorm
Definition
A storm caused by when a cold front meets a warm front. They can turn into a thunderstorm.
Term
Thunderstorm
Definition
Made by rainstorms, and can cause lightning and thunder.
Term
Cyclone
Definition
A smaller Hurricane
Term
Hurricane
Definition
Made by cyclones
Term
Tornado
Definition
The most destructive storm.
Term
Troposphere
Definition
The lowest layer of earths atmosphere, weather occurs here.
Term
Stratosphere
Definition
The second-lowest layer of Earth's atmosphere
Term
Ozone Layer
Definition
Protective layer in atmosphere that shields earth from UV radiation.
Term
Mesosphere
Definition
The middle of the atmosphere, (third layer)
Term
Thermosphere
Definition
The second uppermost layer of the atmosphere.
Term
Ozone Layer
Definition
consists of three oxygen atoms instead of two.
Term
ozone layer
Definition
Upper part of the stratosphere. Contains 90% of atmospheric ozone
Term
78% Nitrogen, 21% oxygen, 1% other gases
Definition
What are the gasses that make up the air in Earth's Atmosphere?
Term
gravity
Definition
How does the Earth's atmosphere stay in place?
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