Shared Flashcard Set

Details

Chapter 12: The atmosphere in motion
N/A
228
Science
6th Grade
05/31/2012

Additional Science Flashcards

 


 

Cards

Term
Weather is the ___1._____ condition of the Earth's ____2._____.
Definition
1. current
2. atmosphere
Term
What is the Earth's atmosphere?
Definition
it is the layer of gases surrounding the Earth
Term
What types of factors do we consider when we want to describe the current condition of the atmosphere?
Definition
1. temperature
2. cloud cover
3. wind speed
4. wind direction
5. humidity
6. air pressure
Term
When we talk about the temperature, we are really talking about the ____1.____ at which the molecules in the air are moving.
Definition
1. speed
Term
When the temperature is high and hot out, the air molecules are moving ____1.____.
Definition
1. quickly
Term
When the temperature is low and it is cold out, the air molecules are moving ____1._____.
Definition
1. slowly
Term
When air molecules bump into each other _____________1._________________.
Definition
1. energy is transferred
Term
This type of energy transfer is called _____1._______.
Definition
1. conduction
Term
Air that is warmed by the ____1._____ of the Earth ___2.____.
Definition
1. surface
2. rises
Term
As the warm air rises, it becomes ____1.___ and eventually ___2.____
Definition
1. cooler
2. sinks
Term
The process at which air warms then the air rises and as it is rising it cools and sinks is called _____1._____.
Definition
1. convection
Term
Air has weight: True or False?
Definition
True
Term
Because air has weight, it can exert ____1._____.
Definition
1. pressure
Term
As your altitude increases, the atmospheric pressure _____1._____.
Definition
1. decreases
Term
The reason of why your atmospheric pressure decreases as your altitude increases is because as you go ____1.____, there is __2.___ atmospheric left above you.
Definition
1. higher
2. less
Term
When air is heated, the molecules move ___1.___.
Definition
1. faster
Term
When air is heated and the molecules move faster is causes the air to ___1.____ and become _______2.______
Definition
1. expand
2. less dense
Term
If air becomes less dense it moves ___1.____ and the pressure it exerts ____2.____.
Definition
1. upward
2. decreases
Term
Clouds form when air ___1.___, cools to its _____2.______, and becomes ____3.______.
Definition
1. rises
2. dew point
3. saturated
Term
Water vapor in the air then ____1._____ onto small particles in the atmosphere.
Definition
1. condenses
Term
If the temperature is not too cold, the clouds will be made of __________1._____________.
Definition
1. small drops of water
Term
If the temperature is cold, the clouds will be made of _________1.__________.
Definition
1. small ice crystals
Term
Clouds are classified according to ________________1._______________________.
Definition
1. the altitude at which they begin to form
Term
What are the three major categories of clouds?
Definition
1. low
2. middle
3. high
Term
Cumulus
Definition
puffy
Term
Stratus
Definition
layered
Term
Cirrus
Definition
wispy
Term
Nimbus
Definition
precipitation
Term
Alto
Definition
high
Term
Humidity
Definition
the amount of water vapor in the air
Term
The amount of water vapor that air can hold stays constant. True or false?
Definition
false
Term
The amount of water vapor that air can hold depends on ______1.______.
Definition
1. temperature
Term
The ____1.____ the air, the ____2.____ the amount of water vapor it can hold.
Definition
1. warmer
2. greater
Term
When air contains the maximum amount of water vapor it can possibly hold, it is called _____1.______ and ______2._______.
Definition
1. saturation
2. condensation
Term
The temperature at which condensation and saturation occur is called ______1._______.
Definition
1. dew point
Term
_______1._________ is the amount of water vapor that is actually present in the air compared to the amount that could be present at that particular moment.
Definition
1. relative humidity
Term
What cause global wind patterns?
Definition
Uneven heating of Earth's surfaces and the Earth's rotation.
Term
Air at the equator experiences the most direct heating from the sun. Thus, the air here is ___________1.___________. It rises and flows ______2.________ the equator.
Definition
1. warmer and less dense
2. away from
Term
However, because of the rotation of the Earth, air moving northward or southward is _____1._______. This is called the ________2.________.
Definition
1. deflected
2. Coriolis Effect
Term
In the northern hemisphere, winds deflect to the ___1.____ of their original direction of motion.
Definition
1. right
Term
In the southern hemisphere, winds deflect to the ___1.__ of their original direction of motion.
Definition
1. left
Term
Jet streams are _________1.____________ that are found at ________2.__________ within the zones of the _______3._____________.
Definition
1. giant rivers of air
2. high altitudes
3. prevailing westerlies
Term
Jet streams always move from __1.___ to ___2.___, but their exact positions __________3.___________.
Definition
1. west
2. east
3. vary from day to day
Term
Jet streams are important because _______________1._______________________.
Definition
1. weather systems move along their paths
Term
Air mass
Definition
a large body of air that developes over a particular region of Earth's surface
Term
A mass of air that remains over a region for a few days __________1._____________ of the area over which it occurs.
Definition
1. acquires the characteristics
Term
Front
Definition
boundary between air masses of two different temperatures
Term
Along a front, air ________1.__________. Fronts bring changes in ______2.________ and ______3.__________.
Definition
1. doesn't mix
2. temperature
3. wind direction
Term
A cold front occurs when a ______1.________ pushes into a _______2._________ forcing it ____3.______.
Definition
1. cold air masses
2. warm air masses
3. upward
Term
___1.____ may develop and the temperature ___2.____
Definition
1. storms
2. drops
Term
How many columns are in the periodic table?
Definition
18
Term
What are the columns called in a periodic table?
Definition
Groups
Term
Elements have the _____________1.________________ in their outermost shell.
Definition
1. Same number of electrons
Term
As a result, elements in the same group tend to form similar types of ___1._____.
Definition
1. Bonds
Term
The elements on the periodic table are ordered by _________1.______________.
Definition
1. Increasing atomic numbers
Term
This means that each element has ________1.___________ than the element before it.
Definition
One more proton
Term
How many rows are there in the periodic table?
Definition
7
Term
What are rows called in the periodic table?
Definition
Periods
Term
Elements in the same period have the same number of _________1.__________.
Definition
1. Energy levels
Term
As you move across a period, the properties of the elements _________1._________.
Definition
1. Gradually change
Term
Isotopes
Definition
Atoms of the same element that have different numbers of neutrons.
Term
What are the atomic numbers of hydrogen?
Definition
1,1,1
Term
What are the mass numbers of hydrogen?
Definition
1,2,3
Term
What are the atomic numbers of helium?
Definition
2,2
Term
What are the mass numbers of helium?
Definition
3,4
Term
What are the mass numbers of lithium?
Definition
6,7
Term
Metalloid
Definition
An element that shares some properties with metals and some properties with nonmetals.
Term
Brittle
Definition
Easily broken
Term
There are _1._ nonmetals, but they include the elements that are _______1.___________.
Definition
1. 17
2. Essential for life
Term
What are some examples of metalloids?
Definition
Boron
Silicon
Arsenic
Polonium
Germanium
Term
What are some examples of nonmetals?
Definition
carbon
oxygen
phosphorus
hydrogen
neon
helium
Term
The periodic table is a chart that ___1._____ about ____________2.____________.
Definition
1. displays
2. all of the known elements
Term
Since the periodic table is ____1.___ in a specific way, it is easy to _______2._________ that you need about the elements (the stuff our universe is made of!)
Definition
1. organized
2. find information
Term
Metal
Definition
an element that has luster, is a good conductor of heat and electricity, is malleable, and is ductile
Term
Luster
Definition
reflects light
Term
Malleable
Definition
easily shaped
Term
Ductile
Definition
can be pulled/drawn out without breaking
Term
What are some examples of metals?
Definition
Gold
Sodium
Iron
Lead
Mercury
Aluminum
Magnesium
Copper
Platinum
Term
H <------
1
1.008
Hydrogen
Definition
element symbol
Term
H
1 <------
1.008
Hydrogen
Definition
atomic number
Term
H
1
1.008 <------
Hydrogen
Definition
(average) atomic mass
Term
H
1
1.008
Hydrogen <-----
Definition
element name
Term
Element
Definition
matter that is only made up of one kind of atom
Term
Elements can be...
Definition
natural or synthetic
Term
Natural
Definition
it occurs naturally on Earth
Term
Synthetic
Definition
it is made by scientists using a particle accelerator
Term
Atomic Number
Definition
the number of protons in the nucleus of an atom of a given element
Term
The number of protons an atom has determines its ____1.____ (in other words, what kind of atom it is.)
Definition
1. indentity
Term
Mass Number
Definition
the sum of the protons and neutrons in the nucleus of an atom
Term
Atomic Mass
Definition
the weighted average mass of all the isotopes of an element
Term
Substance
Definition
matter that has the same composition and properties throughtout
Term
Mixture
Definition
a combination of compounds and elements that has not formed a new substance and whose proportions can be changed without changing
Term
Homogeneous
Definition
the same throughout
Term
Heterogeneous
Definition
has larger parts that are different from each other
Term
You ______1._________ the different parts of homogeneous mixtures.
Definition
1. cannot
Term
You ______1._____ the different parts of heterogeneous mixtures.
Definition
1. can see
Term
Mixtures can be separated based on their ____1.____ properties.
Definition
1. physical
Term
What are some ways to separate mixtures?
Definition
sieve, magnet, and evaporation
Term
The proportions of mixtures can be ____1.____ without ________________2.________________.
Definition
1. changed
2. changing the identity of the mixture
Term
In a mixture substances are ______1.________ together.
Definition
1. NOT bonded
Term
What are some examples of a mixture?
Definition
fruit punch, sand, and water
Term
Compounds have a ____1.____ formula, meaning the same number of elements in each molecule.
Definition
1. fixed
Term
The formula tells you ___________1._____________ and ____________2._____________________.
Definition
1. what elements make up the compound
2. how many atoms in each element
Term
Compound
Definition
a substance whose smaller unit is made up of more than one element bonded together
Term
Compounds have properties that are _____1._____ from the elements that make them up.
Definition
1. different
Term
__________ are another type of substance.
Definition
Compounds
Term
_____1._____ are one type of substance because they are made up on only one type of atom.
Definition
1. Elements
Term
Matter can be a...
Definition
a substance or a mixture
Term
What are the two types of substances?
Definition
elements and compounds
Term
What are the two types of mixtures?
Definition
Homogeneous and Heterogeneous
Term
Mass
Definition
the amount of matter in an object
Term
Matter
Definition
anything that has mass and takes up space
Term
Physical Property
Definition
any characteristic of a material that can be observed or measured without changing the identity of the material
Term
When you are making ______1.______ using your ____2._____ you are identifying the physical properties of a material.
Definition
1. observations
2. 5 senses
Term
One of the key senses you use when observing is ___1.___.
Definition
1. sight
Term
___1.__ and ___2.__ can be observed using sight.
Definition
1. color
2. shape
Term
In a physical change the _________1.____________, but ____________2.__________________.
Definition
1. physical properties change
2. the identity of the substance does not
Term
Some properties, such as ___1.____, ___2.___ and ____3._____, have to be measured.
Definition
1. length
2. mass
3. volume
Term
Density
Definition
the amount of mass a material has in a given volume
Term
Density is the relationship between ___1._____ and __2.___.
Definition
1. volume
2. mass
Term
Two objects can have the same size, but different ____1.____. When this happens they have different ____2.______.
Definition
1. masses
2. densities
Term
What is the formula for density?
Definition
density= mass divided by volume
d= m/v
Term
Water at room temperature has a density of ____1.____.
Definition
1. 1.00 g/cm3
Term
Physical Change
Definition
the physical properties of a substance change but the identity of the substance does not change
Term
States of Matter
Definition
- solid
- liquid
- gas
- plasma
Term
Solid
Definition
has a definite shape and volume
Term
Liquid
Definition
has a definite volume, but takes the shape of its container
Term
Gas
Definition
it fills the shape and volume of its container
Term
Plasma
Definition
occurs at extremely high temperatures
Term
Melting Point
Definition
the temperature at which a solid becomes a liquid
Term
When an object melts it changes from a ___1.___ to a ___2._____.
Definition
1. solid
2. liquid
Term
Different objects have ___1.___ melting points.
Definition
1. different
Term
Boiling Point
Definition
the temperature at which a substance in a liquid state becomes a gas
Term
When an object boils it changes from a __1.___ to a __2.___.
Definition
1. liquid
2. gas
Term
Different objects have ____1.____ boiling points.
Definition
1. different
Term
Some physical properties allow you to classify an object as a ___1.___.
Definition
1. metal
Term
Metals appear to be ___1.___, while nonmetals are __2.___.
Definition
1. shiny
2. dull
Term
Metals are ____1.___, ____2.____, and _____3._____.
Definition
1. malleable
2. ductile
3. magnetic
Term
Physical properties can help you ____1.___, _____2.____, and ____3.____ substances.
Definition
1. identify
2. separate
3. classify
Term
You identify, separate, and classify physical properties by their color, __1.____, _____2._____, mass, _______3._________, and much more.
Definition
1. shape
2. density
3. melting point
Term
Gas ---> Solid
Definition
deposition
Term
Solid ----> Gas
Definition
sublimation
Term
Solid ---> Liquid
Definition
melting
Term
Liquid ---> Solid
Definition
freezing
Term
Liquid ----> Gas
Definition
vaporization (boiling)
Term
Gas ----> Liquid
Definition
condensation
Term
Mercury
Definition
the smallest and closest planet to the Sun
Term
The inner planets are located between the __1.__ and the ________2.__________.
Definition
1. sun
2. asteroid belt
Term
What are the four inner planets?
Definition
Mercury, Venus. Earth, Mars
Term
Another name for the "inner planets" is _________1.__________.
Definition
1. terrestrial planets
Term
What are some things that the inner planets have in common?
Definition
- dense and rocky
- few or no moons
- no rings
- warm temperatures
Term
Mercury is also the _____1.______ planet to the sun.
Definition
1. closest
Term
Mercury's surface has many __1.___, which are a result of _____________2,_________________.
Definition
1. craters
2. meteorites crashing into it
Term
The crater surface of Mercury is similar to the surface of the ___1.____.
Definition
1. moon
Term
Why does Mercury have no atmosphere?
Definition
small size, no gravity/extreme heat= easy for gas molecules to escape
Term
What is the temperature like on Mercury?
Definition
VERY hot during the day (425c)
VERY cold at night (-170c)
Term
Why is it so hot during the day on Mercury?
Definition
closeness to sun
Term
Why is it so cold during the night on Mercury?
Definition
no atmosphere to trap heat
Term
Venus
Definition
second planet away from the sun
Term
Besides the moon, Venus is the ____1._____ object in the night sky!
Definition
1. brightest
Term
What characteristics of Venus have led scientists to call it Earth's "Sister Planet"?
Definition
1. similar in size
2. have similar gravitational forces
3.have similar compositions (like Earth has a liquid core, mantle, and crust. It also has a substantial core.)
4. cooling at the same rate
Term
Venusian Atmosphere
Definition
is made of CO2 and has thick clouds of Sulfur Dioxide, which causes a MASSIVE green house effect (869 f)!
Term
Venus is the __1.____ of the terrestrial planets! As a result, we cannot ___2.__ the surface of Venus without using special tools to penetrate the atmosphere.
Definition
1. densest
2. see
Term
Venus is able to produce ____1._____!
Definition
1. lightning
Term
The Venusian Surface
Definition
- very, very dry and rocky
- volcanic
- lacks plates (no tectonics)
Term
Earth
Definition
the third planet away from the sun, is unique for many reasons
Term
Why is Earth unique?
Definition
1. it is the only planet where life has been proven to exist
2. it is the only planet where water is known to exist as a solid, liquid, and gas
3. it has an atmosphere with an ozone layer that protects us from harmful solar radiation
4. it has a magnetic field (that is generated by rotation in its liquid core) that also protects us from solar radiation
5. its temperature is not too hot and not too cold for life- it is "just right"
Term
Mars
Definition
the fourth planet from the sun, the radius of Mars is about 1/2 the size of Earth
Term
Mars is nicknamed "the red planet" due to the high levels of __1.___ on its surface.
Definition
1. rust
Term
Mars has __1.__ small moons: _______2.________.
Definition
1. two
2. Phobos and Deimos
Term
What are the features Mars has that are in common with Earth?
Definition
- polar ice caps
- volcanoes (Olympic Mons- highest volcano in the solar system)
- craters
- valleys
- canyons (Valles Marineris- deepest canyon in the solar system)
- seasons
Term
Mars is now ________1._________ and has no ______2.______.
Definition
1. geologically inactive
2. magnetosphere
Term
The asteroid belt is located between ____1.___ and ____2.______.
Definition
1. mars
2. jupiter
Term
Asteroids
Definition
irregular shaped space rocks that are made of minerals similar to those that formed the rock planets
Term
The gravitational force from which planet may have prevented the asteroids in the asteroid belt from becoming their own planet?
Definition
jupiter
Term
Ceres is a _____1.________ that is located in the asteroid belt!
Definition
1. dwarf planet
Term
When you measure a distance, the ____1.__ of measurement that you should use depends on the __2.___ of the thing you are measuring.
Definition
1. unit
2. size
Term
Why don't you use centimeters to measure the distance between your home and school?
Definition
You would end up with a huge number and you would lose count if you measured the distance between your home and school in centimeters
Term
Space is so VAST that it has its own special unit of measurement- the _______1._________!
Definition
1. astronomical unit
Term
Astronomical Unit
Definition
150 million kilometers. This is equal to the average distance from the sun to the earth
Term
The astronomical unit is abbreviated __1.___.
Definition
1. AU
Term
Not only are the inner planets close to the sun, but they are also close in distance to _____1._______.
Definition
1. each other
Term
Each inner planet is within about ______1._______ of its closest planetary neighbor.
Definition
1. 0.3-0.5 AU
Term
The distances between the outer planets are ______1._______ than the distances between the inner planets.
Definition
1. much greater
Term
Each outer planet is within about _____1._______ of its closest planetary neighbor.
Definition
1. 5-12 AU
Term
What are the outer planets sometimes called?
Definition
gas giants
Term
Jupiter is more than ___1.___ the size of the Earth!
Definition
1. 10X
Term
Even the gas giants are small compared to the size of the __1.___.
Definition
1. sun
Term
The sun is more than ___1.__ the size of Jupiter, and __2.____ the size of Earth!
Definition
1. 10X
2. 100X
Term
The sun is an ___1.______ size star.
Definition
1. average
Term
Revolution
Definition
the movement of a planet around the sun
Term
1 Earth, 1 revolution= 1 earth ___1.___.
Definition
1. year
Term
The outer planets are located beyond the _______1._______.
Definition
asteroid belt
Term
What are the names of the four outer planets?
Definition
jupiter, saturn, uranus, neptune
Term
What are some things the outer planets have in common?
Definition
- made of gas
- many moons (between 13 and 63+)
- all have rings of dust and ice
- cold temperatures
Term
Jupiter
Definition
the fifth planet away from the sun, is the largest in the solar system
Term
Because Jupiter is so massive, it has a large __________1.__________ and high _______2._______. It also has a very strong ______3.______.
Definition
1. gravitational force
2. atmospheric pressure
3. magnetosphere
Term
The jovian atmosphere is composed mostly of ____1.____ and ____2.____.
Definition
1. hydrogen
2. helium
Term
The weather on Jupiter is _____1.________. An example of this is the ________2.___________, which is a giant ___3.____ (3X the diameter of Earth!)
Definition
1. very turbulent
2. Great Red Spot
3. storm
Term
Astronomers believe that Jupiter may have a _______1.______ deep within the center of the planet.
Definition
1. metallic core
Term
Jupiter has the shortest day (less than 10 hrs) of any planet in our solar system. What can you infer about the rotation of Jupiter?
Definition
it rotates on its axis very quickly
Term
Jupiter has __1.__ moons, the most of any planet in the solar system! In fact, Jupiter and its moons look like a ________2.____________.
Definition
1. 63+
2. mini solar system
Term
What are the names of the four largest moons?
Definition
Ganymede
Callisto
Io
Europa
Term
_____1.______ is larger than Mercury.
Definition
1. Ganymede
Term
____1._____ and ____2.____ may have _______3.________ under their icy crusts.
Definition
1. Callisto
2. europa
3. liquid water
Term
__1.___ has more ____2.______ than any other object in the solar system.
Definition
1. Io
2. volcanoes
Term
Saturn
Definition
the second largest planet from the sun, is the second largest in the solar system
Term
The most striking feature of Saturn are its nine broad ____1.____. They are made of __2.___ and ___3.__.
Definition
1. rings
2. ice
3. dust
Term
Like Jupiter, the conditions produced on Saturn are extreme! It has a large _______1.__________ and high __________2.___________.
Definition
1. gravitational force
2. atmospheric pressure
Term
Saturn's inner layer
Definition
metallic core
Term
Saturn's middle layer
Definition
liquid hydrogen and helium
Term
Saturn's outer layer
Definition
gaseous hydrogen and helium
Term
Saturn also has many ___1._____.
Definition
1. moons
Term
Titan
Definition
the second largest moon (after Ganymede) in the solar system! It is larger then the planet Mercury!
Term
Titan is composed of _______1.______.
Definition
1. rock and ice
Term
Like Earth, Titan also has ______1.______ atmosphere.
Definition
nitrogen-rich
Term
Titan has surface features like those seen on Earth __________________1._______________________. It is the only place besides Earth where stable bodies of ______2._________ have been shown to exist!
Definition
1. mountains, valleys, sand dunes, rivers, lakes, and seas
2. surface liquid
Term
Although Titan has many things in common with Earth, what would make life as we know it difficult on Titan?
Definition
- VERY low temperatures
- VERY little sunlight
- no liquid water (Titan has hydrocarbon lakes)
Term
Uranus
Definition
the seventh planet away from the sun. Uranus and Neptune together are nicknamed the ice giants
Term
Uranus has the _________1.____________ of the 8 planets in the solar system.
Definition
1. coldest temperatures
Term
Uranus's inner layer
Definition
rocky core
Term
Uranus's middle layer
Definition
icy mantle
Term
Uranus's outer layer
Definition
gaseous hydrogen and helium, methane (blue)
Term
Uranus is unique in that its axis of rotation is ______1.______. Its poles lie where most planets have their _____2.______.
Definition
1. sideways
2. equator
Term
Neptune
Definition
the eighth planet away from the sun and the furthest planet away from the sun
Term
Neptune is very similar in ___1.____ and ______2._________ to the planet Uranus.
Definition
1. size
2. composition
Term
One difference between Neptune and Uranus is that Neptune has ____1.______ weather patterns. For example, it has a massive ___2._____ called the ______3.__________ which is similar to Jupiter's great red spot. It also has the ______4._________ that have been recorded in the solar system.
Definition
1. very active
2. storm
3. great blue spot
4. strongest winds
Term
There are 13 known Neptunian moons, the largest at which is called ____1.____.
Definition
1. Triton
Supporting users have an ad free experience!