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science
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113
Science
7th Grade
12/17/2010

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Cards

Term
how do many scientist say the solar system came to in existence do?do you think GOD could have created the solar system this way? why or why not?
Definition
be prepared to state your view's of HOW GOD created the universe,
Term
what do scientist say caused the flatness of the dust and gas disk?
Definition
rotation
Term
what do scientist say contract to form the solar system?
Definition
Dust & GAS
Term
What do scientists say caused the flatness of dust and gas disk?
Definition
Rotation
Term
Which planets are considered the inner planets
Definition

Mercury, Venus,earth and Mars

sometimes means between the earth and sun

Term
Not counting the sun, where is the hootest part of the solar system? which is the coldest
Definition

Venus is the hottest

moons of neptune are the coldest

Term
In farenheriet degrees, how big is the temperature range among the planets? hot and cold together
Definition
1296 degrees F
Term
What is so unusual about the orbit od pluto compared to the rest of the planets?
Definition
Highly eliptical
Term

What are the inner planets called?

Why are they considered earht like

 

Definition

The terrestrial planets.

They all have metallic iron cores with rocky mantles and crusts

Term
What are the outer planets called?
Definition
The Gas giants
Term

What cause your weight to be different on the other planets?

how do you calculate your weight on other plants

Definition

The force of gravity

Weight * force of gravity

Term
Why would you weigh less on mercury than on earth?
Definition
mercury is smaller(has less mass) so its gravity is weaker
Term
What is "mass" the measure of?
Definition
The amount of "stuff" something has."atoms"
Term
Whatis the equivalent energy in nuclear bombs going off every second to energy of what the sun produces each second
Definition
100 billion
Term
How much of the mass of the solar system does the sun contain?
Definition
99.9%
Term

What are Jupiter and Saturn mostly made of?

Do they have metal and rock cores?

What surrounds their cores?

Definition

Hydrogen and Helium.

Yes

Dense liquids(no mantles or crusts)

Term
What percentage of Jupiter and Saturn elements make up the rocks of their cores?
Definition
Less than 1%
Term
How are the inner planets different from the giant outer planets in their make up?
Definition
The inner planets are rocky not "gassy"
Term

What is density?

Which planet has the lowest density?

Which planet has the highest density?

Definition

mass divided by volume

Saturn

Earth

Term

How large is the earths magnetic core(compared to its overall radius)

Why does the mantle increase in density as you go deeper?

Definition

The earths core makes up about 1/2 the planets radius.

The "stuff" is squeezed under greater pressure.

Term

The core of a planet is in its densest part. Even though Mercury is mostly made of core why is it not as dense as the earth?

 

Definition
small;er size means less squeezing of "stuff" therefore less dense.
Term
How large is mercurys core compared to its radius?
Definition
3/4
Term
Why is venus not as dense as earth even though it is about the same size as earth?
Definition
Venus has a slightly smaller metallic core.
Term
List 2 reasons why the density of mars is the least among the inner planets?
Definition
Small metallic core, and sulfer in the core
Term

What is pluto likely made of?

What is silicate?

Definition

1/2 ice 1/2 silicate

(non metallic rock)

Term

Does Jupiter have an iron Core?

What is its core made of?

 

Definition
Jupiter is thought to have just a silicate core.
Term
Is the core of jupiter very large compared to its size?
Definition
No(very small compared to its size.)
Term
Saturns density is .70. Would it float in water
Definition
Yes
Term
Do you think God could have created the solar system as shown? why or why not
Definition
Term
Can you name the planets and do so in order
Definition
Mercury, Venus, Earth , Mars, Jupiter, Saturn, Uranus, Neptune and pluto
Term

What is rotation?

What is revolution?

Definition

The spin of a planet

The orbit of a planet around the sun

Term

What was the name of the spacecraft that first flew past mercury?

When did it reach Mercury?

Definition

Mariner 10

1974

Term
What are 2 things that make Mercury diffucult to observe from earth?
Definition

Very close to the sun - solar glare

Dust in the earths atmosphere

Term
What does the surface of Venus look like?
Definition
Cratered
Term
What probably caused the cliffs crisscrossing Mercury
Definition
Cooling and shrinking of its interior
Term
What is unique about the range of hot to cold on Mercury?
Definition
Most dramatic range of any planet.
Term

What is Mercurys crust mostly made of?

What is silicate?

Definition

Silicate (rock)

Non metallic rock

Term
Mercury's core make up how much of its diameter?
Definition
75%
Term
What is the percentage of Mercurys core of the entire volume of the planet?
Definition
40%
Term

Have we seen the entire surface of Mercury?

What is the Messenger mission

Definition

No

To see the entire surface of Mercury

Term

When was the messenger mission launched and when will it arrive at Mercury?

How manytimes will it fly past mercury before going into orbit around it?

Definition

2004

2011

3

Term
How are Mercury's plains like that of the moon and how are the unlike?
Definition

Like; Volcanic(lava)

Unlike; not dark like the moon- maria

Term

What probably made Mercurys "wierd terrain"?

What may be in the craters at the poles?

Definition

A very large impact on the opposite side of the planet

Water and ice.

Term
Venus is Earths ____
Definition
evil Twin
Term

What was the first planetary probe to visit Venus?

When?

Definition
Mariner 2, 1962
Term
What is odd about the way venus rotates?
Definition
It hasd retrograde(backward) rotation
Term
What causes Venus to be so hot?
Definition
It's atomsphere creates an extreme greenhouse effect(hold in heat from the sun)
Term

What is maxwell Montes?

What is cleopatra?

Definition

A huge mountian on Venus

A huge impact crater on Venus

Term
What are most features on Venus named for?
Definition
Women
Term
How does the speed of the winds on the surface differ from the high altitude wind speeds?
Definition
Almost no wind at surfase, very very strong winds at high altitudes.
Term
What is the main component of the cloudy atamsphere of Venus?
Definition
Carbon Dioxide
Term
How does the atomspheric pressure on Venus compare to the pressure on earth?
Definition
Venus is about 100 times greater pressure.
Term
How long does it take Venus to rotate(how long is its day)
Definition
About 8 months or 243 days
Term
How do scientists see through the thick clouds of Mercury
Definition
They use Radar
Term
Why are there no polar ice caps on Venus
Definition
Its too hot
Term
Does Venus have many craters compared to Mercury?
Definition
No craters get covered by volcano activity
Term
What has resurfaced much of Venus
Definition
Lava
Term
What is a Graben
Definition
A large fault valley caused by the stretching of rocks causing some some to sink.
Term
Why do things look orange on the surface of Venus?
Definition
The atomsphere filters out blue and yellow light.
Term
Does it rain on Venus?
Definition
No
Term
Do we as Christians need to worry about getting to other planets for our species to survive?
Definition
No. the bible is clear about our future.
Term
What kind of twin is Venus to Earth?
Definition
An "evil" twin
Term
What may have reversed Venus' rotation?
Definition
A large impact from a meteorite or asteroid.
Term
Where was the greenhouse effect discovered?
Definition
Venus
Term
How much of the Venus atomsphere id made of Carbon dioxide(CO2)
Definition
95%
Term
Does Venus have about the same, more or less volcanoes than earth?
Definition
More
Term
Does lightening on venus strike the ground?
Definition
No
Term
List 2 reasons why Venus is so bright in the night sky
Definition
Close to earth and very reflective
Term
What are Venus clouds made of
Definition
Sulfiric acid
Term
What is the most common type of lava rock in the inner solar system?
Definition
Basalt
Term
What color would everything on the surface of venius be accented with?
Definition
orange
Term
Is maxwells mons higher than Mt everest?
Definition
Yes
Term
Tell me about Mercurys color?
Definition
Nearly colorless(light grey)
Term
When can you see Mercury from earth
Definition
At twilight times. Before sunup and after sundown.
Term
Does Mercury have much gravity?
Definition
No
Term
What is the color of the sky on Mercury?
Definition
Black
Term
What guards earth from most impacts?
Definition
It's atomsphere
Term
What planet is most cratered?
Definition
Mercury
Term
What did the very large meteorite form on the opposite side of the planet mercury after impact at the caloris basin?
Definition
The weird terrain
Term
If the earth got hit with such a large meteorite in arizona, where would the "wierd" terrain be formed?
Definition
In the indian ocean near madagascar
Term
Where might the water(ice) on mercury come from?
Definition
Comets
Term
What would a volcanic eruption sound like on mercury?
Definition
you could not hear it because sound needs an atomshere to travel through
Term
How much of Mercury has been photographed?
Definition
About 1/2
Term
Who developed the first modern rockets
Definition
the Germans
Term
Thought to be the first people to use rockets
Definition
Chinese
Term
launched the first satallites
Definition
Soviets/russians
Term
launched sputnik
Definition
soviets/russians
Term
launched the explorer satallites
Definition
U.S.
Term
launched the first lunar probe
Definition
Soviets/russians
Term
Launched the first person in orbit
Definition
soviets/russians
Term
Launched the first space station
Definition
Russians
Term
Unmanned spacecraft that are sent out to investigate things away from earth
Definition
Probes
Term
Probes that investigate the moon
Definition
Lunar
Term
Probes that investigate other planets
Definition
planetary
Term
Blows out one end of a rocket to propel the rocket in the opposite direction
Definition
Hot Gases
Term
Hot gases caused by burning this
Definition
Fuel
Term
First space program of the U.S.
Definition
Mercury
Term
Number of astronauts in the gemini spacecrafts
Definition
2
Term
Space program that brought us to the moon
Definition
apollo
Term
Animals used in the early soviet space flights
Definition
Dogs
Term
Number of astronauts in the apollo spacecrafts
Definition
3
Term
The last soviet space station
Definition
Mir
Term
lost spacecraft and crew due to malfunction
Definition
columbia
Term
The current space station
Definition
International space station
Term
space shuttle purpose
Definition
space truck
Term
year we landed on the moon
Definition
1969
Term
Thats one small ______/ and one giant_______"
Definition
stepfor man/ leap for mankind
Term
First american to be launched in to orbit around the earth
Definition
John Glenn
Term
First men on the moon
Definition
Niel armstrong/ Edwin "Buzz" aldrin
Term
Addition
Definition
Plus
Term
Subrtaction
Definition
fewer than
Term
Multiplication
Definition
twice
Term
division
Definition
divided by
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