The Stuff in Space
Presentation
•
Science
•
3rd Grade
•
Hard
Kevin Lu
Used 4+ times
FREE Resource
42 Slides • 14 Questions
1
The Stuff in Space
The Big, The Bright, and The (possibly) Scary
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Multiple Choice
TRUE or FALSE
The color of stars tell us how hot they are.
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Stars
Ball of HOT PLASMA held together by GRAVITY
Sustained by THERMONUCLEAR FUSION of light elements
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Fusion, simplified
Light (small) atoms smash together and join to make bigger atoms
This process produces HEAT and LIGHT
Fusion reactions in stars can go on for BILLIONS OF YEARS
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Multiple Choice
TRIVIA
What type of star is our Sun?
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Our sun is quite small compared to the rest of the stars in the visible universe
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Gravity
An ATTRACTIVE FORCE exerted by ALL things with MASS and ENERGY
Objects with BIGGER MASS (or higher energy) will have a stronger pulling force
This force keeps planets, moons, asteroids, meteors, and other objects in motion
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Some Gravitational Weirdness
Some stars can form BINARY SYSTEMS where they spin close together
These sometimes result in COLLISIONS which lead to massive explosions in space
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Multiple Choice
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Supernova
Massive explosions in space
May be caused by supermassive stars reaching the end of their lives
May also be caused by stellar collisions
Supernovae can result in BLACK HOLES or NEUTRON STARS
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Black holes
Areas of space that the strongest gravitational force
The gravity in these areas are so strong that nothing can escape (the event horizon) - not even light
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Neutron Stars
Collapsed core of supergiant stars
Large mass crushed together into a small space
One of the densest matter in the known universe
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Imagine a star thousands of times the size of our sun being squished into a space that small
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Our Solar System
Stars are MASSIVE and our Sun is no exception
MASSIVE objects have STRONG GRAVITY
This GRAVITY allows stars to keep objects like planets, moons, asteroids, and comets in ORBIT
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Multiple Select
TRIVIA
(Check all that apply) What are the characteristics of an ORBIT?
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Most celestial bodies follow an elliptical orbit
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The Planets
Massive enough to be ROUNDED by its own gravity
Can be TERRESTRIAL or GAS GIANTS
Orbiting a star
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Asteroids are not planets because they are not massive enough to become round
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Pluto is a 'dwarf planet' because it is not strong enough to clear its orbit of other celestial bodies
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Mercury
Not the death star
Smallest planet in the Solar System
No moons
Has many impact craters
1 Mercury year = ~88 earth days
Tidally locked
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We know more about Mercury because of the MESSENGER probe launched in 2004. It crashed into Mercury in 2011.
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Venus
Rotates in the opposite direction
1 Venus year = 224.7 Earth Days
1 Venus day = 243 Earth Days
Has a very thick, opaque atmosphere of sulfuric acid
Has the hottest surface temperature among the solar system planets (464 C)
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Paper starts burning at 250C
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Lead (the metal) melts at 320C
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Venus was explored by the Venera Space Probes sent by the Soviets in 1983
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We learned more when the Magellan Probe (1990) took radar pictures of Venus
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The European Space Agency sent the Venus Express to observe Venus' atmosphere, weather, and climate
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Earth
Terrestrial planet that supports LIFE
Inside the Sun's 'goldilocks zone'
Has one moon (the moon)
1 Earth year = 365 days
1 Earth day = 1 day ( :< )
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Earth is also where Northfield is. :D
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Mars
Rocky planet with a very thin atmosphere (only 0.6% of Earth's)
Has Volcanoes
Its red color comes from iron oxide (rust) in the soil
Has two moons (Phobos and Deimos)
1 Mars year = 779 Earth days
1 Mars day = 24 hours & 37 mins
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The actual Mars. :D It's red. It has water at the poles.
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Exploration of Mars
Rovers have been sent to the surface of Mars to gather information about the planet
We can virtually explore mars using Google Mars and Experience Curiosity (links will be posted in Classroom)
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The Experience Curiosity Web App was developed by NASA using the info from the Curiosity Rovers
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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The Asteroid Belt lies in between the orbits of Mars and Jupiter. Some think that it is what remains of another planet.
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Gas Giants
Big. Circular. Gassy.
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Jupiter
Largest planet in the Solar System
Has a very active cloud and weather system
The largest storm (Great Red Spot) can be found on Jupiter
1 Jupiter year = 11.8 Earth Years
1 Jupiter day = 9.9 Earth Hours
Has 79 known moons (as of 2018)
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Pioneer 10 was the first spacecraft sent to photograph Jupiter. It was launched in 1972.
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After Pioneer, Galileo was launched in 1995 to orbit Jupiter and gather more data
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Juno arrived at Jupiter in 2016. It is still currently orbiting Jupiter today, but its mission will end in July 2021.
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Saturn
Second largest planet
Fast rotation causes it to bulge at the equator
Has very prominent rocky and icy rings
1 Saturn Year = 29.45 Earth years
1 Saturn Day = 10.5 hours
82 known moons
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Pioneer 11 (twin of Pioneer 10) was launched in 1973 to get data from Saturn
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The Cassini-Huygens probe was launched in 1997 and arrived 2004. It was designed to land on Saturn's moon Titan.
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Uranus
Uniquely tilted axis
Has the coldest atmosphere on record (-224C) - cold enough to freeze gasses
Has 27 known moons
1 Uranus day = 17h 14m
1 Uranus year = 84 Earth Years
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Neptune
Planet discovered by mathematical prediction
Near-twin of Uranus
Has 14 known moons
1 Neptune Day = 16h6m
1 Neptune year = 165 Earth years
Has a 'Great Dark Spot'
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The Voyager Mission
Launched in 1977 and reached interstellar space in 2018. All of our high quality images of the Gas Giants were captured by the Voyager probes.
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The Golden Record contains recorded sounds of Earth, in case intelligent life finds the spacecraft in interstellar space
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
The Stuff in Space
The Big, The Bright, and The (possibly) Scary
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