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The Solar System. Module A Chapter 2 Grade 4. The Sun. Center of the universe Has the greatest mass Largest, brightest and hottest object in the solar system. Key Terms. Meteorites: chunks of rocks from outer space. - PowerPoint PPT Presentation
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The Solar SystemThe Solar System
Module A Chapter 2Module A Chapter 2
Grade 4Grade 4
The SunThe Sun
Center of the universeCenter of the universe
Has the greatest massHas the greatest mass
Largest, brightest and hottest object in the solar Largest, brightest and hottest object in the solar systemsystem
Key TermsKey Terms
Meteorites: chunks of rocks from outer space.Meteorites: chunks of rocks from outer space. Meteors: chunks of rock that burn up brightly Meteors: chunks of rock that burn up brightly
as they fall through the Earth’s atmospheresas they fall through the Earth’s atmospheres
Comets: icy balls of frozen gas and dustComets: icy balls of frozen gas and dust
Oort Cloud: clouds of cometsOort Cloud: clouds of comets
The Inner PlanetsThe Inner Planets
MercuryMercury VenusVenus EarthEarth MarsMars
Inner PlanetInner Planet
Earth
Orbits aroundThe sun
The Earth is an inner planet
It is an inner planetBecause of how close it is to the sun
The Inner PlanetsThe Inner Planets
Mercury
Closest planetto the sun Covered by dust
Craters on it formed
by meteorites
The Inner PlanetsThe Inner Planets
Venus
Has a thick atmosphere
Surrounded by
clouds
Surrounded byCarbon dioxide
and acid
The Inner PlanetsThe Inner Planets
Mars
Looks reddish
You may findwater here
Nights are colder than
the days
Atmosphere is mostly carbon
dioxide
The Outer PlanetsThe Outer Planets
JupiterJupiter
SaturnSaturn
UranusUranus
NeptuneNeptune
PlutoPluto
Outer PlanetsOuter Planets
Jupiter
Largest planet
Made of layers of liquid hydrogen
and helium
Rings of dustAnd ice
Creates moreheat than it
receives
Cold planet
Outer PlanetsOuter Planets
Saturn
Almost as large asJupiter.
Famous for itsrings.
Cold planet
The Outer PlanetsThe Outer Planets
Uranus and
Neptune
Blue-greenplanets
Very coldVery far from
the sun
PlutoPluto
Farthest from The sun
Ninth planet from
The sun
The smallestplanet
Review QuestionsReview Questions
The rings of Saturn, are caused by The rings of Saturn, are caused by _______ and ______ that spin around the _______ and ______ that spin around the equator of the planet. equator of the planet.
snow and sleet?snow and sleet?
Pickles and ice cream?Pickles and ice cream?
Dust and ice?Dust and ice?
Dust and IceDust and Ice
What causes Mars to appearWhat causes Mars to appearreddish?reddish?
Rusty IronRusty Iron Red paintRed paint cloudsclouds
Rusty IronRusty Iron
What is a meteor?What is a meteor?
A star that burns brightlyA star that burns brightly
An inner planetAn inner planet
Chunks of rock that falls through the Earth’s Chunks of rock that falls through the Earth’s atmosphereatmosphere
Chunks of rock that burnChunks of rock that burnbrightly as they fall through brightly as they fall through
Earth’s atmosphere.Earth’s atmosphere.
Which is the largest planet?Which is the largest planet?
EarthEarth
JupiterJupiter
MarsMars
JupiterJupiter
Chunks of rock from outer space Chunks of rock from outer space that reach Earth’s surface are:that reach Earth’s surface are:
NeptuneNeptune
Oort CloudOort Cloud
MeteoritesMeteorites
Meteorites!Meteorites!
Comets called _______________ Comets called _______________ may surround the solar system.may surround the solar system.
Oort CloudOort Cloud
JupiterJupiter
Peanut ButterPeanut Butter
Oort CloudOort Cloud
Connecting IdeaConnecting IdeaInner Planets Outer Planets
MercuryVenusEarthMars
JupiterSaturnUranusNeptunePluto
