Elementary Science

1. THE SOLARTHE SOLAR
SYSTEMSYSTEM

2. The Solar System consists of:The Solar System consists of:
 PlanetsPlanets
 MoonsMoons
 AsteroidsAsteroids
 CometsComets

3. PLANETSPLANETS
A planet is a large, round
heavenly body that orbits
a star and shines with light
reflected from the star. We
know of nine planets that
orbit the sun in our solar
system. Since 1992,
astronomers have also
discovered many planets
orbiting other stars. World book

4. What are the nine planets?What are the nine planets?
HINT: My Very Educated Mother Just Sent Us Nine PizzasHINT: My Very Educated Mother Just Sent Us Nine Pizzas
MercuryMercury
VenusVenus
EarthEarth
MarsMars
JupiterJupiter
SaturnSaturn
UranusUranus
NeptuneNeptune
PlutoPluto

5. MERCURYMERCURY
Mer|cu|ry «MUR kyuhr ee», noun.
The smallest planet in the solar system, after
Pluto, and the one nearest to the sun. Its orbit
about the sun takes 88 days to complete, at a
mean distance of almost 36,000,000 miles. Mercury
goes around the sun about four times while the
earth is going around once.
[< Latin Mercurius]
World Book

6. VENUSVENUS
Venus is the sixth largest
planet in the solar system and
the second in distance from
the sun. Venus is the brightest
planet in the solar system and
the one that comes closest to
the earth. World Book

7. EARTHEARTH
 Age:Age: At least 4 1/2 billion yearsAt least 4 1/2 billion years
 Mass:Mass: 6,600,000,000,000,000,000,000 (6.6 sextillion)6,600,000,000,000,000,000,000 (6.6 sextillion)
tons (6.0 sextillion metric tons).tons (6.0 sextillion metric tons).
 Surface features:Surface features: Highest landHighest land—Mount Everest, 29,035—Mount Everest, 29,035
feet (8,850 meters) above sea level.feet (8,850 meters) above sea level. Lowest landLowest land—shore—shore
of Dead Sea, about 1,310 feet (399 meters) below sea).of Dead Sea, about 1,310 feet (399 meters) below sea).
 Temperature:Temperature: Highest,Highest, 136 °F (58 °C) at Al Aziziyah,136 °F (58 °C) at Al Aziziyah,
Libya.Libya. Lowest,Lowest, -128.6 °F (-89.6 °C) at Vostok Station in-128.6 °F (-89.6 °C) at Vostok Station in
Antarctica.Antarctica. Average surface temperature,Average surface temperature, 59 °F (15 °C).59 °F (15 °C).
 Chemical makeup of the earth's crust (in percent ofChemical makeup of the earth's crust (in percent of
the crust's weight):the crust's weight): oxygen 46.6, silicon 27.7,oxygen 46.6, silicon 27.7,
aluminum 8.1, iron 5.0, calcium 3.6, sodium 2.8,aluminum 8.1, iron 5.0, calcium 3.6, sodium 2.8,
potassium 2.6, magnesium 2.0, and other elementspotassium 2.6, magnesium 2.0, and other elements
totaling 1.6.totaling 1.6.

8. MARSMARS
The Mars Odyssey probe,The Mars Odyssey probe,
shown in this illustrationshown in this illustration
orbiting Mars, foundorbiting Mars, found
evidence of water iceevidence of water ice
beneath the surface ofbeneath the surface of
Mars in 2002. The probe,Mars in 2002. The probe,
launched in 2001, alsolaunched in 2001, also
analyzed the chemicalanalyzed the chemical
composition of thecomposition of the
planet's surface.planet's surface. World BookWorld Book

9. What is this planet called?What is this planet called?

10. Jupiter

11. JupiterJupiter
JupiterJupiter is the largest planet in the solar system.is the largest planet in the solar system.
Its diameter is 88,846 miles (142,984Its diameter is 88,846 miles (142,984
kilometers), more than 11 times that of Earth,kilometers), more than 11 times that of Earth,
and about one-tenth that of the sun. It wouldand about one-tenth that of the sun. It would
take more than 1,000 Earths to fill up thetake more than 1,000 Earths to fill up the
volume of the giant planet. When viewed fromvolume of the giant planet. When viewed from
Earth, Jupiter appears brighter than most stars.Earth, Jupiter appears brighter than most stars.
It is usually the second brightest planet—afterIt is usually the second brightest planet—after
Venus.Venus.

12. SATURNSSATURNS

13. SATURN

14. URANUSURANUS
one of the larger planets in the solar system and the seventh in distance from the sun.
U|ra|nus «yu RAY nuhs, YUR uh-», noun.

15. NEPTUNENEPTUNE
LatinLatin ,, relatedrelated
toto nebulanebula
cloud, mistcloud, mist
In Neptune's outermost ring, 39,000 miles
(63,000 kilometers) from the planet, material
mysteriously clumps into three bright, dense
arcs.
NASA

16. PLUTOPLUTO
Is Pluto a planet? Yes, Pluto is a
planet. The body that decides the
classification of objects in the solar
system, the International Astronomical
Union (IAU), has no plans to change
Pluto's status as a planet and has
decided against assigning it a minor
planet number. For more on this
decision, see:
http://www.iau.org/IAU/FAQ/PlutoPR.html.

17. AND MUCH
MUCH
MORE…….