Transcript No Slide Title

Days/years/ Moon/tides/
Pot Luck
seasons
Eclipses
Space Junk
Stars
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200
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300
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This piece of space junk orbits
between Mars and Jupiter.
100a
Asteroids
http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/asteroids.
html
200
This type of space junk has a highly
elliptical path.
200a
Comets
http://www.astro.washington.edu/larson/Astro150b/Lectures/Comet
s/comets.html
300
This type of space junk does not burn
up in our atmosphere.
65 million years ago a disaster happened, although we are not sure of the cause.
All the dinosaurs and many other groups of animals and plants became extinct
around this time. The most popular theory is that a mountain-sized meteorite hit
the Earth, throwing up a thick cloud of dust and causing tidal waves and global
forest fires. The dust hid the Sun. This might have killed many plants, which
need light to live. It might also have cooled the Earth and so killed the dinosaurs
which, being unable to keep themselves warm, might have stopped moving and
so starved.
300a
Meteorite
(It impacts the Earth.)
http://www.historyoftheuniverse.com/meteorit.html
400
This type of space junk can be
composed of rock, metal, or both.
400a
Asteroids
http://science.nasa.gov/headlines/images/eros/orbits.gif
500
This type of space junk is composed
of frozen gas and dust AND may
orbit in the Oort Cloud or Kuiper
Belt.
500a
Comets
http://www.solstation.com/stars/kuiper.htm
100
Star’s that are this color have a cooler
temperature.
100a
Red
http://www.profjohn.com/courses/ast1004/hrdiag/hrdiag.htm
200
Stars begin their life in a stellar
nursery called ________
200a
Nebula
http://www.enchantedlearning.com/sgifs/Starlifecycle.GIF
300
Small Stars like our sun end their life
as a _________ then a _________.
300a
White dwarf then black dwarf
http://www.geol.vt.edu/vesr/es/astr/star/star.html
400
How long a star lives depends on
400a
The original mass of the star.
http://www.seasky.org/cosmic/sky7a01.html
500
The largest type stars will end their
life as
500a
Black Holes
http://www.star.ucl.ac.uk/groups/hotstar/research.html
100
The Earth moves from daylight to
darkness once every day due to fact
that it is
100a
Rotating
http://www.nasa.gov/worldbook/wbkids/k_dayandnight.html
200
The Earth will make one trip around
the sun each year. This movement is
called
200a
Revolution
Earth is farthest from the Sun at its aphelion (summer in the
Northern Hemisphere) and closest during its perihelion
(winter in the Northern Hemisphere).
http://www.mhhe.com/earthsci/geology/mcconnell/earths_climate/intro.htm
300
In which direction do both the Earth
and Moon rotate and revolve
300a
Counter-clockwise
http://www.brocktonpublicschools.com/schools/high/planetarium/activities/
phases/phases4.html
400
In the spring and fall the sun is
directly over _______
400a
The equator.
It is overhead at the equator during the Spring and
Fall equinoxes. The Sun is overhead at the Tropic
of Cancer on June 21. This is the furthest north
that the strongest rays will travel. It is overhead at
the Tropic of Capricorn on December 21.
http://www.mhhe.com/earthsci/geology/mcconnell/earths_climate/intro.htm
500
The three reasons for the seasons are
500a
The tilt of the Earth, revolution around the
sun, direct/indirect light that reaches
Earth’s surface. ***Notice how the
location of the most direct rays change as
the Earth revolves around the sun.
http://www.onr.navy.mil/focus/spacesciences/observingsky/motion3.htm
100
What conditions are necessary for a
spring tide to occur?
100a
The positioning of the sun and the moon also has an effect on the height of
the tidal swell. During a new or full moon phase, the sun and moon are in
line, pulling on the earth's surface. This creates a higher level of tide called the "spring tides" from the Welsh word "springan" meaning 'to
bulge'.
http://www.thehopewellrocks.ca/english/fundytides2.htm
200
What percentage of the moon is
always illuminated?
200a
50%
http://www.amastro.org/at/mo/mopo.html
300
The image is a model of ??
http://csep10.phys.utk.edu/astr161/lect/time/eclipses.html
300a
Solar Eclipse. A solar eclipse can occur when
there is a new moon. This does not occur every
month because the moon's orbital plane doesn't
"lie flat" along the ecliptic, but forms an angle of
about 5º as you can see in this diagram (note: the
distances in this diagram are not to scale).
http://www.ap.stmarys.ca/demos/content/astronomy/lunar_eclipse/lunar_eclipse.html
400
This image is an example of ????
http://www.coldwater.k12.mi.us/lms/planetarium/guide/moon.html#wax%20cres
400a
A waning crescent moon
http://www.bellatrixobservatory.org/moon.jpg
500
The phases of the moon are due to
________
500a
The position of the Earth, Sun, and Moon.
**Light on right, moon is getting bright.
http://starchild.gsfc.nasa.gov/Images/StarChild/icons/moon_from_earth.gif
100
The unit of measurement that
scientists use to measure distances in
space.
The closest star to the earth, not counting our own sun, is
Alpha Centauri. This star, our solar system's closest
stellar neighbor is 4.3 light years away from the earth!
This means that the closest star to the earth (besides the sun) is
>>>> 23,462,784,000,000 miles away from us!
100a
Light years
Distances in space are huge and if we used
miles or kilometers our data (numbers)
would be huge. One light year is equal to
an extremely long distance 5,865,696,000,000 miles to be exact!
http://www.rlrouse.com/astronomy/light-year.html
200
Galaxies are classified by ??
200a
Their shape. The Milky Way Galaxy
is a spiral galaxy.
http://www.ncsu.edu/project/agronauts/mission1_2.htm
300
Billions of stars clustered together are
called???
300a
Galaxies
This is a picture of an irregular galaxy.
http://starchild.gsfc.nasa.gov/docs/StarChild/universe_level2/ngc6822.html
400
What two forces keep our planets in
orbit around the sun?
400a
Gravity and Inertia (sideways motion in
image).
http://www.ncsu.edu/project/agronauts/mission1_2.htm
500
Why can Hubble take clearer pictures
that Earth based telescopes?
500a
It is above our “pesky” atmosphere.
http://antwrp.gsfc.nasa.gov/apod/ap970306.html