This week at Ellis we will continue to study surface area of cylinders in math. As you know, the more we practice a concept, the better we will get at it. I have a feeling we will all be surface area experts by the end of this year! Be expecting some math homework and a quiz on Thursday. I've notice a lot of people using Ten Marks to help practice their math work! This is WONDERFUL! Keep it up!
In science, we will focus our next two weeks of instruction on stars and galaxies. On Monday, I will share with you some information on the lifecycle of stars. Here's a preview of what we will be taking about:
You will get a choice sheet (Seeing Stars) to complete for next Friday as well as the following vocabulary words that you will need to know for a quiz this Friday:
Apparent
Magnitude-
the brightness of a celestial body as seen from earth. The lower the number, the brighter the
planet or star.
Constellation- a region of the sky that
contains a recognizable star pattern and that is used to describe the location
of objects in space.
Black
hole- an
object so massive and dense that even light cannot escape its gravity
White
dwarf- a
small, hot, dim star that is the leftover center of an old star.
Supernova- a gigantic explosion in
which a massive star collapses and throws it outer layers into space.
Galaxy- a collection of stars,
dust, and gas bound together by gravity
Globular
cluster- a
tight group of stars that looks like a ball and contains up to 1 million stars.
Nebula- a large cloud of gas and
dust in interstellar space; a region where stars are born.
Quasar- a very luminous object
that produces energy at a high rate; they are thought to be the most distant
objects in the universe.
Protostar- a ball of gas and
dust. Gravity pulls the gas and
dust together, and its center gets hotter (the first stage of the lifecycle of
a star)
Let's get this week going!
See you tomorrow,
Mr. Trent
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