Download Essential Question

8th Grade Science
Do Now
Monday, December 10, 2012
Copy the table on page _138_
Date
Question
Monday
1. What characteristics
do scientists use to
classify stars?
2. When classifying a
star, magnitude means
the same as
___________.
Tuesday
Wed/Thurs
Friday
Answer
Today’s Schedule
1.
2.
3.
4.
Do Now
White Board Review
Quiz
Light year
Vocabulary
Universe
Light Year
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Monday, December 10, 2012
Pre-AP
Homework
Grade-Level
Homework
Quiz Corrections
Quiz Corrections
Study for Test next
Tuesday
Study for Test next
Tuesday
Essential Question
How is current scientific data about
components of the universe used to
develop theories explaining the origins
of the universe?
Today we will…
8th Grade Science
Monday, December 10, 2012
8.8(A) describe components of the universe,
including stars, nebulae, and galaxies, and
use models such as the Hertsprung-Russell
diagram for classification
8.8(E) research how scientific data are used
as evidence to develop scientific theories to
describe the origin of the universe
BrainPop Video
Star Cycle Video
Black Holes Video
8th Grade Science
Monday, December 10, 2012
White Board Review
8th Grade Science
Monday, December 10, 2012
1. Describe the relationship between surface
temperature and brightness of stars in the
main sequence?
White Board Review
8th Grade Science
Monday, December 10, 2012
2. Using the HR Diagram, describe the
temperature and magnitude (brightness) of
Betelgeuse.
White Board Review
8th Grade Science
Monday, December 10, 2012
3. Where do black holes come from?
a) Astronomers have no idea.
b) Astronomers think that massive stars
exploded and created them.
c) Astronomers think that stars like our Sun
exploded and created them.
d) There is no evidence that black holes are
real.
White Board Review
8th Grade Science
Monday, December 10, 2012
5. As a star collapses and creates a black hole, the
mass of the star stays the same, but the volume
decreases. What effect does the change in
volume have on the density of the black hole?
a)
b)
c)
d)
The density increases.
The density decreases.
The density stays the same.
There is no way to keep the mass the same and
change the volume.
White Board Review
8th Grade Science
Monday, December 10, 2012
6. If a star has a low surface temperature and is
considered very dim, where would you expect it
to be located on the Herztsprung-Russell
diagram?
a)
b)
c)
d)
In the lower, right corner.
In the upper, right corner.
In the upper, left corner.
In the main sequence.
White Board Review
8th Grade Science
Monday, December 10, 2012
7. In the HR diagram, massive stars tend to be either
blue or white in color. What does this tell us about
these stars?
a)
b)
c)
d)
These stars have low surface temperatures.
These stars are very dim stars.
These stars are not in the Main Sequence.
These stars have high surface temperatures.
White Board Review
8th Grade Science
Monday, December 10, 2012
8. Ultraviolet, x-ray, visible, and microwave are all
members of the…
a)
b)
c)
d)
Periodic Table.
Tools used by medical professionals.
Electromagnetic (EM) spectrum.
Elements of the sun.
White Board Review
8th Grade Science
Monday, December 10, 2012
9. What group of stars does the Sun belong to?
White Board Review
8th Grade Science
Monday, December 10, 2012
Spectral Data for Element A
10. Based on the Spectral Data for Element A, which of the
following stars contains Element A?
a)
b)
c)
d)
QUIZ
8th Grade Science
Monday, December 10, 2012
Read and re-read the passage.
Underline the question
Bubble important words
Identify the key idea, write it in margin.
Eliminate the wrong answers
Select the correct answer ✓
8th Grade Science
Light Year
Monday, December 10, 2012
Write the word “Light year” vertically on page
_139__. Read the STEMScopes reading
about light years and then write a sentence or
phrase next to each letter.
L
I
G
H
T
Y
E
A
R
The distance light travels in one year
Do Now
8th Grade Science
Tuesday, December 11, 2012
On page _138__, answer the following
Date
Question
Answer
question.
Monday
Tuesday
Wed/Thu
rs
Friday
If the sun is a main
sequence star, why does
it appear so much larger
than other main sequence
stars?
Today’s Schedule
1. Do Now
2. Time Travel
3. Exit Ticket
Vocabulary
Universe
Light Year
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Tuesday, December 11, 2012
Pre-AP
Homework
Grade-Level
Homework
Correction Due
Friday
Correction Due
Friday
Major Test Next
Tuesday
Major Test Next
Tuesday
Essential Question
How is current scientific data about
components of the universe used to
develop theories explaining the origins
of the universe?
Today we will…
8th Grade Science
Tuesday, December 11, 2012
8.8(D) model and describe how light years are
used to measure distance and sizes in the
universe
Time Travel
8th Grade Science
Tuesday, December 4, 2012
Distances to stars and celestial objects are immense.
60 miles/hour
600 miles/hour
25,000 miles/hour.
LIGHT 186,000 miles/second
Time Travel
8th Grade Science
Tuesday, December 4, 2012
Imagine that with new technology you can build a time
machine that travels at light speed.
Write on page 141 of your notebook:
The unit used to express stellar distance is the
light-year, which is the distance that light travels in
a year.
Light-year = 5.8 trillion miles
(5,800,000,000,000 miles)
8th Grade Science
Time Travel
Tuesday, December 4, 2012
Using the charts at your table, calculate the distance
from the sun of your planet or galaxy for our scale
model.
1 light year= 1 millimeter
Distance in
Light Years
1
x
1 mm
1 light year
x
1 cm
10 mm
x
1m
100 cm
꞊
Time Travel
8th Grade Science
Tuesday, December 4, 2012
1. Measure the from the Earth, the scaled distance.
2. Using a paperclip, attach the card to the string in the
appropriate place.
3. Fill in your table about the other planets and
galaxies.
Time Travel
8th Grade Science
Tuesday, December 4, 2012
Video: Star Size Comparison
Video: The true size of our world
Exit Ticket
8th Grade Science
Tuesday, December 11, 2012
Are light years a measurement of
distance or time? How do you know?
Do Now
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
On page __, describe a situation when an
astronomer would use light-years as the
measurement.
Today’s Schedule
1.
2.
3.
4.
5.
Do Now
Milky Way Galaxy
Notes
Card Sory
“Monster in the Middle”
Vocabulary
Universe
Light Year
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
Pre-AP
Homework
Grade-Level
Homework
8.8 B/D
8.8 B/D
HW due on Friday
HW due on Friday
Essential Question
How is current scientific data about
components of the universe used to
develop theories explaining the origins
of the universe?
Today we will…
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
8.8(B) recognize that the Sun is a mediumsized star near the edge of a disc-shaped
galaxy of stars and that the Sun is many
thousands of times closer to Earth than any
other star.
Milky Way Galaxy
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
Using the sand, create a spiral galaxy on
colored paper at your table.
Milky Way Galaxy
Notes
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
Card Sort
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
Each group will be given 9 pictures of
galaxies.
Sort the galaxies by shape.
Card Sort
Spiral
Elliptical
Irregular
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
Video
8th Grade Science
Wednesday & Thursday, December 12 & 13, 2012
Monster in the Middle
Do Now
8th Grade Science
Friday, December 14, 2012
On page __, write half a page to a full page
explaining what all you have learned in this
unit.
Today’s Schedule
1. Do Now
2. Review Game
3. Finish “Monster in the
Middle”
Vocabulary
Universe
Light Year
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Friday, December 14, 2012
Pre-AP
Homework
Grade-Level
Homework
8.8 B/D
8.8 B/D
HW due today
HW due today
Essential Question
How is current scientific data about
components of the universe used to
develop theories explaining the origins
of the universe?
Today we will…
8th Grade Science
Friday, December 14, 2012
8.8(B) recognize that the Sun is a mediumsized star near the edge of a disc-shaped
galaxy of stars and that the Sun is many
thousands of times closer to Earth than any
other star.
8.8(D) model and describe how light years are
used to measure distance and sizes in the
universe
Review Game
I am, Who is?
8th Grade Science
Friday, December 14, 2012
Video
Monster in the Middle
8th Grade Science
Friday, December 14, 2012