Download Essential Question

Do Now
8th Grade Science
Monday, December 3, 2012
On page __, make your weekly Do Now page.
Scientists use spectroscopes to separate light
into colored lines. Make a prediction about
what information this tells them about stars.
Today’s Schedule
1. Do Now
2. Fingerprinting Stars
3. Analysis Questions
Vocabulary
Universe
Stars
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Monday, December 3, 2012
Pre-AP
Homework
Grade-Level
Homework
8.8(A)
8.8(A)
HW due on Friday
HW due on Friday
QUIZ ON FRIDAY
QUIZ ON FRIDAY
Essential Question
How do we learn about the components of our
universe?
How does science explain the origin of the
universe?
What are the differences/similarities between how
science, religion, art, historians explain the origins
of the universe?
Today we will…
8th Grade Science
Monday, December 3, 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
Fingerprinting Stars
8th Grade Science
Monday, December 3, 2012
1. Compare the strips of elements to the
Fingersprints of the Stars to discover what
each star is comprised of.
2. Record observations on the handout.
3. Use the Periodic Table to identify the
atomic number and mass for each element.
Analysis Questions
8th Grade Science
Monday, December 3, 2012
1. What elements are found in all five stars?
2. Why do you think these elements are found in all
five stars? Think about their atomic structure and
placement on the Periodic Table.
3. Do any of the stars contain all eight of the given
elements?
4. Which of the stars do you think is the oldest?
Do Now
8th Grade Science
Tuesday, December 4, 2012
Complete the Anticipation Guide and then
tape/glue it on page __.
Today’s Schedule
1.
2.
3.
4.
Do Now
Constructing HR Diagram
Reading: HR Diagram
Finish Anticipation Guide
Vocabulary
Universe
Stars
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Tuesday, December 4, 2012
Pre-AP
Homework
Grade-Level
Homework
8.8(A)
8.8(A)
HW due on Friday
HW due on Friday
QUIZ ON FRIDAY
QUIZ ON FRIDAY
Essential Question
How do we learn about the components of our
universe?
How does science explain the origin of the
universe?
What are the differences/similarities between how
science, religion, art, historians explain the origins
of the universe?
Today we will…
8th Grade Science
Tuesday, December 4, 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
Constructing HR Diagram
8th Grade Science
Tuesday, December 4, 2012
1. Construct an HR Diagram using the materials
at your table.
2. Record the completed diagram on page __.
Make sure you include the labels for each
axis.
Reading
8th Grade Science
Tuesday, December 4, 2012
1. Read: HR Diagram
2. Use the handout to record the 4 types of stars,
the relationship of temperatures and brightness,
and location.
Finish Anticipation Guide
Finish the Anticipation Guide.
8th Grade Science
Tuesday, December 4, 2012
Do Now
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
On page __, describe what HR diagrams are
and what they measure as if you were talking
to a third grader.
Do Now
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
ALTERNATE (Grade Level)
Read: HR Diagrams (from Tuesday)
Using the reading, complete the handout.
Do Now
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
ALTERNATE (Pre-AP)
Read: HR Diagrams (from Tuesday)
Create the table below on page ____ and,
using the reading, complete the table.
Type of Star
Main Sequence
Giant
Supergiant
White Dwarf
Relationship of Temperature and
Brightness
Location on
HR Diagram
Today’s Schedule
1.
2.
3.
4.
5.
6.
7.
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Do Now
BrainPop Video: Star Cycle
Life Cycle of a Star
Lab: Black Holes and Beyond
BrainPop Video: Black Holes
Comic Strip
White Board Review
Vocabulary
Universe
Stars
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
Pre-AP
Homework
Grade-Level
Homework
8.8(A)
8.8(A)
HW due on Friday
HW due on Friday
QUIZ ON FRIDAY
QUIZ ON FRIDAY
Essential Question
How do we learn about the components of our
universe?
How does science explain the origin of the
universe?
What are the differences/similarities between how
science, religion, art, historians explain the origins
of the universe?
Today we will…
8th Grade Science
Wednesday & Thursday, December 5 & 6, 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
Video: Star Cycle
Life Cycle of a Star
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Lab
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Create the table below on page ___ of you INB.
Trial Circumference
Radius
Volume
1.
2.
3.
4.
Formulas: Circumference = 2πr
Volume = 4/3 πr3
Density = m/V
π = 3.14
Mass
Density
Lab
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
TRIAL 1
1. Inflate a balloon to about 45cm in circumference.
2. Cover the balloon in aluminum foil to make your
“star”.
3. Measure your “star” three times at three different
angles and record the average under Trial 1.
4. Place your “star” on the triple beam balance to
determine the mass. Record under Trial 1.
Lab
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
TRIAL 2
1. Using a push-pin, carefully pop your “star” without
crushing the foil.
2. Carefully crush the “star” so that it is SLIGHTLY
smaller than its original volume.
3. Measure and record the circumference of the “star”
three times at three different angles. Record this
under Trial 2.
4. Measure the mass of the “star” and record in under
Trial 2.
Lab
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
TRIAL 3
1. Crush your “star” SLIGHTLY once again so that it is
not quite completely crushed.
2. Measure and record the circumference of the “star”
three times at three different angles. Record this
under Trial 3.
3. Measure the mass of the “star” and record in under
Trial 3.
Lab
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
TRIAL 4
1. Crush your “star” one last time so that it is now as
compact as possible.
2. Measure and record the circumference of the “star”
three times at three different angles. Record this
under Trial 3.
3. Measure the mass of the “star” and record in under
Trial 3.
Lab – Questions
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Answer the questions on the handout and
tape/glue it on page ___.
Video: Black Holes
Black Holes Video
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Comic Strip
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Create a comic strip showing the life cycle of a star.
Your comic strip must include the following terms:
Main Sequence
White Dwarf
Supergiant
Red Giant
Black Hole
HR Diagram
White Board Review
White Board Review
8th Grade Science
Wednesday & Thursday, December 5 & 6, 2012
Do Now
8th Grade Science
Friday, December 7, 2012
On page __, answer the following questions.
1. Describe the temperature and brightness of
Giants, according the to HR Diagram.
2. What is the name of the star group where a
star spends the majority of its life?
Today’s Schedule
1. Do Now
2. Finish Black Hole Lab
3. White Board Review
Vocabulary
Universe
Stars
Nebulae
Galaxies
Herztsprung-Russel diagram
Electromagnetic Spectrum
8th Grade Science
Friday, December 7, 2012
Pre-AP
Homework
Grade-Level
Homework
8.8(A)
8.8(A)
HW due on Today!
HW due Today!
QUIZ ON MONDAY
QUIZ ON MONDAY
Essential Question
How do we learn about the components of our
universe?
How does science explain the origin of the
universe?
What are the differences/similarities between how
science, religion, art, historians explain the origins
of the universe?
Today we will…
8th Grade Science
Friday, December 7, 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
Finish Black Hole Lab
8th Grade Science
Friday, December 7, 2012
Complete the Conclusion Questions.
Black Holes Video
White Board Review
8th Grade Science
Friday, December 7, 2012
1. Describe the relationship between surface
temperature and brightness of stars in the
main sequence?
White Board Review
8th Grade Science
Friday, December 7, 2012
2. Using the HR Diagram, describe the
temperature and magnitude (brightness) of
Betelgeuse.
White Board Review
8th Grade Science
Friday, December 7, 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
Friday, December 7, 2012
4. What types of celestial objects are seen in the
picture below?
a)
b)
c)
d)
Planets and galaxies
Planets and black holes
Stars and black holes
Stars and galaxies
White Board Review
8th Grade Science
Friday, December 7, 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
Friday, December 7, 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
Friday, December 7, 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
Friday, December 7, 2012
8. What does “light-year” mean?
White Board Review
8th Grade Science
Friday, December 7, 2012
9. 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
Friday, December 7, 2012
10. When would an astronomer want to use lightyears for the measurement?
a) Calculating the time it takes sunlight to travel from
the sun to Earth.
b) Calculating the time it takes to travel across the
galaxy.
c) Describing the distance between stars.
d) Describing the distance between the Earth and
the Sun.
White Board Review
8th Grade Science
Friday, December 7, 2012
11. What group of stars does the Sun belong to?
White Board Review
8th Grade Science
Friday, December 7, 2012
Spectral Data for Element A
12. Based on the Spectral Data for Element A, which of the
following stars contains Element A?
a)
b)
c)
d)
QUIZ
8th Grade Science
Friday, December 7, 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 ✓