Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Guiding
Questions/
Specificity
Unit Subtopic: Electromagnetic Spectrum
8.8(C) explore how
Guiding Questions:
different wavelengths
of the electromagnetic How do astronomers
spectrum such as light evaluate different types of
and radio waves are
electromagnetic radiation
used to gain
to gather information about
information about
objects in space?
distances and
properties of
Specificity:
Properties of waves
components in the
- amplitude
universe;
- frequency
- wavelength
EOC SUPPORTING
Transverse/
Longitudinal
Electromagnetic waves do
not require a medium.
Revised Spring 2014
Assessment
What does the Redshift
of a galaxies spectral
lines tell astronomers?
a. Galaxies are
moving away from
each other.
b. Galaxies are moving
towards each other.
c. Galaxies are not
moving.
d. Galaxies are
crashing into each
other.
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Wavelengths
Days to Teach: 4 Days
Electromagnetic
Spectrum
Amplitude
Electromagnetic Pics
Frequency
Electromagnetic
spectrum
Electromagnetic
Spectrum Poster
Electromagnetic
waves
Resources/
Weblinks
APPS:
NASA
Hubble Top 100
Exoplanet
NASA Viz
Planets
Moon
Jog Nog
Science Glossary
Khan Academy
www.glencoe.com/sites/
common_assets/science/
virtual_labs/CT05/CT05
.html
Light waves
Radio waves
EM Spectrum in Space
(right click on .jpg,
select package object,
click yes)
Spectrum-space.jpg
Vocabulary
Concentration
http://glencoe.mcgrawhill.com/sites/dl/free/00
78617766/171920/index
.html
Electromagnetic
Spectrum Information
http://imagine.gsfc.nasa.
gov/docs/science/know_
l1/emspectrum.html
Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Guiding
Questions/
Specificity
Unit Subtopic: Components of the Universe
8.8(A) describe
What are nebulae and
components of the
why are they important?
universe, including
stars, nebulae, and
Explain how to use the
galaxies, and use
HR Diagram to describe
models such as the
the magnitude and
Herztsprung-Russell
temperature of stars.
diagram for
classification;
Specificity:
Galaxy Types:
Elliptical
EOC READINESS
Spiral
Irregular
Stars – lifecycle of small
and large stars
Revised Spring 2014
Assessment
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Days to Teach: 4 Days
Many of the stars in the
H-R Diagram fall in a
diagonal line. What
relationship can be seen
among surface
temperature and
brightness in the main
sequence stars?
a. Surface
temperature
decreases as
brightness
decreases.
b. Surface
temperature
increases as
brightness
decreases.
c. Surface
temperature
decreases as
brightness
decreases.
d. Surface
temperature
increases as
brightness
increases.
Spiral Galaxy
Elliptical Galaxy
Irregular Galaxy
Universe
The Hertzsprung-Russell
Diagram
Reading/Questions
HR Diagram
Nebulae
Make your own HR
Diagram
Magnitude/
Brightness
Main sequence
Cluster
Constellation
Exemplar Lesson
“Components of the
Universe”
TEKS 8.8A
Resources/
Weblinks
Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Unit Subtopic: Sun
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;
EOC SUPPORTING
Guiding
Questions/
Specificity
Guiding Questions:
Where is the sun located
in reference to the earth
and to the universe?
Specificity:
Review 6.11A describe
physical properties,
locations, and
movements of the sun.
Describe the properties
of the sun using the HR
Diagram and the Sun’s
lifecycle.
Teacher Note: remind
students that the Sun is
the source of all energy.
Assessment
What size is the Earth’s
sun?
a. Small
b. Medium
c. Large
d. Giant
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Days to Teach: 4 Days
Suggested Activities:
STEMscopes
Simple Science
Solutions Unit in
Google Drive: Middle
School Science Folder
Notes: Our Sun
Astronomy Review
Games
ELPS Student
Expectations:
http://ritter.tea.state.tx.us
/rules/tac/chapter074/ch
074a.html
 4F: Nonlinguistic
Rep/Graphic
Organizers/Visual/Vid
eos
 1F: Cornell Notes
 2D: KWL
Revised Spring 2014
Resources/
Weblinks
http://qldscienceteacher
s.tripod.com/junior/astr
o/sun.html
http://reviewgamezone.
com/topics.php?id=1&n
ame=Astronomy
Hearne ISD
Course: Eighth Grade
Unit: Earth and Space
TEKS
Science
Guiding
Questions/
Specificity
Unit Sub-Topic: Light Years
8.8(D) model and describe
Guiding Questions:
What unit of measurement
how light years are used to
is best to use to measure
measure distances and
distances between objects
sizes in the universe.
in space?
EOC SUPPORTING
Specificity:
Identify a light year as a
measurement of distance,
not of time.
Speed of light = 300,000
km/s
Light year = 9.5 trillion
km
Teacher Note: Some
distant galaxies are so far
away that their light takes
several billion of years to
reach the earth. From
Earth we see them as they
were in the past. Review
6.11 C concerning history
and future of space
exploration.
Revised Spring 2014
Assessment
How long does is take the
light from a star that is
11.9 light-years away to
reach earth?
a.
11.9 years
b. 11.9 x 9.5 trillion
years
c. 11.9 sec
d. 11.9 x 9.5 trillion sec
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Light year
Days to Teach: 2 Days
Suggested Activities:
Scientific notation
Astronomical Unit (AU)
Speed of Light
Exemplar Lesson:
“Light Years”
TEKS 8.8D
Light Years Activity
Additional Assessment
Questions
Resources/
Weblinks
Stemscopes
Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Assessment
Guiding
Questions/
Specificity
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Unit Sub-Topic: Origin of the Universe
8.8(E) research how
scientific data are used as
evidence to develop
scientific theories to
describe the origin of the
universe.
Guiding Questions:
How do scientists use
telescopes and microwave
radiation to study the
origins of the universe?
What is the Big Bang
Model of the origin of the
universe?
Days to Teach: 4 Days
All the stars we observe
from Earth emit light that
is shifted, to varying
degrees, to longer
wavelengths. This
evidence is used to support
the Big Bang Theory
because it shows that stars
we observe –
a.
Specificity: Include
several different theories
of the origin of the
universe
Ex: Big Bang, Big
Crunch, Inflation
Universe, Oscillating
Universe
Teacher Note:
Review TEK 8.3D
concepts relating the
impact of research on
scientific thought and
society.
Revised Spring 2014
Resources/
Weblinks
are all older than
our Sun.
b. are made up of
helium gas.
c. use nuclear fusion
to make light.
d. are moving away
from us.
Big Bang Theory
Stemscopes
Red shift
www.prometheanplanet.co
m/en/Resources/Item/2716
6/the-big-bang
Spectroscope
Spectrograph
The Big Bang
Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Guiding
Questions/
Specificity
Unit Sub-Topic: Lunar Phases
8.7 (B) demonstrate and
Guiding Questions:
predict the sequence of
Predict the next moon
events in the lunar cycle
phase...
EOC READINESS
What is the difference
between waning and
waxing?
Assessment
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Days to Teach:– 4 Days
The phase immediately
following a new moon in
the lunar cycle is called
a.
First quarter
b. Waxing gibbous
c. Waxing crescent
d. Full Moon
Lunar
Phase
Animation of lunar phases
http://astro.unl.edu/naap/lp
s/animations/lps.html
Month
http://www.valdosta.edu/~
cbarnbau/astro_demos/fra
meset_moon.html
Waning
What is the difference
between rotation and
revolution?
Waxing
Specificity:
Review 6.11 B concepts
explaining that gravity is
the force that governs
motion in the solar system
Revolution
Moon Phases Calendar
http://www.middleschools
cience.com/moonphase.pd
f
Rotation
Moon Phases
www.prometheanplanet.co
m/en/Resources/Item/4251
2/moon-phases
Period
Lunar Lollipops
Be sure to illustrate a
model of the lunar cycle
predicting what comes
next and concentrating the
position of the moon, earth
and sun.
http://www.windows2univ
erse.org/teacher_resources/
lunar_edu.html
http://www.sciencespot.net
/Media/moonphases.pdf
Phases Poster
Exemplar Lesson
“Predicting Lunar Cycle”
TEKS 8.7B
Revised Spring 2014
Resources/
Weblinks
Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Unit Sub-Topic: Tides
8.7 C – relate the position
of the Moon and Sun to
their effect on ocean tides.
EOC SUPPORTING
Guiding
Questions/
Specificity
Assessment
Guiding Questions:
How does the alignment of
the sun and moon affect
the earth? (oceans).
What are the positions of
the moon, the sun, and
Earth when spring tides
occur?
a. The sun is
perpendicular to the
moon and Earth.
b. The moon is
perpendicular to the
sun and Earth
c. The moon, the sun,
and Earth are in a line
with either the moon
or the sun in the
middle.
d. The moon, the sun,
and Earth are in a
line with either the
moon or Earth in
the middle.
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Days to Teach: 4 Days
Specificity:
Show the relationship
between the moon phases
and the change between
spring and neap tide.
Emphasize the effects of
gravity. (Supports 6.11 B)
Show an animation
Relationship
Tides Animation
tides
spring
neap
http://www.valdosta.edu/~
cbarnbau/astro_demos/fra
meset_moon.html
Tides worksheets
location
gravity
Tides
Exemplar Lesson
“Tides”
TEKS: 8.7C
Additional Assessment
Questions
Revised Spring 2014
Resources/
Weblinks
http://www.onr.navy.mil/F
ocus/ocean/motion/tides1.
htm
Hearne ISD
Science
Course: Eighth Grade
Unit: Earth and Space
TEKS
Unit Sub-Topic: Seasons
8.7 (A) – model and
illustrate how the tilted
Earth rotates on its axis,
causing day and night, and
revolves around the Sun
causing changes in seasons
EOC READINESS
Guiding
Questions/
Specificity
Assessment
Designated Six Weeks: Third Six Weeks
Days to teach: 25 Days
Vocabulary
Instructional
Strategies
Days to Teach: 4 Days
Guiding Questions:
What causes seasons?
What causes day and
night?
What is Earth’s period of
revolution? Rotation?
Specificity:
Review 6.11 A,B
A. the characteristics and
properties of celestial
bodies and
B. that gravity is the force
that governs motion in our
solar system.
Which of the following
best describes why the
Earth has the four seasons?
A. The sun is closer to
the Earth during
summer and farther
away during winter
B. The sun shines
directly onto the
equator all year long
C. The 23.5° tilt of the
Earth is the
primary reason for
the seasons
D. The speed of the
Earth's revolution.
Rotation
Revolution
Seasons
Seasons Animation
Axis
Orbit
Seasons Activity
Ellipse
Direct
Indirect
Exemplar Lesson
TEKS 8.7A
“Reason for Seasons”
Seasons
Astronomy Review Games
ELPS Student
Expectations:
http://ritter.tea.state.tx.us/r
ules/tac/chapter074/ch074
a.html
Revised Spring 2014
Resources/
Weblinks
http://www.valdosta.edu/~
cbarnbau/astro_demos/fra
meset_moon.html
http://reviewgamezone.co
m/topics.php?id=1&name
=Astronomy