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Breathitt County Schools
SCIENCE CURRICULUM FRAMEWORK
Seventh Grade
Big Idea: The Earth and the Universe (Earth/Space Science) Grade 7
The Earth system is in a constant state of change. These changes affect life on Earth in many ways. Development of conceptual
understandings about processes that shape the Earth begin at the elementary level with understanding what Earth materials are and that
change occurs. At the middle level, students investigate how these changes occur. An understanding of systems and their interacting
components will enable students to evaluate supporting theories of Earth changes. The use of models and observance of patterns to explain
common phenomena is essential to building a conceptual foundation and supporting ideas with evidence at all levels. In middle school, students
begin to look beyond what can be directly observed as they explore the Earth-sun-moon system, as well as the rest of our solar system,
employing the concept of scale within their models. Patterns play an important role as students seek to develop a conceptual understanding of
gravity in their world and in the universe.
Academic Expectations
2.1
Students understand scientific ways of thinking and working and use those methods to solve real-life problems.
2.2
Students identify, analyze, and use patterns such as cycles and trends to understand past and present events and predict possible future
events.
2.3
Students identify and analyze systems and the ways their components work together or affect each other.
Big Idea: The Earth and the Universe (Earth/Space Science) Grade 7
Program Of
Studies:
Understandings
Program of Studies:
Skills and Concepts
Core Content
For Assessment
DOK
Essential
Questions/
Content
SC-7-EU-U-1
Students will
understand that
regular and
predictable
movement is not
limited to our solar
system. New
technologies,
coupled with an
understanding of
the laws of motion,
allow for the
discovery of
celestial bodies that
cannot be directly
observed.
SC-7-EU-S-1
Students will research
how the laws of motion
have been (and are
still) used to make
predictions about the
movement of planets
and satellites
SC-07-2.3.3
Students will
describe the concept
of gravity and the
effect of
gravitational force
between the sun,
moon and Earth.
What causes the
earth to orbit
the Sun and the
moon to orbit
Earth? (Objects
smaller in mass
orbit larger
objects)
SC-7-EU-S-3
Students will
investigate the
structure of the galaxy
and the Earth’s place
within it
The gravitational
pull of the Sun and
moon on Earth’s
oceans as the
major cause of
tides can be
understood from
generalizations
based on
evidence.
DOK 2
Level of
Mastery
DOK 2
DOK 2
What causes
Earth’s
seasons?
What causes
night and day
on Earth?
Essential
Vocabulary
Resources
Assessments
Gravity :the
attraction due to
gravitation that the
Earth or another
celestial body exerts
on an object or near
its surface
Orbit: curved path
that a celestial body
such as a planet,
moon, or satellite
follows around a
larger celestial body
such as the Sun
Ellipse: elongated,
closed curve that
describes Earth’s
yearlong orbit around
the Sun
Rotation: Spinning of
a planet or other
celestial body on its
imaginary axis
Revolution: one
complete orbit of a
smaller object around
Here the teacher
would list their text,
internet resources,
resource people
etc. They could also
be pre-planning for
assessment and
working backward
to the content.
Understandings
Skills
Concepts
Core
Content
Essential
Questions
Level of
Mastery
Essential
Vocabulary
a larger object
Sphere: round,
three-dimensional
object whose surface
is the same distance
from its center at all
points
Axis: imaginary
vertical line that cuts
through the center of
Earth and around
which Earth spins
SC-7-EU-U-2
Students will
understand that our
solar system is part
of a larger
collection of
millions of stars
(Milky Way
Galaxy), any of
which may be the
center of its own
system of orbiting
planets.
SC-7-EU-S-3
Students will
investigate the
structure of the galaxy
and the Earth’s place
within it
How are
galaxies
formed?
What type of
galaxy is the
Milky Way
Galaxy?
Where is our
solar system
located in the
Milky Way
Galaxy?
2
DOK 2
Galaxy :a large
group of stars, gas,
and dust held
together by gravity
Big Bang
Theory:
approximately 12 to
15 billion years ago,
the formation of the
universe began with
a fiery explosion
Spiral
Galaxy: have spiral
arms that wind
outward from inner
regions
Elliptical
Galaxy: usually
football shaped
Irregular Galaxy:have
different shapes
Resources
Assessments
Understandings
SC-7-EU-U-3
Students will
understand that
gravitational
interactions within
the Earth, sun and
moon system
impact phenomena
and organisms on
the surface of the
Earth.
Skills
Concepts
SC-7-EU-S-2
Students will describe
the effects of gravity on
the movements and
interactions of the
Earth, sun and moon
Core
Content
SC-07-2.3.3
Students will
describe the
concept of gravity
and the effect of
gravitational force
between the sun,
moon and Earth.
The gravitational
pull of the Sun and
moon on Earth’s
oceans as the
major cause of
tides can be
understood from
generalizations
based on
evidence.
DOK 2
Essential
Questions
Why does the
moon have
more effect than
the Sun on
Earth’s daily
tides?
How does the
position of the
Sun, Earth, and
Moon cause
Spring and
Neap tides?
Do tides have
predictable
patterns?
What are the
phases of the
moon and what
causes them?
3
Level of
Mastery
Essential
Vocabulary
DOK 2
Tide: the rise and fall
of sea level-(a giant
wave produced by the
gravitational pull of
the Sun and the
Moon)
Crest-highest point of
a wave
Trough-lowest point of
a wave
High Tide: tide at its
highest point(usually
2 in a 24 hour period)
Low Tide: tide at its
lowest level(usually 2
in a 24 hour period
Neap Tide :occur
when the Sun,Earth,
and Moon form a right
angle (First Quarter
and Last Quarter-high
tides are lower and
low tides are higher
than normal
Spring Tide: occur
when Sun, Earth, and
Moon are
aligned(New and Full
moon)high tides are
higher and low tides
are lower than normal
Waxing: following a
new moon, as more of
the Moon’s lighted
side becomes visible
Waning: occur after a
full moon, as the
visible lighted side of
the Moon grows
smaller
New Moon: phase
that occurs when the
Moon is between
Earth and the Sun, at
which point the Moon
cannot be seen
because the lighted
side is facing the Sun
and its dark side is
facing Earth
Full Moon: phase
that occurs when all
Resources
Assessments
Understandings
Skills
Concepts
Core
Content
Essential
Questions
Level of
Mastery
Essential
Vocabulary
of the Moon’s surface
facing Earth reflects
light
First Quarter: occurs
about 7 days after a
New Moon-right half
of the Moon’s lighted
surface reflects Sun’s
light
Last Quarter: occurs
about 7 days after
Full Moon-left half of
the Moon’s lighted
surface facing Earth
reflects Sun’s light
Solar Eclipse: occurs
when the Moon
passes directly
between the Sun and
Earth and casts a
shadow over parts of
Earth
Lunar Eclipse:
occurs when Earth’s
shadow falls on the
MoonPenumbra: the lighter
shadow cast during
an eclipse-partial
eclipse
Umbra: darkest
portion of shadow
cast during eclipsetotal eclipse
Why do solar
and lunar
eclipses occur?
4
Resources
Assessments
Understandings
SC-7-EU-U-4
Students will
understand that
models of the interior
of the Earth have
been constructed
primarily from
inferences based on
limited data obtained
during earthquakes
and volcanic
eruptions. These
models are useful,
but are open to
revision or rejection
as new information is
obtained.
Skills
Concepts
SC-7-EU-S-4
Students will analyze the
evidence used to infer the
composition of the
Earth’s interior and
evaluate the models based
upon that evidence
Core
Content
SC-07-2.3.1
Students will
make inferences
and predictions
related to
changes in the
Earth’s surface or
atmosphere
based on
data/evidence.
The Earth’s
processes we see
today, including
erosion,
movement of
lithospheric plates
and changes in
atmospheric
composition, are
predictable and
similar to those
that occurred in
the past. Analysis
of evidence from
Earth’s history
substantiates the
conclusion that
the planet has also
been influenced
by occasional
catastrophes such
as the impact of
an asteroid or
comet.
DOK 3
Essential
Questions
What
clues/evidence
suggests there
was once a
supercontinent?
How has the
composition of
Earth’s
atmosphere
changed over
time?
How have
asteroids and
comets affected
Earth’s surface
and
atmosphere?
5
Level of
Mastery
Essential
Vocabulary
DOK 3
Continental Drift
Theory: Wegner’s
hypothesis that all
continents were once
connected in a single
large landmass that
broke apart 200
million years ago and
drifted slowly to their
current positions
Pangaea: large,
ancient landmass that
was composed of all
the continents joined
together
Fossil Clues:
Climate Clues:
Landform Clues:
Seafloor Spreading:
Hess’s theory that
new seafloor is
formed when magma
is forced upward
toward the surface at
a mid ocean ridge
Gradualist Theory:
Catastrophist
Theory:
Asteroid: a piece of
rock similar to the
material that formed
into planets
Comet :a mass that
travels through space
and is composed of
rock particles and
dust mixed with
frozen water,
methane, and
ammonia
Resources
Assessments
Understandings
SC-7-EU-U-5
Students will
understand that the
Earth’s layers vary
widely in their
properties, and
interactions between
them can manifest
themselves in ways
that impact both the
Earth and its
organisms.
SC-7-EU-U-6
Students will
understand that while
some changes to the
Earth occur without
warning, many
changes to the
surface or
atmosphere can be
predicted from
available
data/evidence.
Skills
Concepts
SC-7-EU-S-5
Students will model the
layers of the Earth,
explain interactions
between them and
describe potential results
of those interactions.
SC-7-EU-S-6
Students will investigate
the forces and processes
that change Earth’s
surface or atmosphere and
analyze data to generate
predictions of their
effects.
Core
Content
SC-07-2.3.2
Students will
explain the layers
of the Earth and
their interactions.
The use of
models/diagrams/
graphs helps
illustrate that the
Earth is layered.
The lithosphere is
the thin crust and
the upper part of
the mantle.
Lithospheric
plates move
slowly in
response to
movements in the
mantle. There is a
dense core at the
center of the
Earth.
DOK 2
Essential
Questions
How can layers
of the Earth be
modeled to
show processes
and interactions
that occur?
How does plate
movement
affect Earth’s
surface?
6
Level of
Mastery
Essential
Vocabulary
DOK 2
Crust: outermost
layer of the Earth
Mantle:
Outer Core:
Inner Core:
Lithosphere :rigid
layer of Earth about
100 km thick, made of
the crust and a part of
the upper mantle
Asthenosphere:
plastic like layer of
Earth on which the
lithospheric plates
float and move
around Convection
Current: current in
Earth’s mantle that
transfers heat in
Earth’s interior and is
the driving force for
plate tectonics
Plate Tectonics:
theory that Earth’s
crust and upper
mantle are broken
into plates that float
and move around on
the asthenosphere
Fault: surface along
which rocks move
when they pass their
elastic limit and break
Convergent
Boundary: two plates
move together
Divergent Boundary:
two plates that are
moving apart
Resources
Assessments
Understandings
Skills
Concepts
Core
Content
Essential
Questions
Level of
Mastery
Essential
Vocabulary
Transform
Boundary: where two
plates slide past one
another
Subduction: where
oceanic and
continental plates
collide, the oceanic
plate plunges beneath
the less dense
continental plate
Earthquake:
vibrations produced
when rocks break
along a fault
Epicenter: point on
Earth’s surface
directly above an
earthquake’s focus
Focus: he point
below Earth’s surface
where energy is
released in the form
of seismic waves
Primary Waves:(Pwaves)cause particles
in rocks to move back
and forth in the same
direction that the
wave is traveling
Secondary
Waves:(Swaves)move through
the Earth by causing
rocks to move at right
angles to the direction
of wave travel
Surface Waves:
move rock particles in
a backward, rolling
motion and a side-toside, swaying motiontravel outward from
the epicenter-cause
the most damage
7
Resources
Assessments