# SCIENCE Curriculum Grade 7 2011

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```							                                                          SCIENCE

The Nature of Science
Students gain scientific knowledge by observing the natural and constructed world, performing and evaluating
investigations and communicating their findings. The following principles should guide student work and be
integrated into the curriculum along with the content standards on a daily basis.

Standard 1: Physical Science
Core Standard: Explain that energy cannot be created or destroyed but instead can only be changed from one form into another or
transferred from place to place. (7.1.1, 7.1.2, 7.1.3, 7.1.4)
Core Standard: Describe and investigate how forces between objects can act at a distance or by means of direct contact between
objects (7.1.5, 7.1.6, 7.1.7)

SKILLS                              SUGGESTED ACTIVITIES                          ASSESSMENT
7.1.1   Explain that when energy is         Students will complete a lab that             Students will create their own activity that
transferred from one system to      demonstrates the law of conservation of       demonstrates the same principle.
another, the total quantity of      energy by examining how the potential
energy does not change.             energy of a ball of clay changes as the       Acuity/Benchmark Testing
kinetic energy changes.

7.1.2   Describe and give examples of       Students will observe a pot of boiling        Acuity/Benchmark Testing
how energy can be transferred       water which shows how thermal energy is
transformed from one form to        and conduction.
convection and conduction.          Students will draw pictures that illustrate
7.1.3   Recognize and explain how            Students will list                           Poster presentation
transforming and distributing        type.                                        Energy resources worksheet
environmental consequences.          their type of energy.                        Acuity/Benchmark Testing

7.1.4   Recognize and provide evidence of Students will create wave, sound, and           Students will write a lab report explaining
how light, sound and other waves  light show.                                     how the waves in their show were affected
have energy and how they interact                                                 by different materials.
with different materials.
Acuity/Benchmark Testing
7.1.5   Describe and investigate how         Using a given formula, students will         Students will compare and contrast the
forces between objects-such as       calculate the gravitational force each       different gravitational forces and tell why
magnetic, electrical or              planet exerts on Earth.                      each planet exerts a different amount of
gravitational forces-can act at a                                                 gravitational force.
distance or by means of direct
contact between objects.                                                          Acuity/Benchmark Testing

7.1.6   Explain that forces have             Students will view an online video that      Students will complete an activity guide
magnitude and direction and those    demonstrates buoyant force in                that accompanies the video.
forces can be added to determine     submarines, cruise ships, and fish.
the net force acting on an object.                                                Students will build their own roller coaster.
Students will build a roller coaster to
demonstrate speed, motion, force, and        Acuity/Benchmark Testing
gravity.

Students will create a computer simulation
of a roller coaster.
7.1.7   Demonstrate and describe how an      Students will build a roller coaster to    Students will build their own roller coaster.
object’s speed or direction of       demonstrate speed, motion, force, and
motion changes when a force acts     gravity.                                   Acuity/Benchmark Testing
upon it. Demonstrate and describe
that an object’s speed and direction Students will create a computer simulation
of motion remain unchanged if the of a roller coaster.
net force acting upon it is zero.
Standard 2: Earth and Space Science
Core Standard: Describe how earth processes have shaped the topography of the earth and have made it possible to measure
geological time.

SKILLS                                SUGGESTED ACTIVITIES                           ASSESSMENT
7.2.1   Describe how the earth is a layered   Students will draw and color a picture of      Students will take a quiz over the layers of
structure composed of lithospheric    the Earth and its layers.                      the Earth and the composition of each
plates, a mantle and a dense core.                                                   layer.

7.2.2   Recognize that the earth possesses    Students will participate in a compass         Acuity/Benchmark Testing
a magnetic field that is detectable   activity outdoors.
at the surface with a compass.                                                       Teacher-made test

7.2.3   Characterize the immensity of         Students will create a timeline that depicts   Acuity/Benchmark Testing
geologic time and recognize that it   significant scientific eras.
is measured in eras and epochs.                                                      Teacher-made test

7.2.4   Explain how convection currents       Students will conduct a lab on convection.     Using data obtained from the lab, students
in the mantle cause lithospheric                                                     will write a summary of their findings.
plates to move and cause fast
changes like earthquakes and                                                         Acuity/Benchmark Testing
volcanic eruptions and slow
changes like the creation
mountains and formation of new
ocean floor.
7.2.5   Describe the origin and physical      Students will complete an Internet activity   Students will “become” a sediment and
metamorphic and sedimentary                                                         different types of rock. The story may be a
rocks and how they are related        Students will view samples of each type       diary, a comic strip, or a children’s book.
through the rock cycle.               of rock.
Acuity/Benchmark Testing
Students will learn a song about the rock
cycle.

7.2.6   Describe physical and chemical        Students will collect and test soil samples   Acuity/Benchmark Testing
characteristics of soil layers and    in order to determine how the soil has
how they are influenced by the        been affected by bacteria, fungi, insects,    Teacher-made test
process of soil formation             and other organisms
(including the action of bacteria,
fungi, insects and other organisms.
7.2.7   Use geological features such as       Students will build, measure, and erode a     Students will use data and observations to
karst topography and glaciations to   model hillside using sand, pebbles, gravel,   write a lab report.
explain how large-scale physical      and water.
processes have shaped the land.                                                     Acuity/Benchmark Testing
Students will create a model of a glacier
and observe how it affects a surface.

7.2.8   Compare and contrast fossils with     Students will examine fossils to learn        Acuity/Benchmark Testing
living organisms in a given           about the prehistoric organisms and the
location to explain how earth         environment from which the organism           Teacher-made test
processes have changed                came.
environments over time.
Students will listen to a guest speaker, a
geologist from a local university.
Standard 3: Life Science
Core Standard: Understand the cellular structure of single-celled and multicellular organisms.

SKILLS                                 SUGGESTED ACTIVITIES                       ASSESSMENT
7.3.1   Explain that all living organisms      Students will create and label plant and   Students will create a Venn diagram
are composed of one cell or            animal cell diagrams.                      comparing and contrasting one-celled and
multiple cells and that the many       Students examine plant and animal cells    multicellular organisms.
functions needed to sustain life are   using a microscope and identify
carried out within cells.              similarities and differences.              Acuity/Benchmark Testing

7.3.2   Understand that water is a major       Students will watch a Bill Nye science     Student will complete a worksheet for this
component within all cells and is      video.                                     activity and will also write a summary of
required to carry out many cellular                                               their findings.
functions.                             Student will observe the processes of
osmosis and diffusion using an egg.        Acuity/Benchmark Testing

7.3.3   Explain that, although the way cells Body Battles!                                Students will write a short article
function is similar in all living                                                 explaining the function of red blood cells,
organisms, multicellular organisms Leukemia Activity                              white blood cells, and the immune system.
have specialized cells whose
specialized functions are directly                                                Acuity/Benchmark Testing
related to their structure.

7.3.4   Compare and contrast similarities      Students use microscopes to observe        Acuity/Benchmark Testing
and differences among specialized      different types of cells.
sub cellular components within                                                    Teacher-made test
plant and animal cells (including
organelles and cell walls that
perform essential functions and
give cells shape and structure).
7.3.5   Explain that cells in multicellular    Students observe how a seed changes and     Acuity/Benchmark Testing
organisms repeatedly divide to         grows into a mature plant.
make more cells for growth and                                                     Teacher-made test
repair.                                Students will create a 2D model of a
eukaryotic cell and compare and contrast
it with a prokaryotic cell.

7.3.6   Explain that after fertilization a     Students will create a flowchart that       Acuity/Benchmark Testing
small cluster of cells divides to      shows how living things are organized.
form the basic tissues of an embryo                                                Teacher-made test
and further develops into all the
specialized tissues and organs
within a multicellular organism.

7.3.7   Describe how various organs and        Students observe the specific organelles    Students will write a lab report based on
tissues serve the needs of cells for   involved in transport by placing a rib of   their findings.
nutrient and oxygen delivery and       wilted celery in water.
waste removal.                                                                     Acuity/Benchmark Testing
Standard 4: Science, Engineering and Technology
Core Standard: Design and construct a device that converts energy from one from to another to perform work.

SKILLS                                SUGGESTED ACTIVITIES                         ASSESSMENT
7.4.1   Understand that energy is the         Students will observe simple machines        Acuity/Benchmark Testing
capacity to do work.                  and relate structure to the ability of the
machine to do work.                          Teacher-made test

A local community resource will speak to

7.4.2   Explain that energy can be used to    Students will observe simple machines        Students will write a paragraph explaining
do work using many processes          and relate structure to the ability of the   how a simple machine does work.
(e.g., generation of electricity by   machine to do work.
harnessing wind energy).                                                           Acuity/Benchmark Testing
A local community resource will speak to

7.4.3   Explain that power is the rate that   Students will create a waterwheel and        Students will write a lab report based on
energy is converted from one form     measure the amount of work done.             their observations.
to another.
Students will watch a video on the Hoover Acuity/Benchmark Testing
Dam.

7.4.4   Explain that power systems are        Students will research how different         Acuity/Benchmark Testing
used to provide propulsion for        power systems are used for the propulsion
engineered products and systems.      of different products.                       Teacher-made test

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