Grade
7/8 NGSS-based Revised Curriculum
GRADE 7: LIFE AND
PHYSICAL SCIENCES
The Nature of Science
1. Describe and practice the Scientific
Method.
2. Measure Mass, Volume, Density and
Temperature.
3. Make accurate observations using
appropriate tools and units of measure.
Physical Science
1. Identify elements, compounds and
molecules.
2. Explain and give examples of matter.
3. Define solid, liquid, and gas.
4. Predict and describe changes in particle
motion, temperature, and state of a pure substance when
thermal energy is added or removed.
5. Recognize elements and their
symbols.
6. Use models to describe the
structure of atoms and molecules.
7. Identify chemical and physical
changes.
8. Analyze data to determine if a
chemical reaction has taken place.
9. Develop and use a model to describe
how the total number of atoms does not change in a chemical
reaction and thus mass is conserved.
10. Describe the different forms of energy.
11. Explain the conservation of energy theory.
12. Differentiate between potential and kinetic
energy.
13. Describe the relationships of kinetic energy
to the mass of an object and to the speed of an object.
14. Describe that when the arrangement of objects
interacting at a distance changes, different amounts of
potential energy are stored in the system.
15. Present arguments to support the claim that
when the kinetic energy of an object changes, energy is
transferred to or from the object.
16. Define force.
17. Define gravity.
18. Differentiate between weight and mass.
19. Describe the motion of objects using knowledge
of Newton’s laws.
20. Ask questions about data to determine the
factors that affect the strength of electric and magnetic
forces.
21. Provide evidence that fields exist between
objects exerting forces on each other even though the objects
are not in contact.
22. Describe a simple model for waves that
includes how the amplitude of a wave is related to the energy
in a wave.
23. Describe that waves are reflected, absorbed,
or transmitted through various materials
Life Science
1. Describe examples of populations, habitats, niches,
and ecosystems.
2. Describe commensalism, mutualism and parasitism.
3. Construct a scientific explanation based on evidence
for the role of photosynthesis in the cycling of matter and
flow of energy into and out of organisms.
4. Describe the cycling of matter and flow of
energy among living and nonliving parts of an ecosystem.
5. Be able to compare food chains and food webs.
6. Identify energy roles-producers, consumers, and
decomposers.
7. predict patterns of interactions among
organisms across multiple ecosystems.
8. Explain that changes to physical or biological
components of an ecosystem affect populations.
9. Describe how genetic variations of traits in a
population increase some individuals’ probability of surviving
and reproducing in a specific environment.
10. Gather and synthesize information about the
technologies that have changed the way humans influence the
inheritance of desired traits in organisms.
11. Explain how natural selection may lead
to increases and decreases of specific traits in populations
over time.
12. Describe structural and behavioral
adaptations that allow organisms to survive in a changing
environment.
13. Provide evidence for the effects of
resource availability on organisms and populations of
organisms in an ecosystem.
GRADE 8 EARTH
SCIENCES
Astronomy
1.Construct and present arguments using evidence to support
the claim that gravitational interactions are attractive and
depend on the masses of interacting
objects.
2. Describe the role of gravity in the motions within galaxies
and the solar system.
3. Compare and contrast the three types of galaxies.
4. Describe the composition of an average galaxy.
5. Describe the movements of stars and galaxies.
6.Describe the life cycle of a star.
7. Discuss our sun in terms of its stage in the stellar life
cycle.
8. Describe the diversity of objects in the universe.
9. Determine scale properties of objects in the solar system.
10. Note characteristics of inner and outer planets.
11.Draw or label a diagram of the sun’s structure.
12.Describe features of the sun.
13.Describe and identify features of the moon.
14Identify the various phases of the moon.
15.Explain why eclipses occur.
16.Explain why tides occur.
17.Explain why seasons occur.
18.Describe a comet.
19.Describe an asteroid.
20.Describe a meteor/meteoroid/meteorite.
Geology
1. Compare and contrast sedimentary, igneous and metamorphic
rocks.
2. Explain how the rock cycle changes the earth’s surface.
3. Construct a scientific explanation based on evidence for
how the uneven distributions of Earth's mineral, energy, and
groundwater resources are the result of past and current
geoscience processes.
4. List the 4 major layers of the Earth.
5.Compare and contrast the following for each of the 4 major
layers of the Earth: Size; composition; and, state of
matter
6. Describe how the earth would have looked 220 million years
ago.
7. Describe the driving mechanism for tectonics.
8. Analyze and interpret data on the distribution of fossils
and rocks, continental shapes, and seafloor structures to
provide evidence of the past plate motions.
9. Construct a scientific explanation based on evidence from
rock strata for how the geologic time scale is used to
organize Earth's 4.6-billion-year-old history.
10. Construct an explanation based on evidence for how
geoscience processes have changed Earth's surface at varying
time and spatial scales.
11. Analyze and interpret data on natural hazards to forecast
future catastrophic events and inform the development of
technologies to mitigate their effects.
12.Describe the causes of an earthquake.
13.Compare and contrast the various types of volcanoes.
14.Describe the causes of volcanism.
15. Document the existence, diversity, extinction, and change
of life forms throughout the history of life on Earth under
the assumption that natural laws operate
today as in the past.
16. explain that the anatomical similarities and differences
among modern organisms and between modern and fossil organisms
to infer evolutionary relationships.
Oceanography/Hydrology
1. Describe the hydrologic cycle.
2. Describe how glaciers shape the land.
3. Develop a model to describe the cycling of water through
Earth's systems driven by energy from the sun and the force of
gravity.
4. Describe the composition of ocean water.
5.Compare and contrast the three major life zones of the ocean
shore.
6. Describe the physical structure of the edges of the
continents.
7. Describe the structure of the ocean floor.
8. Describe currents and waves and their effect on the
environment.
9. Describe food chain relationships in the ocean. (focus on
phytoplankton and oxygen production.)
10. Evaluate competing design solutions for maintaining
biodiversity and ecosystem services.
11. Apply scientific principles to design a method for
monitoring and minimizing a human impact on the environment.*
12. Construct an argument supported by evidence for how
increases in human population and per- capital consumption of
natural resources impact Earth's systems.
Meteorology
1. Compare and contrast the past and present atmosphere of
earth.
2. Describe the composition of today’s atmosphere.
3. Sketch or describe the oxygen, nitrogen and carbon dioxide
cycles.
4. Describe the characteristics of the major layers of the
earth’s atmosphere.
5. Describe how the greenhouse effect affects the earth.
7. Describe the cause of air pressure.
8. Describe the various types of local wind systems.
9. Locate the position of typical global wind systems on the
earth.
10.Define precipitation.
11.Describe the characteristics of the three major types of
fronts.
12.Describe the cause of rainstorms and snowstorms.
13.Describe the conditions that lead to severe weather.
14.Describe a hurricane.
15.Describe a tornado.
16.Identify areas of the US that are likely to experience a
tornado or a hurricane.
17. Collect data to provide evidence for how the motions and
complex interactions of air masses results in changes in
weather conditions.
18. Develop and use a model to describe how unequal heating
and rotation of the Earth cause patterns of atmospheric and
oceanic circulation that determine
regional climates
20. Ask questions to clarify evidence of the factors that have
caused the rise in global temperatures over the past century.