Science Core Learning Goals

 

 
Goal 1

Skills and Processes:

The student will demonstrate ways of thinking and acting inherent in the practice of science. The student will use the language and instruments of science to collect, organize, interpret, calculate, and communicate information.

Goal 2

Concepts of Earth/Space Science:

The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) to explain the physical behavior of the environment, earth, and the universe.

Goal 3

Concepts of Biology:

The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) and major biological concepts to explain the uniqueness and interdependence of living organisms, their interactions with the environment, and the continuation of life on earth.

Goal 4

Concepts of Chemistry:

The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) to explain composition and interactions of matter in the world in which we live.

Goal 5

Concepts of Physics:

The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) to explain and predict the outcome of certain interactions which occur between matter and energy.

1. Expectation: The student will explain why curiosity, honesty, openness, and skepticism are highly regarded in science.

a. Indicators:

The student will:

• recognize that real problems have more than one solution and decisions to accept one solution over another are made on the basis of many issues.

• modify or affirm scientific ideas according to accumulated evidence.

• critique arguments that are based on faulty, misleading data or on the incomplete use of numbers.

• recognize data that are biased.

2. Expectation: The student will pose scientific questions and suggest experimental approaches to provide answers to questions.

a. Indicators:

The student will:

• identify and pose meaningful answerable scientific questions.

• formulate and test a working hypothesis.

• select appropriate instruments and materials to conduct an experiment.

• write clear, step-by-step instructions for conducting investigations or following a procedure.

• use relationships discovered in the lab to explain phenomena observed outside the laboratory.

• defend the need for verifiable data.

3. Expectation: The student will carry out scientific investigations effectively and employ the instruments, systems of measurement, and materials of science appropriately.

a. Indicators:

The student will:

• develop skills in using lab and field equipment to perform investigative techniques.

• demonstrate safe handling of the chemicals and materials of science.

• learn the use of new instruments and equipment by following instructions in a manual or from oral direction.

4. Expectation: The student will demonstrate that data analysis is a vital aspect of the process of scientific inquiry and communication.

a. Indicators:

The student will:

• use analyzed data to evaluate an hypothesis.

• compare data for two groups by representing their distribution graphically.

• determine the relationships between quantities and develop the mathematical model that describes these relationships.

• check graphs to determine that they do not misrepresent results by using inappropriate scales or by failing to specify the axis clearly.

• choose appropriate summary statistics to describe tendencies revealed by data.

• use spreadsheet, graphing, and database programs and probeware on computers and/or graphing calculators.

• determine the sources of error when a disparity exists between an experimental or estimated value and a calculated answer.

• use models and computer simulations to represent systems.

5. Expectation: The student will use appropriate methods for communicating in writing and orally the processes and results of scientific investigation.

a. Indicators:

The student will:

• demonstrate the ability to summarize data, investigative results, scientific concepts, and processes through drawing, written, and/or oral communication.

• use tables, graphs, and charts to display data in making arguments and claims in both written and oral communication.

• create and interpret scale drawings.

• use computers and/or graphing calculators to produce tables, graphs, and spreadsheet calculations.

• read a technical report and interpret it appropriately.

6. Expectation: The student will use mathematical processes.

a. Indicators:

The student will:

• use ratio and proportion in appropriate situations to solve problems.

• express and compare small and large quantities using scientific notation and relative order of magnitude.

• manipulate quantities and/or numerical values in algebraic equations.

• judge the reasonableness of an answer.

7. Expectation: The student will show that connections exist both within the various fields of science and among science and other disciples including mathematics, social studies, language arts, fine arts, and technology.

a. Indicators:

The student will:

• apply the concepts of biology, chemistry, physics, and earth science to environmental issues.

• identify and evaluate the impact of scientific findings on the evolution of society.

• describe the role of science in the development of literature, art, music, etc.

• recognize mathematics as part of the scientific endeavor, comprehend the nature of mathematical thinking, and become familiar with key mathematical ideas and skills.

• investigate career possibilities in the various area of science.

1. Expectation: The student will use a variety of resources to identify techniques used to investigate Earth and the Universe.

a. Indicators:

The student will:

• describe current efforts and technologies used to study the atmosphere, land, and oceans of Earth. At least:

- remote sensing from space
- undersea exploration - seismology
- weather data collection

• describe current efforts and technologies used to study the universe. At least

- optical telescopes
- radio telescopes
- spectroscopes
- satellites
- space probes
- manned missions

2. Expectation: The student will describe and apply the concept of natural forces in the study of Earth/Space Science.

a. Indicators:

The student will:

• explain the role of natural forces in the universe. At least:

- formation of planets
- orbital mechanics
- stellar evolution

• explain the role of natural forces on Earth. At least:

- retention of an atmosphere
- an agent of erosion and deposition
- tides and deep ocean currents

3. Expectation: The student will explain how the transfer of energy affects weather and climate.

a. Indicators:

The student will:

• describe heat transfer systems affecting the atmosphere, land, and oceans. At least:

- convection
- conduction
-radiation from space and from within earth

• investigate meteorological phenomena. At least:

- hurricanes
- tornadoes
- floods
- thunderstorms
- blizzards

• research topics of current concern with regard to climate. At least:

- greenhouse effect
- global warming (or cooling)
- ocean currents

4. Expectation: The student will describe Earth's surface and the theory of plate tectonics and explain the dynamic nature of Earth's crust.

a. Indicators:

The student will:

• describe the structure of Earth. At least:

- inner core
- outer core
- mantle
- lithosphere
- crust and upper mantle

• identify common rock forming mineral groups using a key and the properties of minerals. At least:

- hardness
- luster
- specific gravity
- streak
- color
- cleavage

• use texture and composition to describe various types of rocks. At least:

- igneous
- sedimentary
- metamorphic

• apply the law of conservation to the processes that affect rocks and minerals. At least:

- metamorphism
- weathering
- erosion
- deposition
- melting
- crystallization

• explain the dynamic activity of the earth. At least:

- plate tectonics
- sea floor spreading
- faulting
- earthquakes
- volcanoes

5. Expectation: The student will know how to connect prior understanding and new experiences to evaluate natural cycles.

a. Indicators:

The student will:

• investigate various physical cycles found in the natural world. At least:

- rock cycle
- water cycle
- tides
- lunar phases
- eclipses
- seasons

• analyze the effects of natural cycles on human activity. At least:

- weathering
- erosion and deposition
- agriculture
- aquaculture

6. Expectation: The student will investigate how the political climate affects the development of a scientific theory or model.

a. Indicators:

The student will:

• research the various planetary models. At least:

- Ptolemy
- Copernicus
- Kepler
- Galileo

• research the change in belief in the age of the earth. At least:

- fossil record
- rock layers
- radioactive dating
- Big Bang theory

7. Expectation: The student will know how to use measurements of different orders of magnitude to construct an earth science model.

a. Indicators:

The student will:

• create a geologic time scale including eras, periods, epochs. At least:

- analogies
- ratios
- scale drawings
- powers of ten

• construct a model to show human's place in the time continuum.

• demonstrate the relative sizes and distances of planets in the solar system.

8. Expectation: The student will know how to investigate an earth science issue to develop an action plan.

a. Indicators:

The student will:

• investigate an issue such as climatic changes or electric power generation.

• identify data that are biased.

• use tables, charts, and graphs in making oral and written presentations.

• know why curiosity, honesty, openness, and skepticism are highly regarded in science.

• understand that real problems have more than one solution, and the decisions to accept one solution over another are made on the basis of many issues.

1. Expectation: The student will be able to explain the correlation between the structure and function of biologically important molecules and their relationship to cell processes.

a. Indicators:

The student will be able to:

• describe the unique characteristics of chemical compounds and macromolecules utilized by living systems. At least:

- water
- carbohydrates
- lipids
- proteins
- nucleic acids
- minerals
- vitamins

• discuss factors involved in the regulation of chemical activity as part of a homeostatic mechanism. At least:

- osmotic pressure
- temperature
- pH
- enzyme regulation

• compare the transfer and use of matter and energy in photosynthetic and non-photosynthetic organisms. At least:

Matter Energy

- water cycle - photosynthesis
- carbon dioxide cycle - cellular respiration
- nitrogen cycle - chemosynthesis

2. Expectation: The student will demonstrate an understanding that all organisms are composed of cells which can function independently or as part of multicellular organisms.

a. Indicators:

The student will:

• examine structures of cellular and multicellular organisms and explain their function in maintaining life. At least:

- transportation of materials
- capture and release of energy
- protein synthesis
- waste disposal
- feedback
- movement
- asexual (mitosis), sexual
- storage of genetic material

• conclude that cells exist within a narrow range of environmental conditions and changes to that environment, either naturally occurring or induces, may cause death of the cell or organism. At least:

- pH
- temperature
- light
- water
- oxygen
- carbon dioxide
- radiation
- toxins

3. Expectation: The student will analyze how traits are inherited and passed on from one generation to another.

a. Indicators:

The student will:

• demonstrate that the sorting and recombination of genes during sexual reproduction has an effect on variation in offspring. At least:

- meiosis
- fertilization
- genotypes
- punnett square
- monohybrid cross

• illustrate and explain how expressed traits are passed from parent to offspring. At least:

- phenotypes
- dominant and recessive traits

• explain how a genetic trait is determined by the code in a DNA molecule. At least:

- definition of gene
- structure of DNA (sugar, phosphate, and nitrogen

bases)

- sequence of bases directing protein formation
- proteins' control of traits

• interpret how the effect of gene alteration through natural or technological advances may have beneficial or harmful effects on the individual, society, and/or the environment. At least:

- mutations
- chromosome number
- cloning
- genetic recombination

4. Expectation: The student will explain the mechanism of evolutionary change.

a. Indicators:

The student will:

• explain how new traits may result from new combinations of existing genes or from mutations of genes in reproductive cells.

- natural selection
- adaptations
- variation

• estimate degrees of kinship among organisms or species.

- classification
- anatomical similarities
- similarities of DNA sequence

5. Expectation: The student will investigate the interdependence of diverse living organisms and their interactions with the components of the biosphere.

a. Indicators:

The student will:

• formulate the relationships between biotic diversity and abiotic factors in environments and the resulting influence on ecosystems. At least:

Abiotic/Biotic Factors Relationships

- space
- producer
- consumer
- soil
- predator
- prey
- water
- parasite
- host
- oxygen
- mutualism
- temperature
- scavenger
- decomposer
- food
- predation
- symbiosis
- light
- food web
- plants
- omnivores
- animals
- herbivores
- carnivores

• analyze the five kingdoms to identify the differences in an organism's structure, function, and energy relationships that provide variations which increase the likelihood of survival of the species under changed conditions. At least:

- variation
- natural selection
- succession

• investigate how natural and man-made changes in environmental conditions will affect individual organisms and the dynamics of populations. At least:

- depletion of food
- destruction of habitats
- disease
- natural disasters
- pollution
- population increase
- urbanization

• illustrate that all organisms are part of and depend on two major global food webs that are positively or negatively influenced by human activity and technology. At least:

- oceanic food web
- terrestrial food web

6. Expectation: The student will investigate a biological issue and develop an action plan.

a. Indicators:

The student will:

• analyze the consequences and/or trade-offs between technological changes and their effect on the individual society and the environment. They may select topics such as bioethics, genetic engineering, endangered species, food supply.

• investigate a biological issue and be able to defend their position on topics such as animal rights, drug and alcohol abuse, viral diseases (e.g., AIDS), genetic engineering, bioethics, biodiversity, population growth, global sustainability, origin of life.

1. Expectation: The student will explain how the observation of the properties of matter forms the basis for understanding its structure and changes in its structure.

a. Indicators:

The student will:

• select and use appropriate devices to measure directly or indirectly the length, mass, volume, or temperature of a substance. At least:

- centigram balances
- graduated cylinders and pipettes
- metric rulers
- thermometers and temperature probes

• gather and interpret data related to physical and chemical properties of matter such as density and percent composition. At least:

- constructing data tables
- graphing linear relationship
- appropriate technology to analyze data

• demonstrate how matter may be identified and classified in various ways based upon common properties. At least:

- states of mater
- elements, compounds, mixtures, solutions
- metals/nonmetals

2. Expectation: The student will explain that all matter has structure and the structure serves as the basis for the properties of and the changes in matter.

a. Indicators:

The student will:

• illustrate the structure of the atom and describe the characteristics of the particles found there. At least:

- protons, neutrons, and electrons
- nucleus

• demonstrate that the arrangement and number of electrons determine the properties of an element and that these properties repeat in a periodic manner illustrated by their arrangement in the periodic table. At least:

- atomic number
- mass number
- valence electrons
- chemical properties/families

• explain how atoms with other atoms through the transfer and sharing of electrons in the formation of chemical bonds. At least:

- characteristics of a neutral atom
- formation of ions
- ionic bonding
- covalent bonding

• distinguish among metallic, tonic, and covalent solids in terms of observable properties. At least:

- solubility
- melting point
- boiling point
- conductivity

• summarize that the properties of a molecule are determined by the number and types of atoms it contains and how they are arranged. At least:

- determine the types and numbers of atoms represented by a given formula
- polar and nonpolar molecules

• explain why organic compounds have such diverse properties and give examples of how they have had an impact on society. At least:

- unique characteristics of carbon (tetrahedral structure)
- fuels and plastics

3. Expectation: The student will analyze how the basic laws of thermodynamics apply to phase and chemical, and nuclear changes, and why accounting for all the energy associated with change is difficult.

a. Indicators:

The student will:

• illustrate that heat energy in a material consists of the ordered and disordered motions of its colliding particles. At least:

- phase changes

• explain why the interactions among particles involve a change in the energy system. At least:

- exothermic change
- endothermic change
- specific heat

• conclude that the conservation of mass and energy holds true for all system, and that the total amount of energy in any closed system remains constant. At least:

- total amount of energy in any closed system

remains constant

• describe the observed changes in pressure, volume, or temperature of a sample of gas in terms of the behavior of particles. At least:

- matter is made of small particles
- particles are in constant motion
- the collisions among particles are elastic collisions

4. Expectation: The student will explain and demonstrate that matter undergoes transformations in such a way that the products have properties that are very different from those of the starting materials.

a. Indicators:

The student will:

• illustrate that substances can be represented by formulas. At least:

- know that symbols are used to represent elements
- identify the atomic mass of the element
- write formulas for compounds given the name of the compound
- name binary compounds given the formula
- calculate the molecular weight of a compound

given the periodic table

• show that chemical reactions can be represented by symbolic or word equations that specify all reactants and products involved.

• use the law of conservation of mass and energy to balance simple equations. At least:

- use appropriate coefficients to balance a given

symbolic equation

• classify chemical reactions into general types based on the nature of the observed changes. At least:

- synthesis and decomposition
- combustion
- single and double displacement

• demonstrate that adjusting quantities of reactants will affect the amounts of products formed. At least:

- use the coefficients of a balanced equation to

predict amounts of reactants and products

• describe a neutralization reaction. At least:

- properties of acids and bases
- characteristics of weak and strong acids and bases
- characteristics of salts
- indictors
- pH scale

5. Expectation: The student will investigate the impact of Chemistry on society.

a. Indicators:

The student will:

• investigate an issue such as hazardous waste disposal, the role of food additives, and the substitution of synthetic products for natural products.

• conclude that the starting materials of the chemical industry such as petroleum, are limited resources and decisions must be made about their wise consumption.

• recognize data that are biased.

• recognize that real problems have more than one solution and decisions to accept one solution over another are made on the basis of many issues.

• use tables, graphs, and charts to display data in making arguments and claims in both written and oral communication.

6. Expectation: The student will show that connections exist both within the various field of science and among science and other disciplines including mathematics, social studies, language arts, fine arts, and technology.

a. Indicators:

The student will:

• apply chemistry to the concepts of biology, physics, earth science, and environmental science.

• recognize mathematics as part of the scientific endeavor, comprehend the nature of mathematical thinking, and become familiar with key mathematical ideas and skills.

• investigate the role of chemistry in all areas of human endeavor and achievement.

1. Expectation: The student will know and apply the laws of mechanics to explain the behavior of the physical world.

a. Indicators:

The student will:

• use analytical techniques appropriate to the study of physics. At least:

- symbolically representing vector quantities
- using signs to present directions
- selecting and using appropriate equipment for measuring and investigating
- using appropriate units and applying dimensional analysis
- manipulating equations

• use algebraic and geometric concepts to describe an object's motion. At least:

- direction
- position
- distance/displacement
- speed/velocity
- motion with a constant acceleration
- one and two dimensional motion
- frames of reference

• analyze and explain how changes in an object's motion are described by Newton's Laws. At least:

- balanced/unbalanced forces
- inertia
- acceleration, force, and mass
- action/reaction

• analyze the behavior of forces. At least:

- recognize the four forces of nature
- comparison of relative magnitude
- inverse square nature of gravitational and electromagnetic forces
- relation to work and energy

• analyze systems with regard to the conservation laws. At least:

- conservation of momentum
- conservation of energy

2. Expectation: The student will know and apply the laws of electricity and magnetism and explain their significant role in nature and technology.

a. Indicators:

The student will:

• describe the types of electric charges and the forces that exist between them. At least:

- magnitude
- sign
- Coulomb's Law

• describe the sources and effects of electric and magnetic fields. At least:

- static charge
- moving charges
- simple circuits
- permanent magnets

• describe how different kinds of materials respond to electric and magnetic fields. At least:

- conductors
- insulators
- semiconductors
- magnetic materials

• explain the principle of electromagnetic induction and its applications. At least:

- motors
- generators

3. Expectation: The student will recognize and relate the laws of thermodynamics to practical applications.

a. Indicators:

The student will:

• relate thermodynamics to the balance of energy in a system. At least:

- heat transfer
- thermal equilibrium
- entropy

4. Expectation: The student will explain and demonstrate how vibrations and waves provide a model for our understanding of various physical phenomena.

a. Indicators:

The student will:

• describe and demonstrate how waves can be used to transmit energy. At least:

- physical
- electromagnetic

• compare the propagation of mechanical waves. At lest:

- longitudinal
- transverse

• describe and mathematically calculate wave characteristics. At least:

- wavelength
- frequency/period
- velocity
- amplitude

• describe and demonstrate the general behavior of waves. At least:

- reflection
- refraction
- diffraction
- superposition
- interference
- Doppler effect

5. Expectation: The student will relate the limitations of classical physics to the development of modern physics theories.

a. Indicators:

The student will:

• cite evidence of the quantum nature of matter and its applications. At least:

- energy of light waves
- photoelectric effect
- wave/particle duality
- applications (MRI, semiconductors, etc.)

• explain the processes associated with atomic energy and its applications. At least:

- atomic energy
- radioactive decay
- fission
- fusion

6. Expectation: The student will investigate the impact of Physics on society.

a. Indicators:

The student will:

• investigate a social issue related to physics such as alternate energy sources, fiber optics in telecommunications, nuclear power, microwave technology, effect of power lines, etc.

• recognize data that are biased.

• recognize that real problems have more than one solution and decisions to accept one solution over another are made on the basis of many issues.

• use tables, graphs, and charts to display data in making arguments and claims in both written and oral communication.

7. Expectation: The student will show that connections exist both within the various fields of science and among science and other disciplines including mathematics, social studies, language arts, fine arts, and technology.

a. Indicators:

The student will:

• apply physics to the concepts of biology, chemistry, earth science, and environmental science.

• recognize the important role that mathematics serves when solving problems in physics.

• investigated the role of physics in all areas of human endeavor and achievement.

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This site was developed by the Department of Staff Development, in collaboration with the Division of Instruction. Questions, comments, and other inquiries may be addressed to Allene Chriest (achriest@pgcps.org) or Jeff Maher  (jmaher@pgcps.org).