Old Orchard Beach Learning Results/ 6-8

Science

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6-8 SCIENCE

CONTENT STANDARD

Students will develop an understanding of the laws, theories and processes of science.

Performance Indicators

Assessment Strategies

6-8 relate concepts learned in science to their everyday lives

• (6-8) identify ways in which the metric system is used in our lives

• (6) recognize that the traits of an individual are inherited from its biological parents

• (6) recognize that genetic technology has led to the development of varieties of plants and breeds of animals

• (6) recognize that various body systems interact with each other (i.e. nervous and endocrine systems)

• (6) recognize that reproduction is necessary for the survival of a species

• (6) recognize the consequences of drug abuse

• (7) recognize the value of immunization

• (7) reduce chances of contracting disease by improving hygiene practice

• (7) observe safety precautions during electrical storms

• (7) recognize contributions of selected scientists that impact our lives directly

• (8) recognize common acids and bases and their reactions

• (8) recognize personal responsibility for care of the environment

• (8) identify how local geology affects the lives of Mainers

• (8) identify the ways in which simple and compound machines are useful in our everyday lives

• (8) describe the importance of clean water to life and identify some human behaviors that affect water quality

6-8 identify science/technology related careers/job titles

• (6) identify chemist, meteorologist, geneticist, breeder

• (7) identify marine biologist, bacteriologist, physicist, nuclear physicist, electrical engineer

• (8) identify ecologist, botanist

6-8 describe relationships among forces, machines, and work

• (8) define equations relating force, distance, work, and power

• (8) solve word problems for work and power

• (8) identify the 6 simple machines

• (8) calculate the mechanical advantage of simple machines

• (8) identify friction as a force providing resistance

• (8) describe the effects of friction on the efficiency of a machine

• (8) identify the work input and output of a machine and calculate its efficiency

6-8 distinguish among different forms of energy

• (8) name and give examples of at least 8 forms of energy

• (8) describe the relationship between potential and kinetic energy

• (8) illustrate the relationship between potential and kinetic energy and identify Pmax and Kmax

6-8 explain some characteristics/uses of magnetism and electricity

• (7) explain causes of magnetism

• (7) diagram magnetic field interaction between 2 bar magnets

• (7) build and evaluate electromagnets

• (7) distinguish between conductors and insulators

• (7) explain why some liquids conduct electricity better than others

• (7) define current, resistance, and voltage and identify units used to measure them

• (7) state Ohm’s Law and solve for an unknown quantity

• (8) state the charge found on the electrons in atoms

6-8 distinguish among elements, compounds, and mixtures

• (6) recognize that elements are the building block for compounds

• (6-8) identify compounds as combinations of elements that are chemically joined

• (6-8) identify the elements in a given chemical formula

• (6-8) identify mixtures as combinations of materials not chemically joined

• (6) recognize that solutions are mixtures

• (6) distinguish between the solute and solvent in a solution

• (8) distinguish different types of mixtures (solutions, colloids, emulsions, and suspensions) from one another based on characteristics

• (8) define solute, solvent, and solution

• (8) identify examples of solutions, colloids, emulsions, and suspensions

• (8) define and distinguish among four types of chemical reactions (redox, synthesis, decomposition, replacement)

• (8) identify the type of reaction represented by a given equation and describe the changes that occurred

6-8 describe atomic structure

• (6) recognize that atoms contain protons, neutrons, and electrons

• (6) describe the basic model of an atom

• (7) build a model of an atom of a selected element

• (7) identify the 3 major subatomic particles including their charges and locations in the atom

• (7) describe the evolution of atomic models

• (7) determine the number of protons, neutrons, electrons, and energy levels for a given element using the Periodic Table

6-8 use the Periodic Table as a resource

• (6) recognize that elements are organized into groups (i.e. metals, gases)

• (6) recognize that elements are represented by symbols

• (6) identify the symbols for common elements

• (7) determine the number of protons, neutrons, electrons, and energy levels for a given element using the Periodic Table

• (7) classify elements as metals, non-metals, or metalloids

• (7) locate element symbols

• (7/8) use the Periodic Table to identify the family/group to which a specific element belongs and state the element’s general characteristics

• (8) use the Periodic Table to determine reactivity of substances in replacement reactions

6-8 recognize that substances undergo changes of state

• (6) identify 3 states of matter

• (6) identify freezing point and boiling point for water

• (6) define melting, freezing, evaporation, and condensation

• (7) describe freezing/boiling point for a substance

• (7) identify different phases of substances

• (7) explain "absolute zero" and state its number

6-8 identify geological features/processes of the earth

• (7) identify continental shelf, continental slope, and abyssal plains

• (8) identify 3 forms of rocks (igneous, sedimentary, metamorphic)

• (8) describe the rock cycle

• (8) identify rocks as mixtures of minerals

• (8) use the hardness scale and scratch test to identify minerals

• (8) identify the major layers of the earth and their characteristics

• (8) distinguish among convergent, divergent, and transverse faults

• (8) define diastrophism

• (8) define subduction and explain how it affects the spreading of the sea floor

6-8 describe types of weathering and erosion

• (8) compare the processes of weathering and erosion

• (8) identify the roles of weathering and erosion in the rock cycle

6-8 describe effects of gravity

• (6/8) distinguish between mass and weight

• (8) recognize that gravitational pull (and weight) vary with the distance between masses

6-8 distinguish among waves, tides, and currents

• (7) identify the parts of a wave

• (7) explain what happens to waves as they approach the shore

• (7) describe causes and directions of deep and surface currents

• (7) explain the influence of the sun and moon on the magnitude of earth’s tides

• (7) identify the cause of tsunamis

6-8 explain the water cycle and water sources

• (8) explain the water cycle

• (8) define ground water, aquifer

• (8) describe water’s unique characteristics that make it necessary for life

• (8) identify some human behaviors that affect water sources

6-8 identify factors that determine weather and climate

• (6) describe how the position of the earth, relative to the sun, causes seasons

• (6) identify the role of the water cycle in climate patterns

• (6) recognize the causes of winds

• (6) identify 3 main types of clouds

• (6) identify the 4 types of precipitation

• (6) describe characteristics of thunderstorms, hurricanes, and tornadoes

• (8) describe how climate differs from weather and relate this to major biomes

6-8 identify living and non-living components of different ecosystems

• (6) identify major biomes

• (6) identify major characteristics of biomes

• (6) identify food webs in given biomes

• (7) describe zonation of living things in the ocean

• (7) construct a food web for the ocean off the coast of Maine

• (7) explain how organisms have adapted to salinity, light, temperature, and pressure in their environments

• (8) given a group of conditions (biotic and abiotic), explain food web/energy pyramid

• (8) explain the functions of saprophytes in the environment

• (8) describe the water cycle and its effects on living/non-living components in ecosystems

• (8) summarize the basic characteristics of plants and their place in the energy pyramid

• (8) summarize the abiotic factors that affect the success of organisms

6-8 describe/identify common plants, animals, and relationships within ecosystems

• (7) identify common organisms in the intertidal zone

• (8) define saprophytes

6-8 compare life cycles, structures, and behaviors of different organisms

• (7) describe lifestyles of marine organisms (plankton, nekton, benthos)

• (8) name the 5 kingdoms, identify the defining characteristics and give examples of each kingdom

• (8) define characteristics of chordates and vertebrates

• (8) identify animals classified as vertebrates

• (8) identify major plant groups based on structural and reproductive characteristics

• (8) describe the evolution of plant structure

6-8 describe structures and functions of plant and animal cells

• (6) recognize that all living things are composed of at least one cell

• (6) identify the nucleus as the control center of a cell

• (6) recognize that cells [continually] divide to make more cells for growth and repair

• (7) explain diffusion, osmosis, and active transport

• (7-8) identify major cell organelles and describe their functions

• (7-8) explain how the processes of mitosis and meiosis are used by the cell

• (7-8) summarize the fundamental differences between plant and animal cells

• (8) explain cell theory (history and major tenets)

• (8) compare asexual and sexual reproduction

6-8 describe structures and functions of some body systems

• (6) identify parts and functions of the nervous system

• (6) identify major glands of the endocrine system

• (6-7) identify structures and functions of male and female reproductive systems

• (7) describe changes that occur during puberty

• (7) label major tissues of immune system

• (7) explain how viruses attack the body

• (7) describe an immune response

• (7) explain what happens in an autoimmune disorder

• (8) name and describe the major body systems (as they relate to the evolution of basic body structure)

6-8 explain the influence of heredity, lifestyle, and the environment on the body systems

• (6) identify common effects of drugs on the body

• (6) identify common causes of mutations

• (6) recognize that the traits of an individual are inherited from its biological parents

• (6) recognize that some behavior patterns are inherited while other behavior patterns are learned

• (8) research a specific genetic disorder and describe how it affects an individual’s life

• (8) discuss (based on class research) the individual and social effects of various genetic issues (i.e. selective breeding, cloning, mutations)

• (8) understand that certain lifestyle choices can cause genetic mutations

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6-8 SCIENCE

CONTENT STANDARD

Students will employ critical thinking while conducting scientific inquiry, clearly communicating ideas and making informed decisions.

Performance Indicators

Assessment Strategies

6-8 use multiple resources to gather information

• (6) research a given topic using at least 3 different types of sources

• (7) research physical, psychological and social impact of the user/abuser of a specific illegal substance

• (8) complete 2 comprehensive research projects that employ the Internet, periodicals, books, and mass media (TV/video/newspaper)

to find information

• (8) use various resources, other than textbooks, to complete assignments

6-8 design and execute a controlled experiment

• (6-8) complete lab activities which determine the hypothesis and design (materials and methods) of an experiment

• (6-8) collect and analyze data from lab activities

• (6-8) formulate conclusions from lab activities

• (6-8) review experimental process and describe what worked well and what didn’t

6-8 identify the factors that influence the validity of a conclusion

• (6) recognize that a valid experiment has only one variable

• (7) critique peers’ experimental procedure

• (7) critique results of peers’ experiments

• (8) identify factors that might affect the data/outcome of an experiment and describe how the experiment might be affected

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6-8 SCIENCE

CONTENT STANDARD

Students will use appropriate tools, equipment and instruments.

Performance Indicators

Assessment Strategies

6-8 follow safety procedures and precautions

• (6-8) demonstrate proper handling of equipment

• (6-8) name and explain use of safety equipment

• (6-8) wear safety glasses when appropriate

• (6-8) observe location of safety equipment including eye wash, fire blanket, fire extinguisher, exits

• (6-8) discuss and observe all safety precautions necessary to an activity

• (6-8) exhibit appropriate and safe behavior/attitude while conducting experiments

• (6-8) explain steps to follow in case of an accident during an experiment

6-8 determine quantities and/or properties of materials through the use of measurement devices, techniques, and/or calculations

• (6-8) determine appropriate tool and/or unit of measurement to use for collecting data

• (6-8) use metric measurement

• (6) calculate volume of liquids, mass, distance, force, pH, weight

• (7) calculate volume of solids (regular and irregular], density, cell identification

• (8) calculate mechanical advantage, efficiency of machines

6-8 create and/or interpret maps, charts, and graphs

• (6-8) collect data, create and interpret graphs and charts using multiple forms of information

• (7-8) use data to generate graphs and charts and interprets them to form conclusions

6-8 demonstrate safe and correct use of measuring devices/indicators such as the following:

• (6) triple-beam balance, litmus paper, pH paper, liquid pH indicators, trundle wheel

• (8) PTC paper, pH meter (?)

• (9) dial thermometer, protractor (?)

[CPLS & LS II] — IKI, Benedict’s solution

[HS IV — BIO] clinometer, hypsometer

6-8 demonstrate safe and correct use of scientific tools and equipment such as the following:

• (6) hot plate

• (7) microscope, van de Graf generator, laboratory equipment (i.e. ring stands)

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