Arkansas State Standards for Science: Grade 8
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AR.1. Nature of Science: Characteristics and Processes of Science: Students shall demonstrate and apply knowledge of the characteristics and processes of science using appropriate safety procedures, equipment, and technology
NS.1.8.1.
Processes of Science: Justify conclusions based on appropriate and unbiased observations
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.1.
NS.1.8.2.
Processes of Science: Evaluate the merits of empirical evidence based on experimental design: hypothesis, replication, sample size, appropriate use of control, use of standardized independent and dependent variables
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.2.
NS.1.8.3.
Processes of Science: Formulate a testable problem using experimental design
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.3.
NS.1.8.4.
Processes of Science: Analyze a set of scientific data using mean, median, mode, and range using SI units
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.4.
NS.1.8.5.
Processes of Science: Suggest solutions to real world problems by analyzing scientific data in data tables/charts, histograms, circle graphs, scatter plots, stem and leaf plots, line and double line, graphs by approximating line of best fit
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.5.
NS.1.8.6.
Processes of Science: Formulate inferences based on scientific data
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.6.
NS.1.8.7.
Processes of Science: Communicate results and conclusions from scientific inquiry following peer review
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.7.
NS.1.8.8.
Processes of Science: Develop and implement strategies for long-term, accurate data collection
2
Suggested Titles for Arkansas
Science State
Standard NS.1.8.8.
NS.1.8.9.
Characteristics of Science: Generate questions that can and cannot be answered by science
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.9.
NS.1.8.10.
Characteristics of Science: Explain the role of peer review, evidence, and modification in the development of a theory
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.10.
NS.1.8.11.
Characteristics of Science: Evaluate the merit of hypotheses, laws, and theories
3
Suggested Titles for Arkansas
Science State
Standard NS.1.8.11.
AR.2. Life Science: Living Systems: Characteristics, Structure, and Function: Students shall demonstrate and apply knowledge of living systems using appropriate safety procedures, equipment, and technology
LS.2.8.1.
Structure and Function: Illustrate the hierarchical relationships of cells, tissues, organs, organ systems, and organisms
30
Suggested Titles for Arkansas
Science State
Standard LS.2.8.1.
LS.2.8.2.
Structure and Function: Identify different types of single-celled organisms: protists, bacteria
21
Suggested Titles for Arkansas
Science State
Standard LS.2.8.2.
LS.2.8.3.
Structure and Function: Relate the effect of bacteria on oral health
47
Suggested Titles for Arkansas
Science State
Standard LS.2.8.3.
LS.2.8.4.
Structure and Function: Describe and illustrate single-celled organisms found in pond water
80
Suggested Titles for Arkansas
Science State
Standard LS.2.8.4.
LS.2.8.5.
Structure and Function: Use a dichotomous key to classify organisms found in pond water
80
Suggested Titles for Arkansas
Science State
Standard LS.2.8.5.
LS.2.8.6.
Structure and Function: Compare and contrast characteristics of unicellular organisms and multi-cellular organisms
126
Suggested Titles for Arkansas
Science State
Standard LS.2.8.6.
LS.2.8.7.
Structure and Function: Classify cells as eukaryotic or prokaryotic
21
Suggested Titles for Arkansas
Science State
Standard LS.2.8.7.
LS.2.8.8.
Structure and Function: Identify and describe similarities and differences among organisms of different, but closely related taxa (e.g., pine trees, big cats, rodents, ungulates)
12
Suggested Titles for Arkansas
Science State
Standard LS.2.8.8.
LS.2.8.9.
Structure and Function: Investigate careers, scientists, and historical breakthroughs related to organisms
4
Suggested Titles for Arkansas
Science State
Standard LS.2.8.9.
AR.3. Life Science: Life Cycles, Reproduction, and Heredity: Students shall demonstrate and apply knowledge of life cycles, reproduction, and heredity using appropriate safety procedures, equipment, and technology
LS.3.8.1.
Heredity and Reproduction: Identify and explain why inherited characteristics of living things depend on genes
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.1.
LS.3.8.2.
Heredity and Reproduction: Differentiate between dominant and recessive traits
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.2.
LS.3.8.3.
Heredity and Reproduction: Observe and classify traits as dominant or recessive: tongue rolling, detached earlobes, widow's peak, hitchhiker's thumb, dimples, unibrow
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.3.
LS.3.8.4.
Heredity and Reproduction: Differentiate among observed inherited traits and acquired traits of plants and animals
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.4.
LS.3.8.5.
Heredity and Reproduction: Interpret simple genetic crosses using Punnett Squares
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.5.
LS.3.8.6.
Heredity and Reproduction: Predict patterns that emerge from simple genetic crosses
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.6.
LS.3.8.7.
Heredity and Reproduction: Conduct investigations demonstrating that the phenotype of a genetic trait is the result of genotype
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.7.
LS.3.8.8.
Heredity and Reproduction: Explain how genetic variation within a species is a result of dominant traits and recessive traits
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.8.
LS.3.8.9.
Heredity and Reproduction: Compare and contrast patterns of embryological development for all vertebrates, including humans
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.9.
LS.3.8.10.
Heredity and Reproduction: Distinguish between characteristics of plants and animals through selective breeding
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.10.
LS.3.8.11.
Heredity and Reproduction: Investigate careers, scientists, and historical breakthroughs related to genetics
2
Suggested Titles for Arkansas
Science State
Standard LS.3.8.11.
LS.3.8.12.
Regulation and Behavior: Compare the theory of evolution to the characteristics of a scientific theory
20
Suggested Titles for Arkansas
Science State
Standard LS.3.8.12.
LS.3.8.13.
Regulation and Behavior: Identify basic ideas related to biological evolution: diversity of species, variations within species, adaptations, natural selection, extinction of a species
22
Suggested Titles for Arkansas
Science State
Standard LS.3.8.13.
LS.3.8.14.
Regulation and Behavior: Explain that the fossil record provides evidence of life forms' appearance, diversification, and extinction
4
Suggested Titles for Arkansas
Science State
Standard LS.3.8.14.
LS.3.8.15.
Regulation and Behavior: Explain the process of natural selection
20
Suggested Titles for Arkansas
Science State
Standard LS.3.8.15.
LS.3.8.16.
Regulation and Behavior: Identify genetic traits that make organisms more likely to survive and reproduce in a particular environment
14
Suggested Titles for Arkansas
Science State
Standard LS.3.8.16.
LS.3.8.17.
Regulation and Behavior: Investigate careers, scientists, and historical breakthroughs related to natural selection and the fossil record
10
Suggested Titles for Arkansas
Science State
Standard LS.3.8.17.
AR.4. Life Science: Populations and Ecosystems: Students shall demonstrate and apply knowledge of populations and ecosystems using appropriate safety procedures, equipment, and technology.
LS.4.8.1.
Populations and Ecosystems: Analyze the effect of changes in environmental conditions on the survival of individual organisms and entire species
4
Suggested Titles for Arkansas
Science State
Standard LS.4.8.1.
AR.5. Physical Science: Matter: Properties and Changes: Students shall demonstrate and apply knowledge of matter, including properties and changes, using appropriate safety procedures, equipment, and technology
PS.5.8.1.
Properties of Matter: Compare the atomic theory to the characteristics of a scientific theory
11
Suggested Titles for Arkansas
Science State
Standard PS.5.8.1.
PS.5.8.2.
Properties of Matter: Explain the structure of atoms
11
Suggested Titles for Arkansas
Science State
Standard PS.5.8.2.
PS.5.8.3.
Properties of Matter: Determine the number of protons, neutrons, and electrons in an atom
11
Suggested Titles for Arkansas
Science State
Standard PS.5.8.3.
PS.5.8.4.
Properties of Matter: Create atomic models of common elements
17
Suggested Titles for Arkansas
Science State
Standard PS.5.8.4.
PS.5.8.5.
Properties of Matter: Investigate scientists, careers, and historical breakthroughs related to the atomic theory
14
Suggested Titles for Arkansas
Science State
Standard PS.5.8.5.
AR.6. Physical Science: Motion and Forces: Students shall demonstrate and apply knowledge of motion and forces using appropriate safety procedures, equipment, and technology
PS.6.8.1.
Motion and Forces: Model how motion and forces change Earth's surface: compression, tension, weathering, erosion
8
Suggested Titles for Arkansas
Science State
Standard PS.6.8.1.
PS.6.8.2.
Motion and Forces: Conduct investigations demonstrating the field force (lines of force) in magnetic fields
1
Suggested Titles for Arkansas
Science State
Standard PS.6.8.2.
PS.6.8.3.
Motion and Forces: Design and conduct investigations applying variables affecting the strength of an electromagnet
1
Suggested Titles for Arkansas
Science State
Standard PS.6.8.3.
PS.6.8.4.
Motion and Forces: Analyze and compare the relationship between electricity and magnetism
4
Suggested Titles for Arkansas
Science State
Standard PS.6.8.4.
PS.6.8.5.
Motion and Forces: Investigate careers, scientists, and historical breakthroughs related to motion and forces that change Earth's surface
3
Suggested Titles for Arkansas
Science State
Standard PS.6.8.5.
AR.7. Physical Science: Energy and Transfer of Energy: Students shall demonstrate and apply knowledge of energy and transfer of energy using appropriate safety procedures, equipment, and technology
PS.7.8.1.
Energy: Construct open and closed electrical circuits: series circuits, parallel circuits
4
Suggested Titles for Arkansas
Science State
Standard PS.7.8.1.
PS.7.8.2.
Energy: Describe and diagram open and closed series and parallel circuits
4
Suggested Titles for Arkansas
Science State
Standard PS.7.8.2.
PS.7.8.3.
Energy: Compare and contrast open and closed series circuits and parallel circuits
4
Suggested Titles for Arkansas
Science State
Standard PS.7.8.3.
PS.7.8.4.
Energy: Conduct investigations demonstrating the characteristics of a wave: wavelength, frequency, speed, amplitude
4
Suggested Titles for Arkansas
Science State
Standard PS.7.8.4.
PS.7.8.5.
Energy: Conduct investigations of longitudinal and transverse waves to determine how they are different
4
Suggested Titles for Arkansas
Science State
Standard PS.7.8.5.
PS.7.8.6.
Energy: Explain how energy is transferred through waves: seismic waves, sound waves, water waves, electromagnetic waves
15
Suggested Titles for Arkansas
Science State
Standard PS.7.8.6.
PS.7.8.7.
Energy: Describe how waves travel through different kinds of media
15
Suggested Titles for Arkansas
Science State
Standard PS.7.8.7.
PS.7.8.8.
Energy: Differentiate among reflection, refraction, and absorption of various types of waves
15
Suggested Titles for Arkansas
Science State
Standard PS.7.8.8.
PS.7.8.9.
Energy: Describe and diagram the electromagnetic spectrum
15
Suggested Titles for Arkansas
Science State
Standard PS.7.8.9.
PS.7.8.10.
Energy: Analyze the electromagnetic spectrum
15
Suggested Titles for Arkansas
Science State
Standard PS.7.8.10.
PS.7.8.11.
Energy: Investigate examples of real world uses of the electromagnetic spectrum
15
Suggested Titles for Arkansas
Science State
Standard PS.7.8.11.
PS.7.8.12.
Energy: Conduct investigations demonstrating the separation of white light into its spectrum using refraction
2
Suggested Titles for Arkansas
Science State
Standard PS.7.8.12.
PS.7.8.13.
Energy: Compare ways to transfer information: sound, light, radio, microwave energy
11
Suggested Titles for Arkansas
Science State
Standard PS.7.8.13.
PS.7.8.14.
Energy: Investigate careers, scientists, and historical breakthroughs related to waves and the electromagnetic spectrum
4
Suggested Titles for Arkansas
Science State
Standard PS.7.8.14.
AR.8. Earth and Space Science: Earth Systems: Students shall demonstrate and apply knowledge of Earth's structure and properties using appropriate safety procedures, equipment, and technology
ESS.8.8.1.
Structure and Properties: Analyze the causes and predict the consequences of global warming on the following: weather, temperature, ocean water levels
36
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.1.
ESS.8.8.2.
Structure and Properties: Investigate how global patterns of water currents influence local weather: Gulf Stream, Atlantic Currents, California Current
23
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.2.
ESS.8.8.3. Structure and Properties: Conduct investigations to compare and contrast different landforms found on Earth: mountains, plateaus, plains
ESS.8.8.4. Structure and Properties: Synthesize and model the result of both constructive and destructive forces on land forms: deposition, erosion, weathering, crustal deformation
ESS.8.8.5.
Structure and Properties: Compare and contrast the different landforms caused by Earth's external forces: plains, canyons, deltas, valleys, swamps
14
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.5.
ESS.8.8.6.
Structure and Properties: Research local, regional, and state landforms created by external forces on Earth: Gulf Coastal Plain, Arkansas River Valley, Mississippi Alluvial Plain, including the delta region, Crowley's Ridge
6
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.6.
ESS.8.8.7.
Structure and Properties: Use topographic maps to identify surface features of Earth
6
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.7.
ESS.8.8.8.
Structure and Properties: Demonstrate an understanding of the agents of erosion: gravity, water, ice, wind, animals, including humans
92
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.8.
ESS.8.8.9.
Structure and Properties: Using models of rivers, predict changes when variables, such as load, slope, amount of water, or the composition of a stream bed, are changed through erosion or deposition
9
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.9.
ESS.8.8.10.
Structure and Properties: Explain how weathering and erosion affect the oceans' salinity
6
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.10.
ESS.8.8.11.
Structure and Properties: Investigate careers, scientists, and historical breakthroughs related to external forces that change the Earth
8
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.11.
ESS.8.8.12.
Cycles: Investigate the types of weathering involved in the breakdown of organic and inorganic components of Earth's surface
12
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.12.
ESS.8.8.13.
Cycles: Illustrate soil profiles
2
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.13.
ESS.8.8.14.
Cycles: Apply knowledge of soil profiles to local soil samples
2
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.14.
ESS.8.8.15.
Cycles: Investigate the formation of soil types
2
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.15.
ESS.8.8.16.
Cycles: Identify components of soil as inorganic or organic through investigations
6
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.16.
ESS.8.8.17.
Cycles: Identify the basic nutrients needed by plants that are present in soils: nitrogen, phosphorous, potassium
41
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.17.
ESS.8.8.18.
Cycles: Identify ways plants use organic and inorganic components in the soil
41
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.18.
ESS.8.8.19.
Cycles: Investigate and analyze the composition of a variety of soils
2
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.19.
ESS.8.8.20.
Cycles: Conduct investigations on soil permeability
2
Suggested Titles for Arkansas
Science State
Standard ESS.8.8.20.
AR.9. Earth and Space Science: Earth's History: Students shall demonstrate and apply knowledge of Earth's history using appropriate safety procedures, equipment, and technology
ESS.9.8.1.
Earth's History: Explain processes that have changed Earth's surface that have resulted from sudden events (e.g., earthquakes and volcanoes) and gradual changes (e.g., uplift, erosion, and weathering)
10
Suggested Titles for Arkansas
Science State
Standard ESS.9.8.1.
ESS.9.8.2.
Earth's History: Analyze how rock sequences may be disturbed by the following: erosion, deposition, igneous intrusion, folding, faulting, uplifting
7
Suggested Titles for Arkansas
Science State
Standard ESS.9.8.2.
ESS.9.8.3.
Earth's History: Explain how scientists determine the relative ages of fossils found in layers of sedimentary rock: law of superposition, law of cross-cutting
6
Suggested Titles for Arkansas
Science State
Standard ESS.9.8.3.
ESS.9.8.4.
Earth's History: Apply geologic laws of superposition and cross-cutting to determine the relative age of rock in a cross section
6
Suggested Titles for Arkansas
Science State
Standard ESS.9.8.4.
AR.10. Earth and Space Science: Objects in the Universe: Students shall demonstrate and apply knowledge of objects in the universe using appropriate safety procedures, equipment, and technology
ESS.10.8.1.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Summarize the effects of gravity on bodies in space
7
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.1.
ESS.10.8.2.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Identify variables that affect the amount of gravitational force between two objects: mass of the objects, distance between the objects
6
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.2.
ESS.10.8.3.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Relate the effects of the moon's gravitational force on Earth's ocean tides
6
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.3.
ESS.10.8.4.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Identify the causes of the following: high tides, low tides, spring tides, neap tides
7
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.4.
ESS.10.8.5.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Define the terms galaxy and universe
12
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.5.
ESS.10.8.6.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Illustrate the appearance of galaxies as seen through a telescope: clarity, shape
19
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.6.
ESS.10.8.7.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Compare and contrast the Milky Way Galaxy to other galaxies
19
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.7.
ESS.10.8.8.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Illustrate the position of our solar system within the Milky Way Galaxy
19
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.8.
ESS.10.8.9.
Solar System: Sun, Earth, Moons, Planets, Galaxies: Investigate careers, scientists, and historical breakthroughs related to gravity, galaxies, and the universe
4
Suggested Titles for Arkansas
Science State
Standard ESS.10.8.9.