Arkansas State Standards for Science: Grade 7

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.1.7.1. Processes of Science: Interpret evidence based on observations 4
Suggested Titles for Arkansas Science State Standard NS.1.7.1.

NS.1.7.2. Processes of Science: Analyze components of experimental design used to produce empirical evidence: hypothesis, replication, sample size, appropriate use of control, use of standardized variables 4
Suggested Titles for Arkansas Science State Standard NS.1.7.2.

NS.1.7.3. Processes of Science: Interpret scientific data using mean, median, mode, and range using SI units 6
Suggested Titles for Arkansas Science State Standard NS.1.7.3.

NS.1.7.4. Processes of Science: Construct and interpret scientific data using histograms, circle graphs, scatter plots, double line graphs, line graphs by approximating line of best fit 4
Suggested Titles for Arkansas Science State Standard NS.1.7.4.

NS.1.7.5. Processes of Science: Communicate results and conclusions from scientific inquiry 4
Suggested Titles for Arkansas Science State Standard NS.1.7.5.

NS.1.7.6. Processes of Science: Develop and implement strategies for long-term, accurate data collection 4
Suggested Titles for Arkansas Science State Standard NS.1.7.6.

NS.1.7.7. Characteristics of Science: Distinguish between questions that can and cannot be answered by science 4
Suggested Titles for Arkansas Science State Standard NS.1.7.7.

NS.1.7.8. Characteristics of Science: Explain the role of testability and modification in the development of a theory 4
Suggested Titles for Arkansas Science State Standard NS.1.7.8.

NS.1.7.9. Characteristics of Science: Compare and contrast hypotheses, laws, and theories 12
Suggested Titles for Arkansas Science State Standard NS.1.7.9.

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.2.7.1. Structure and Function: Illustrate the hierarchical relationships of cells, tissues, organs, and organ systems 23
Suggested Titles for Arkansas Science State Standard LS.2.7.1.

LS.2.7.2. Structure and Function: Analyze how two or more organs work together to perform a function (e.g., mouth and stomach to digest food) 23
Suggested Titles for Arkansas Science State Standard LS.2.7.2.

LS.2.7.3. Structure and Function: Identify organ systems in vertebrates and plants 49
Suggested Titles for Arkansas Science State Standard LS.2.7.3.

LS.2.7.4. Structure and Function: Analyze the structure and function of tissues, organs, and organ systems of a vertebrate and an angiosperm using various models or methods of dissection 49
Suggested Titles for Arkansas Science State Standard LS.2.7.4.

LS.2.7.5. Structure and Function: Compare and contrast vertebrate systems and plant organ systems 50
Suggested Titles for Arkansas Science State Standard LS.2.7.5.

LS.2.7.6. Structure and Function: Identify human body systems: nervous, digestive, circulatory, respiratory, excretory, integumentary, skeletal/muscular, endocrine, reproductive 23
Suggested Titles for Arkansas Science State Standard LS.2.7.6.

LS.2.7.7. Structure and Function: Relate the structure of vertebrate and plant body systems to their functions 23
Suggested Titles for Arkansas Science State Standard LS.2.7.7.

LS.2.7.8. Structure and Function: Investigate functions of human body systems 23
Suggested Titles for Arkansas Science State Standard LS.2.7.8.

LS.2.7.9. Structure and Function: Describe interactions between major organ systems 23
Suggested Titles for Arkansas Science State Standard LS.2.7.9.

LS.2.7.10. Structure and Function: Investigate careers, scientists, and historical breakthroughs related to life systems 120
Suggested Titles for Arkansas Science State Standard LS.2.7.10.

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.3.7.1. Heredity and Reproduction: Explain that the fertilized egg cell carries genetic information from each parent and multiplies to form a complete organism 36
Suggested Titles for Arkansas Science State Standard LS.3.7.1.

LS.3.7.2. Heredity and Reproduction: Distinguish between sperm cells and egg cells 17
Suggested Titles for Arkansas Science State Standard LS.3.7.2.

LS.3.7.3. Heredity and Reproduction: Compare and contrast the structure and function of the sperm cell and the egg cell in vertebrates and plants and their role in sexual reproduction 17
Suggested Titles for Arkansas Science State Standard LS.3.7.3.

LS.3.7.4. Heredity and Reproduction: Investigate and analyze the development of embryos 6
Suggested Titles for Arkansas Science State Standard LS.3.7.4.

LS.3.7.5. Heredity and Reproduction: Dissect a poultry egg to analyze its structure (e.g., paper, plastic, or clay models, virtual dissection, or specimen dissection) 6
Suggested Titles for Arkansas Science State Standard LS.3.7.5.

LS.3.7.6. Heredity and Reproduction: Dissect a flower to analyze the reproductive system of angiosperms (e.g., paper, plastic, or clay models; virtual dissection; or specimen dissection) 29
Suggested Titles for Arkansas Science State Standard LS.3.7.6.

LS.3.7.7. Heredity and Reproduction: Differentiate between sexual and asexual reproduction in vertebrates, plants 9
Suggested Titles for Arkansas Science State Standard LS.3.7.7.

LS.3.7.8. Heredity and Reproduction: Identify the number and source of chromosomes in human body cells 22
Suggested Titles for Arkansas Science State Standard LS.3.7.8.

LS.3.7.9. Heredity and Reproduction: Identify the number and source of chromosomes in human sex cells 22
Suggested Titles for Arkansas Science State Standard LS.3.7.9.

LS.3.7.10. Heredity and Reproduction: Explain the role of cell division 22
Suggested Titles for Arkansas Science State Standard LS.3.7.10.

LS.3.7.11. Heredity and Reproduction: Investigate careers, scientists, and historical breakthroughs related to reproduction 116
Suggested Titles for Arkansas Science State Standard LS.3.7.11.

LS.3.7.12. Regulation and Behavior: Summarize the interactions between organ systems in the maintenance of homeostasis 73
Suggested Titles for Arkansas Science State Standard LS.3.7.12.

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.4.7.1. Populations and Ecosystems: Explain the role of reproduction in the continuation of a species 52
Suggested Titles for Arkansas Science State Standard LS.4.7.1.

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.5.7.1. Properties of Matter: Explain how a small number of naturally-occurring elements can result in the large variety of substances found in the world 22
Suggested Titles for Arkansas Science State Standard PS.5.7.1.

PS.5.7.2. Properties of Matter: Create models of common compounds: water, carbon dioxide, salt, iron oxide, ammonia 16
Suggested Titles for Arkansas Science State Standard PS.5.7.2.

PS.5.7.3. Properties of Matter: Identify compounds as substances consisting of two or more elements chemically combined 16
Suggested Titles for Arkansas Science State Standard PS.5.7.3.

PS.5.7.4. Properties of Matter: Compare and contrast properties of compounds to those of the elements that compose them: salt: sodium, chlorine, water: hydrogen, oxygen, carbon dioxide: carbon, oxygen 16
Suggested Titles for Arkansas Science State Standard PS.5.7.4.

PS.5.7.5. Properties of Matter: Demonstrate techniques for forming and separating mixtures: mixing, magnetic attraction, evaporation, filtration, chromatography, settling 16
Suggested Titles for Arkansas Science State Standard PS.5.7.5.

PS.5.7.6. Properties of Matter: Classify substances as elements, compounds, mixtures 25
Suggested Titles for Arkansas Science State Standard PS.5.7.6.

PS.5.7.7. Properties of Matter: Distinguish among solvent, solute, and solution 18
Suggested Titles for Arkansas Science State Standard PS.5.7.7.

PS.5.7.8. Properties of Matter: Investigate the effect of variables on solubility rates 18
Suggested Titles for Arkansas Science State Standard PS.5.7.8.

PS.5.7.9. Properties of Matter: Interpret solubility graphs 28
Suggested Titles for Arkansas Science State Standard PS.5.7.9.

PS.5.7.10. Properties of Matter: Investigate scientists, careers, and historical breakthroughs related to elements, mixtures, and compounds 7
Suggested Titles for Arkansas Science State Standard PS.5.7.10.

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.6.7.1. Motion and Forces: Compare and contrast Newton's three laws of motion 14
Suggested Titles for Arkansas Science State Standard PS.6.7.1.

PS.6.7.2. Motion and Forces: Conduct investigations demonstrating Newton's first law of motion 14
Suggested Titles for Arkansas Science State Standard PS.6.7.2.

PS.6.7.3. Motion and Forces: Demonstrate Newton's second law of motion 14
Suggested Titles for Arkansas Science State Standard PS.6.7.3.

PS.6.7.4. Motion and Forces: Conduct investigations of Newton's third law of motion 14
Suggested Titles for Arkansas Science State Standard PS.6.7.4.

PS.6.7.5. Motion and Forces: Explain how Newton's three laws of motion apply to real world situations (e.g., sports, transportation) 14
Suggested Titles for Arkansas Science State Standard PS.6.7.5.

PS.6.7.6. Motion and Forces: Investigate careers, scientists, and historical breakthroughs related to laws of motion 5
Suggested Titles for Arkansas Science State Standard PS.6.7.6.

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.7.7.1. Energy: Identify natural resources used to supply energy needs 34
Suggested Titles for Arkansas Science State Standard PS.7.7.1.

PS.7.7.2. Energy: Describe alternatives to the use of fossil fuels: solar energy, geothermal energy, wind, hydroelectric power, nuclear energy, biomass 34
Suggested Titles for Arkansas Science State Standard PS.7.7.2.

PS.7.7.3. Energy: Conduct investigations to identify types of potential energy and kinetic energy 34
Suggested Titles for Arkansas Science State Standard PS.7.7.3.

PS.7.7.4. Energy: Investigate alternative energy sources 34
Suggested Titles for Arkansas Science State Standard PS.7.7.4.

PS.7.7.5. Energy: Investigate careers, scientists, and historical breakthroughs related to natural resources, alternative resources, electricity, and magnetism 3
Suggested Titles for Arkansas Science State Standard PS.7.7.5.

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.8.7.1. Structure and Properties: Describe the composition and physical characteristics of the atmosphere 9
Suggested Titles for Arkansas Science State Standard ESS.8.7.1.

ESS.8.7.2. Structure and Properties: Investigate the influence of global patterns on local weather: movement of air masses, Coriolis effect, jet stream, global wind belts 42
Suggested Titles for Arkansas Science State Standard ESS.8.7.2.

ESS.8.7.3. Structure and Properties: Conduct investigations demonstrating the effects of solar energy on the atmosphere 9
Suggested Titles for Arkansas Science State Standard ESS.8.7.3.

ESS.8.7.4. Structure and Properties: Investigate the effect that oceans have on climate 6
Suggested Titles for Arkansas Science State Standard ESS.8.7.4.

ESS.8.7.5. Structure and Properties: Identify elements of weather: temperature, air pressure, wind speed, wind direction, humidity 42
Suggested Titles for Arkansas Science State Standard ESS.8.7.5.

ESS.8.7.6. Structure and Properties: Conduct investigations using weather measurement devices: anemometers, barometers, sling psychrometers, thermometers, weather charts 1
Suggested Titles for Arkansas Science State Standard ESS.8.7.6.

ESS.8.7.7. Structure and Properties: Predict weather conditions using data on the following: temperature, air pressure: highs, lows, fronts, clouds, wind speed, wind direction, humidity 32
Suggested Titles for Arkansas Science State Standard ESS.8.7.7.

ESS.8.7.8. Structure and Properties: Identify the causes and effects of weather-related phenomena: thunderstorms, tornadoes/ hurricanes/cyclones/ typhoons, drought, acid precipitation 67
Suggested Titles for Arkansas Science State Standard ESS.8.7.8.

ESS.8.7.9. Structure and Properties: Explain tornado belt weather patterns using a map of the United States 5
Suggested Titles for Arkansas Science State Standard ESS.8.7.9.

ESS.8.7.10. Structure and Properties: Describe ways human beings protect themselves, others, and their property from adverse weather conditions 67
Suggested Titles for Arkansas Science State Standard ESS.8.7.10.

ESS.8.7.11. Structure and Properties: Describe and map climates of major Earth regions 75
Suggested Titles for Arkansas Science State Standard ESS.8.7.11.

ESS.8.7.12. Structure and Properties: Analyze the effect of the shape of Earth and the tilt of Earth's axis on climate 28
Suggested Titles for Arkansas Science State Standard ESS.8.7.12.

ESS.8.7.13. Structure and Properties: Identify and explain the effects that human activities have on weather and atmosphere 91
Suggested Titles for Arkansas Science State Standard ESS.8.7.13.

ESS.8.7.14. Structure and Properties: Describe causes and effects of acid precipitation 81
Suggested Titles for Arkansas Science State Standard ESS.8.7.14.

ESS.8.7.15. Structure and Properties: Investigate careers, scientists, and historical breakthroughs related to atmosphere and weather 11
Suggested Titles for Arkansas Science State Standard ESS.8.7.15.

ESS.8.7.16. Cycles: Conduct investigations demonstrating the water cycle 3
Suggested Titles for Arkansas Science State Standard ESS.8.7.16.

ESS.8.7.17. Cycles: Explain the relationship between the water cycle and ground water 9
Suggested Titles for Arkansas Science State Standard ESS.8.7.17.

ESS.8.7.18. Cycles: Investigate cloud formation 27
Suggested Titles for Arkansas Science State Standard ESS.8.7.18.

ESS.8.7.19. Cycles: Conduct investigations demonstrating the greenhouse effect 22
Suggested Titles for Arkansas Science State Standard ESS.8.7.19.

ESS.8.7.20. Cycles: Research how human activities may contribute to global warming 81
Suggested Titles for Arkansas Science State Standard ESS.8.7.20.

ESS.8.7.21. Cycles: Explain examples of actual events that cause temporary climate changes: volcanic dust, drought, meteor impact 13
Suggested Titles for Arkansas Science State Standard ESS.8.7.21.

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.9.7.1. Earth's History: Analyze charts to infer past atmospheric conditions based on the organisms found in the fossil record 10
Suggested Titles for Arkansas Science State Standard ESS.9.7.1.

ESS.9.7.2. Earth's History: Demonstrate that Earth has a magnetic field that is detectible at the surface with a compass 5
Suggested Titles for Arkansas Science State Standard ESS.9.7.2.

ESS.9.7.3. Earth's History: Compare and contrast Earth's magnetic field to those of natural or human-made magnets with North and South poles, lines of force 5
Suggested Titles for Arkansas Science State Standard ESS.9.7.3.

ESS.9.7.4. Earth's History: Analyze evidence of sea floor spreading: magnetic reversal, molten material, drilling samples 9
Suggested Titles for Arkansas Science State Standard ESS.9.7.4.

ESS.9.7.5. Earth's History: Research ways in which people have used compasses 25
Suggested Titles for Arkansas Science State Standard ESS.9.7.5.

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.10.7.1. Solar System: Sun, Earth, Moons, Planets, Galaxies: Identify and model the causes of night and day 8
Suggested Titles for Arkansas Science State Standard ESS.10.7.1.

ESS.10.7.2. Solar System: Sun, Earth, Moons, Planets, Galaxies: Compare and contrast Earth's day to those of other planets in our solar system 10
Suggested Titles for Arkansas Science State Standard ESS.10.7.2.

ESS.10.7.3. Solar System: Sun, Earth, Moons, Planets, Galaxies: Identify and model the cause of planetary years 10
Suggested Titles for Arkansas Science State Standard ESS.10.7.3.

ESS.10.7.4. Solar System: Sun, Earth, Moons, Planets, Galaxies: Compare and contrast Earth's year to those of other planets in our solar system 10
Suggested Titles for Arkansas Science State Standard ESS.10.7.4.

ESS.10.7.5. Solar System: Sun, Earth, Moons, Planets, Galaxies: Identify and model the causes of seasons 3
Suggested Titles for Arkansas Science State Standard ESS.10.7.5.

ESS.10.7.6. Solar System: Sun, Earth, Moons, Planets, Galaxies: Investigate careers, scientists, and historical breakthroughs related to rotations and revolutions of bodies in space 10
Suggested Titles for Arkansas Science State Standard ESS.10.7.6.