Arkansas Science Learning Standards — Grade 7


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ESS.10.7.1

Identify and model the causes of night and day

ESS.10.7.2

Compare and contrast Earths day to those of other planets in our solar system

ESS.10.7.3

Identify and model the cause of planetary years

ESS.10.7.4

Compare and contrast Earths year to those of other planets in our solar system

ESS.10.7.5

Identify and model the causes of seasons

ESS.10.7.6

Investigate careers, scientists, and historical breakthroughs related to rotations and revolutions of bodies in space

ESS.8.7.1

Describe the composition and physical characteristics of the atmosphere

ESS.8.7.10

Describe ways human beings protect themselves, others, and their property from adverse weather conditions

ESS.8.7.11

Describe and map climates of major Earth regions

ESS.8.7.12

Analyze the effect of the shape of Earth and the tilt of Earths axis on climate

ESS.8.7.13

Identify and explain the effects that human activities have on weather and atmosphere

ESS.8.7.14

Describe causes and effects of acid precipitation

ESS.8.7.15

Investigate careers, scientists, and historical breakthroughs related to atmosphere and weather

ESS.8.7.16

Conduct investigations demonstrating the water cycle

ESS.8.7.17

Explain the relationship between the water cycle and ground water

ESS.8.7.18

Investigate cloud formation

ESS.8.7.19

Conduct investigations demonstrating the greenhouse effect

ESS.8.7.2

Investigate the influence of global patterns on local weather: movement of air masses Coriolis effect jet stream global wind belts

ESS.8.7.20

Research how human activities may contribute to global warming

ESS.8.7.21

Explain examples of actual events that cause temporary climate changes: volcanic dust drought meteor impact

ESS.8.7.3

Conduct investigations demonstrating the effects of solar energy on the atmosphere

ESS.8.7.4

Investigate the effect that oceans have on climate

ESS.8.7.5

Identify elements of weather: temperature air pressure wind speed wind direction humidity

ESS.8.7.6

Conduct investigations using weather measurement devices: anemometers barometers sling psychrometers thermometers weather charts

ESS.8.7.7

Predict weather conditions using data on the following: temperature air pressure: highs, lows, fronts clouds wind speed wind direction humidity

ESS.8.7.8

Identify the causes and effects of weather-related phenomena: thunderstorms tornadoes/ hurricanes/cyclones/ typhoons drought acid precipitation

ESS.8.7.9

Explain tornado belt weather patterns using a map of the United States

ESS.9.7.1

Analyze charts to infer past atmospheric conditions based on the organisms found in the fossil record

ESS.9.7.2

Demonstrate that Earth has a magnetic field that is detectible at the surface with a compass

ESS.9.7.3

Compare and contrast Earths magnetic field to those of natural or human-made magnets with North and South poles lines of force

ESS.9.7.4

Analyze evidence of sea floor spreading: magnetic reversal molten material drilling samples

ESS.9.7.5

Research ways in which people have used compasses

LS.2.7.1

Illustrate the hierarchical relationships of cells, tissues, organs, and organ systems

LS.2.7.10

Investigate careers, scientists, and historical breakthroughs related to life systems

LS.2.7.2

Analyze how two or more organs work together to perform a function (e.g., mouth and stomach to digest food)

LS.2.7.3

Identify organ systems in vertebrates and plants

LS.2.7.4

Analyze the structure and function of tissues, organs, and organ systems of a vertebrate and an angiosperm using various models or methods of dissection

LS.2.7.5

Compare and contrast vertebrate systems and plant organ systems

LS.2.7.6

Identify human body systems: nervous digestive circulatory respiratory excretory integumentary skeletal/muscular endocrine reproductive

LS.2.7.7

Relate the structure of vertebrate and plant body systems to their functions

LS.2.7.8

Investigate functions of human body systems

LS.2.7.9

Describe interactions between major organ systems

LS.3.7.1

Explain that the fertilized egg cell carries genetic information from each parent and multiplies to form a complete organism

LS.3.7.10

Explain the role of cell division

LS.3.7.11

Investigate careers, scientists, and historical breakthroughs related to reproduction

LS.3.7.12

Summarize the interactions between organ systems in the maintenance of homeostasis

LS.3.7.2

Distinguish between sperm cells and egg cells

LS.3.7.3

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

LS.3.7.4

Investigate and analyze the development of embryos

LS.3.7.5

Dissect a poultry egg to analyze its structure (e.g., paper, plastic, or clay models, virtual dissection, or specimen dissection)

LS.3.7.6

Dissect a flower to analyze the reproductive system of angiosperms (e.g., paper, plastic, or clay models; virtual dissection; or specimen dissection)

LS.3.7.7

Differentiate between sexual and asexual reproduction in vertebrates plants

LS.3.7.8

Identify the number and source of chromosomes in human body cells

LS.3.7.9

Identify the number and source of chromosomes in human sex cells

LS.4.7.1

Explain the role of reproduction in the continuation of a species

NS.1.7.1

Interpret evidence based on observations

NS.1.7.2

Analyze components of experimental design used to produce empirical evidence: hypothesis replication sample size appropriate use of control use of standardized variables

NS.1.7.3

Interpret scientific data using mean, median, mode, and range using SI units

NS.1.7.4

Construct and interpret scientific data using histograms circle graphs scatter plots double line graphs line graphs by approximating line of best fit

NS.1.7.5

Communicate results and conclusions from scientific inquiry

NS.1.7.6

Develop and implement strategies for long-term, accurate data collection

NS.1.7.7

Distinguish between questions that can and cannot be answered by science

NS.1.7.8

Explain the role of testability and modification in the development of a theory

NS.1.7.9

Compare and contrast hypotheses, laws, and theories

PS.5.7.1

Explain how a small number of naturally-occurring elements can result in the large variety of substances found in the world

PS.5.7.10

Investigate scientists, careers, and historical breakthroughs related to elements, mixtures, and compounds

PS.5.7.2

Create models of common compounds: water carbon dioxide salt iron oxide ammonia

PS.5.7.3

Identify compounds as substances consisting of two or more elements chemically combined

PS.5.7.4

Compare and contrast properties of compounds to those of the elements that compose them: salt: sodium, chlorine water: hydrogen, oxygen carbon dioxide: carbon, oxygen

PS.5.7.5

Demonstrate techniques for forming and separating mixtures: mixing magnetic attraction evaporation filtration chromatography settling

PS.5.7.6

Classify substances as elements compounds mixtures

PS.5.7.7

Distinguish among solvent, solute, and solution

PS.5.7.8

Investigate the effect of variables on solubility rates

PS.5.7.9

Interpret solubility graphs

PS.6.7.1

Compare and contrast Newtons three laws of motion

PS.6.7.2

Conduct investigations demonstrating Newtons first law of motion

PS.6.7.3

Demonstrate Newtons second law of motion

PS.6.7.4

Conduct investigations of Newtons third law of motion

PS.6.7.5

Explain how Newtons three laws of motion apply to real world situations (e.g., sports, transportation)

PS.6.7.6

Investigate careers, scientists, and historical breakthroughs related to laws of motion

PS.7.7.1

Identify natural resources used to supply energy needs

PS.7.7.2

Describe alternatives to the use of fossil fuels: solar energy geothermal energy wind hydroelectric power nuclear energy biomass

PS.7.7.3

Conduct investigations to identify types of potential energy and kinetic energy

PS.7.7.4

Investigate alternative energy sources

PS.7.7.5

Investigate careers, scientists, and historical breakthroughs related to natural resources, alternative resources, electricity, and magnetism