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Arkansas Grade 7 Science StandardsWeb Resources
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
 Feast or Famine: Life in Arkansas in 1910.
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
LS.2.7.1
Illustrate the hierarchical relationships of cells, tissues, organs, and organ 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)
 Beginning to End
LS.2.7.3
Identify organ systems in vertebrates and plants
 Beginning to End
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
 Flowery Science
LS.2.7.5
Compare and contrast vertebrate systems and plant organ systems
LS.2.7.6
dentify 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
Investigate functions of human body systems
LS.2.7.10
Investigate careers, scientists, and historical breakthroughs related to life 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.3.7.2
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)
 Eggcellent Information
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)
 Flowery Science
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.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.4.7.1
Explain the role of reproduction in the continuation of a species
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
 Models of Compounds
PS.5.7.2
Create models of common compounds:
• water
• carbon dioxide
• salt
• iron oxide
• ammonia
 Models of Compounds
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.5.7.10
Investigate scientists, careers, and historical breakthroughs related to elements, mixtures, and compounds
PS.6.7.1
Compare and contrast Newton's three laws of motion
 Croquet Bowling League  Eggstronauts
PS.6.7.2
Conduct investigations demonstrating Newton's first law of motion
 Croquet Bowling League  Hover Crafts
PS.6.7.3
Demonstrate Newton's second law of motion
 Eggstronauts
PS.6.7.4
Conduct investigations of Newton's third law of motion
 Eggstronauts
PS.6.7.5
Explain how Newton's three laws of motion apply to real world situations (e.g., sports, transportation)
 Hover Crafts  Eggstronauts
PS.6.7.6
Investigate careers, scientists, and historical breakthroughs related to laws of motion
 Croquet Bowling League
PS.7.7.1
Identify natural resources used to supply energy needs
 Feast or Famine: Life in Arkansas in 1910.
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
ESS.8.7.1
Describe the composition and physical characteristics of the atmosphere
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.8.7.3
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
 Climate and Average Rainfall
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.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 Earth's 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.8.7.20
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.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 Earth's 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
ESS.10.7.1
Identify and model the causes of night and day
 Sweet Seasons
ESS.10.7.2
Compare and contrast Earth's 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 Earth's year to those of other planets in our solar system
ESS.10.7.5
Identify and model the causes of seasons
 Sweet Seasons
ESS.10.7.6
Investigate careers, scientists, and historical breakthroughs related to rotations and revolutions of bodies in space