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8th Grade

Week 6 Q1: Combining and Separating\

  • Lesson Questions

    • How do mixtures, solutions, and pure substances differ?
    • How are solutions, suspensions, and colloids similar and different?
    • How do the substances of mixtures affect the process of separation?
    • How does matter form different types of mixtures? 
  • Key Vocabulary

pureheterogeneoussolubilityvolume (matter)chemical testemulsion,chemical changecolloidattractfilterpure substancerivermixturechemical,solubilitychemical reactionsubstanceactioncombinecompoundsolute,mattersolutionsolvent



Week 5 Q1: Earth's Water's TEST review

  • How can physical and chemical factors, such as temperature, dissolved oxygen, pH, salinity, turbidity and nitrates, be used to determine the health of an aquatic ecosystem?
  • What can bioindicators, such as the number and types of macroinvertebrates, reveal about the health of an aquatic ecosystem?
  • What is a watershed and what are the major watersheds in your state?
  • What are the components and characteristics of a river system?
  • Why are wetlands important?
  • Why are estuaries important?
  • How can the water quality in a watershed be affected by human activity?
  • How do the major saltwater biomes compare to each other?
  • How do the major freshwater biomes compare to each other?
  • How are aquatic organisms adapted to their environments?
  • What are ocean layers, and how are they similar to and different from each other?
  • How do scientists use technology to explore and study oceans?
  • How do we use the ocean as a resource?
  • What are the physical and chemical characteristics of ocean water, and why does it have these characteristics?
  • How do the environmental conditions of different ocean layers support life?
  • How do oceanographers gather data and evidence to support our understanding of Earth’s oceans?



Week 4 Q1: Oceans/Oceanography

  • Lesson Questions
    • What are ocean layers, and how are they similar to and different from each other?
    • How do scientists use technology to explore and study oceans?
    • How do we use the ocean as a resource?
    • What are the physical and chemical characteristics of ocean water, and why does it have these characteristics?
    • How do the environmental conditions of different ocean layers support life?
    • How do oceanographers gather data and evidence to support our understanding of Earth’s oceans?
  • Key Vocabulary

salt waterpressuredensitysalinityoceanhomogeneousestuaryocean currentplanktonmarineocean basinwater, photosynthesis salinityoceanographymineralsnutrients, bacteria



Week 3 Q1: Aquatic Biomes

  • Lesson Questions
    • How do the major saltwater biomes compare to each other?
    • How do the major freshwater biomes compare to each other?
    • How are aquatic organisms adapted to their environments?
  • Key Vocabulary

salt waterecosystemherbivoretropicalcarbon cyclebiospherefreshwater,food webplanktonoceanestuarywarm-bloodedamoebaocean current,exoskeletonfood chainsystemhydrosphereenvironmentanatomy,biodiversityswampbirdcharacteristicfishanimalflowering plantplant,preservedependdeltaAntarcticcoral reef biotechnologybiomefeature,arthropodrainaquaticmarineinsectwaterspeciesamphibian,microorganismbiological diversitywetlandflowermigrationprotistrain forestparasitetidesalgaestreamcommunityArcticbacteria



Week 2 Q1 - Wetland, watershed, estuaries

Lesson Questions

  • What is a watershed and what are the major watersheds in your state?
  • What are the components and characteristics of a river system?
  • Why are wetlands important?
  • Why are estuaries important?
  • How can the water quality in a watershed be affected by human activity?

Key Vocabulary

salt watercoastal plainmeanderfreshwaterfloodplain,estuarymangroveerosionwater cyclehabitatdischarge (stream)landformelevationbirdriverpollutantsediment,geographynutrientsprecipitationenvironmentclimate,biomepollutionstreamaquaticnatural resourceswater,biological diversitywetlanddeltaalgaegroundwater


Week 1 Q1 - Water Quality:
Lesson Questions:

  • How can physical and chemical factors, such as temperature, dissolved oxygenpHsalinityturbidity and nitrates, be used to determine the health of an aquatic ecosystem?
  • What can bioindicators, such as the number and types of macroinvertebrates, reveal about the health of an aquatic ecosystem?



Key Vocabulary- Water Quality

algae, aquatic, bacteria, environment, erosion, estuary, freshwater, groundwater, habitat, natural resources, ocean, rain, salt water, water, water cycle