8th Grade

Week 6 Q2: Fossils and Studying the Earth's Past

Lesson Questions:

  • What is a fossil?
  • How do fossils show how organisms have evolved through time?
  • How do fossils provide evidence of environmental changes that occurred in the past?
  • What are the different types of divisions of geologic time?
  • How do the ages of the oldest fossils compare to the age of Earth?

Key Vocabulary

earth, anatomy, ancient, bone, coal, decay, dinosaur, extinct, fish, fossil, fossil fuels, geosphere, hypothesis,inference, lithosphere, natural resources, plant, radioactive dating, rock layer, superposition, theory

Week 5 Q2: Chemical Reactions TEST study guide

Copper chloride


balanced chemical equation

chemical reaction



endothermic reaction


surface area

Reaction RATES


law of conservation of matter

Week 3/4 Q2: Chemical Reactions and Equations

  • Lesson Questions
    • How do scientists represent chemical reactions?
    • How is it determined that a chemical reaction has occurred?
    • How are chemical equations written to show that mass is conserved?
    • What happens during a chemical reaction, how do you know when a chemical reaction has occurred, and how can you represent chemical reactions with equations?

Week 2 Q2: Molecules

Lesson Questions: Molecules


o          How do particles combine to form the variety of matter one observes?

o          What are molecules, and how are the properties of molecules different than the atoms that they come from?

o          How can you predict when atoms will combine to form a molecule?

o          What are the characteristics of ionic compounds?

o          How are elements, compounds, and molecules all related to one another?


Key Vocabulary

crystal, react, condense, hydroxide ion, chemical change,negative charge, electron shell, suspension, conduct, pure substance, diffusion, acid, boil, chemical, pH, substance, base,positive charge, molecule, nucleus, valence electron, atom,compound, structure, solution, dissociate, convection (heat),chlorine

Week 1 Q2: Compounds
Lesson Essential Questions:

  • What is a compound?
  • How are compounds named?
  • How are compounds made from carbon unique?

Key Vocabulary:

atomelementmoleculecompound, chemical bond, organic compound, monomer, polymer, carbon

Week 8 Q1: Atomic Structure:

  • Lesson Questions
    • What is the relationship between an atom and an elements
    • How are protons, neutrons, and electrons arranged to form an atom?
    • How can electrons be gained or lost from an atom?
  • Can You Explain?
    • How are the atoms of one element different from the atoms of another? Use examples in your explanation.
  • Key Vocabulary

nitrogencrystalradioactivityatomic numberchemical changeradioactive datinghalf-lifemodelatomic massmasselementplasmaelectron shellperiodic table of elementsperiodaccelerationpure substanceionic bondenergy (physical)protoncovalent bondpHneutronsubstancestructuremoleculenoble gasspecific gravityionatomcompoundmattercarbon metalbalancehydrogenchemicalparticlechlorine

Week 6 Q1: Combining and Separating

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 Water's TEST review

Week 4 Q1: Oceans and 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,geographynutrients,       precpitationenvironmentclimate,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