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8th Grade

November 27 - December 1: Formation of the Earth


Lesson Questions:

  • What evidence can scientists use to study Earth's history?
  • What two methods do scientists use to determine the ages of rocks?
  • How are geologic principles applied to understanding Earth's history?

Key Vocabulary

analyze, ancient, astronomy, core, crater, crust, earth, element, geology, geosphere, gravity, inference, lithosphere, magma, mantle, model, moon, natural resources, nebular hypothesis, ore, period, prehistoric, rock layer, solar system, space, structure, superposition, theory, water




November 20 - November 22: 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


November 13 - November 17: Chemical Reactions Test Review

·         ice melting

·         surface area

·         law of conservation of matter

·         silver nitrate

·         reactivity

·         methane

·         photosynthesis

·         oxygen

·         carbon dioxide

·         physical change

·         water

·         exothermic

·         reactants

·         endothermic

·         copper

·         increase in temperature

·         chemical change

·         gasoline burns in a car engine



November 6 - November 10th: 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?
  • Key Vocabulary

    base, physical change, chemical change, product, catalyst, digestion , element, reactant, endothermic, chemical, chemical reaction, substance, conservation of mass, molecule, atom, photosynthesis , acid, change of state, matter, physical property, electron, particle, exothermic



  • October 30 - November 3: Chemical Reactions



    October 23 - October 27: Test Review

     

    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?

    How is the periodic table of the elements organized?

    How do scientists classify some of the elements on the periodic table?

    Why is the periodic table such a useful tool for chemists?

    What is the relationship between an atom and an element?

    How are protons, neutrons, and electrons arranged to form an atom?

    How can electrons be gained or lost from an atom?

    How are the atoms of one element different from the atoms of another? Use examples in your explanation

    What is a compound?

    How are compounds named?

    How are compounds made from carbon unique?

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

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

    What are the characteristics of ionic compounds?

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


    October 16 - October 20: Molecules
    Lesson Questions
    • What are molecules, and how are the properties of molecules different than the atoms that they come from?
    • How can you predict when atoms will combine to form a molecule?
    • What are the characteristics of ionic compounds?
    • 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 Questions:
    • What is a compound?
    • How are compounds named?
    • How are compounds made from carbon unique?
    Key Vocabulary

    atom, beaker, nitrogen cycle, alkaline, chemical energy, hydroxide ion, salt, chemical change, liquid, attract, suspension, electron shell, pure substance, acid, mixture, chemical, pH, solubility, chemical reaction, battery, base, nitrogen cycle, chemical test, combine, molecule, ion, water, compound, sugar, dissociate, chlorophyll , carbon dioxide

    Week 8 Q1: Atomic Structure
     
    • Lesson Questions

      • What is the relationship between an atom and an element?

      • How are protons, neutrons, and electrons arranged to form an atom?

      • How can electrons be gained or lost from an atom?

    • How are the atoms of one element different from the atoms of another? Use examples in your explanation.

     

    • Key Vocabulary
    nitrogen, crystal, radioactivity, atomic number, chemical change, radioactive dating, half-life, model, atomic mass, mass, element, plasma, electron shell, periodic table of elements, period, acceleration, pure substance, ionic bond, energy (physical), proton, covalent bond, pH, neutron, substance, structure, molecule, noble gas, specific gravity, ion, atom, compound, matter, carbon , metal, balance, hydrogen, chemical, particle, chlorine


    Week 7 Q1: Periodic Table
    • Lesson Questions:

      • How is the periodic table of the elements organized?

      • How do scientists classify some of the elements on the periodic table?

      • Why is the periodic table such a useful tool for chemists?

       

    • Key Vocabulary

    half-life, law, atomic mass, nitrogen, element, electron shell, periodic table of elements, period, radioactivity, pure substance, structure, noble gas, metal, atomic number, hydrogen, system, chlorine, specific gravity, atom




    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?

       

    • Can You Explain?

      • How does matter form different types of mixtures?

         

       

    • Key Vocabulary

    pure, heterogeneous, solubility, volume (matter), chemical test, emulsion, chemical change, colloid, attract, filter, pure substance, river, mixture, chemical, solubility, chemical reaction, substance, action, combine, compound, solute, matter, solution, solvent


    Week 5 Q1: Earth's Waters test Review

    Earth’s water’s Test Review:

    • What are the chemical characteristics of ocean water?

    • What are the environmental characteristics of different ocean layers?

    • How do oceanographers gather data and evidence to support our understanding of Earth’s oceans?

    • How do scientists study the oceans?

    • What role do the oceans play in weather and climate?

    • How do we use the ocean as a resource?

    • What are the different layers of the ocean and how are they similar and different from each other?

    • What are the physical characteristics of the major aquatic biomes?

    • What kinds of organisms live in aquatic biomes?

    • How are aquatic animals adapted to their environments?

    • 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 scientists study the oceans?

    • What role do the oceans play in weather and climate?

    • How do we use the ocean as a resource?

    • 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?

     


    Week 4 Q1: Oceans and Oceanography

    Lesson Questions

    • What are the chemical characteristics of ocean water?
    • What are the environmental characteristics of different ocean layers?
    • How do oceanographers gather data and evidence to support our understanding of Earth’s oceans?
    • How do scientists study the oceans?
    • What are the different layers of the ocean and how are they similar and different from each other?
    • What role do the oceans play in weather and climate?
    • How do we use the ocean as a resource?


    Week 3 Q1: Aquatic Biomes

    Lesson Questions:

    • What are the physical characteristics of the major aquatic biomes?
    • What kinds of organisms live in aquatic biomes?
    • How are aquatic animals adapted to their environments?

    Key Vocabulary

    algae, amoeba, amphibian, anatomy, animal, antarctic, aquatic, arctic, arthropod, bacteria, biodiversity, biological diversity, biome, biosphere, biotechnology, bird, carbon cycle, characteristic, community, coral reef , delta, depend, ecosystem, environment, estuary, exoskeleton, feature, fish, flower, flowering plant, food chain, food web, freshwater, herbivore, hydrosphere, insect, marine, microorganism, migration, ocean, ocean current, parasite, plankton, plant, preserve, protist, rain, rain forest, salt water, stream, swamp, system, tides, tropical, warm-blooded, water, wetland



    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 water, coastal plain, meander, freshwater, floodplain, estuary, mangrove, erosion, water cycle, habitat, discharge (stream), landform, elevation, bird, river, pollutant, sediment, geography, nutrients, precipitation, environment, climate, biome, pollution, stream, aquatic, natural resources, water, biological diversity, wetland, delta, algae, groundwater



    Week 1 Q1 - Water Quality:
    Lesson Questions:
    • 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?

    Key Vocabulary- Water Quality

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