• Quizlet Link

    Mr. B's Quizlet

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  • Vocab Sheet

    Vocabulary Sheet

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  • Freshwater Vocab

    Vocab Words for Water

    Hydrosphere- all the water found on, above and under Earth’s surface

    Estuary- A place where freshwater from a river meets and mixes with salt water from the ocean

    Turbidity- a measure of how clear the water is

    Reservoir- A natural or artificial lake that stores water for human use

    River basin/watershed- an area of land that drains into a stream, river, lake, or other body of water

    Dissolved gases- to become part of a liquid that is unseen but present in the liquid, such as oxygen, nitrogen, carbon dioxide

    pH- a measure of how acidic or how basic a liquid is

    Nitrates- are the chemicals found in fertilizes, pesticides, and food preservatives; not good for water if water contains high amounts of it

    Phosphates- are the chemicals found in some house hold cleaners, not good for water if the water contains high amounts of it

    Bio-indicators- an organism used to monitor the health of a river, based on tolerant and intolerant organisms

    Universal Solvent- a liquid that will dissolve anything with a charge (polarity)

    Ground water - water held underground in the soil or in pores and crevices in rock

    Potability – water that is fit or suitable for drinking


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  • Earth History Vocab

    Geology Evolution Vocab

    1. Relative Dating/Age – the age of a rock or fossil when compared to another rock or fossil
    2. Absolute Dating/Age – the actual age of a rock or fossil, or how long ago it formed
    3. Law of Superposition – in undisturbed layers of sedimentary rocks, older layers of rock beneath younger rock layers
    4. Radioactive Dating – a way to measure the age of a material by comparing the amount of decayed radioactive element present in the item
    5. Half-Life – the amount of time required for half of the radioactive material to decay in an item
    6. Geology – the study of Earth’s history, processes, and structures
    7. Geologic time scale – a timeline that organizes major events in the Earth’s history
    8. Fossil – the preserved remains or evidence of an organism that lived in a past age
    9. Index fossil – a fossil that is useful for dating geologic layers because the organism only lived for a short period of time
    10. Ice core – a cylinder of ice removed from an ice sheet
    11. Intrusion- the forcing of molten rock into an earlier rock formation
    12. Extrusion – rock formation form when weathering erodes newer rock, exposing older rock
    13. Fault – a break or crack in the Earth’s surface along which movement occurs
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  • Alternative Energy Vocab

    Alternative Energy Vocabulary

    Biomass - any material from living things that can be used as an energy source

    Energy - the ability to make things move or change

    Geothermal energy - heat energy from within earth that can be used to heat buildings and produce electricity

    Hydropower - the energy of moving water

    Nonrenewable energy resource - a source of energy that is used much faster than it can be replaced by nature

    Nuclear energy - energy stored in the nucleus of an atom

    Renewable energy resource - a source of energy that can be replaced by nature as it is used or that cannot be used up

    Solar battery - a device that stores electrical energy produced by a solar cell during the day

    Solar energy - energy from the sun

    Solar reflector - a device that gathers sunlight and reflects it onto fluid-filled pipes

    Stewardship - the following of practices that protect earth's resources

    Thermal energy - the energy of the moving particles that make up all matter

    Wind energy - the energy of moving air

    Photovoltaic cell - a device that can change light energy into electricity; also called a solar cell

    Fossil fuels - a source of energy that formed from the remains of organisms that lived millions of years ago

    Global warming - a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.

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Last Modified on April 25, 2016