Science P.4

By smoldering_orange

  • There's a hair in my Dirt

    Read theres a hair in my dirt and talked about unitensional human impact on ecosystems
  • Period: to

    Science

  • biotic,abiotic

    We talked about abiotic and biotic factors. if something is biotic then it is alive or came from something that was alive. Abiotic things are dead and always have been.

  • Venn Diagram

    Worked on the venn diagram. I choose to use: sand, aluminum and glass.

  • Trophic levels

    Every time you move up in a food chain you lose 90 perscent of energy

  • Mountains

    Watched a movie about mountains and what inhabits them.

  • limiting factors

    Talked and did an assignment on what limiting factors are.

  • Resources

    Did an assignment on how much we use earths resources every day.

  • Physical Properties 1

    Today we put ten items into five differnt catogories. We also took a survey about Mr. Wood. Our catogoreies were: things that float, things that have blue on them, Things that are silver, and things that are the shap of a cork

  • physical and chemical properties

    we found a object and described its physical properties. Then we talk about the differences between physical and chemical properties. My object is flammable.

  • physical and chemical properties

    Is windiness a physical or chemical property?
    It is a physical property.

  • chem/physical properties

    How can you tell what chemical properties a substance has?
    Mix it with chemicals and see what happens.

  • Physical and chemical changes

    We continued to talk about physical and chemical properties. We also finished our fold out book-thing.

  • ditto

    How do lyou tell the difference between gaseous physical and chemical change?
    Smell
    Color
    Reversability

  • Ditto

    We experimentied with iodine, water, and vinegar when they came in contact with baking soda, corenstarch, salt, and sugar.

  • Atoms

    We finished watching mythbusters then we talked about the history of the atom.

  • Atomic stucture

    We played the rock game and talked about atoms stuctures. What is a rule for making a positive ion? You must have more protons than electrons.

  • ions and Isotopesq

    What particle determines an ion and isotope?
    An Ion is determined by electrons and isotopes are determined by the # of neutrons.
  • Period: to

    science

  • periotic table

    What do the columns and rows represent on the preiotic table?
    The rows represent the number of shells on that element. The Colums are the number of atoms on the outermost shell