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Read theres a hair in my dirt and talked about unitensional human impact on ecosystems
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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.
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Worked on the venn diagram. I choose to use: sand, aluminum and glass.
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Every time you move up in a food chain you lose 90 perscent of energy
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Watched a movie about mountains and what inhabits them.
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Talked and did an assignment on what limiting factors are.
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Did an assignment on how much we use earths resources every day.
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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
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we found a object and described its physical properties. Then we talk about the differences between physical and chemical properties. My object is flammable.
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Is windiness a physical or chemical property?
It is a physical property. -
How can you tell what chemical properties a substance has?
Mix it with chemicals and see what happens. -
We continued to talk about physical and chemical properties. We also finished our fold out book-thing.
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How do lyou tell the difference between gaseous physical and chemical change?
Smell
Color
Reversability -
We experimentied with iodine, water, and vinegar when they came in contact with baking soda, corenstarch, salt, and sugar.
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We finished watching mythbusters then we talked about the history of the atom.
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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.
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What particle determines an ion and isotope?
An Ion is determined by electrons and isotopes are determined by the # of neutrons. -
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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