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In the book There's a Hair in My Dirt, there's a girl who doesn't understand the environment and messes with things she shouldn't have. She could have effected the food web in that area. We also learned that worms decompose dead things.
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Biotic: Living or made from a living thing
Abiotic:Nonliving
This picture is an example of what is biotic and abiotic in an area. -
We chose 3 items off a list and made a venn diagram about them.
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90% of energy is lost each time you move up level in a food chain.
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We watced a Planet Earth video about mountains. I learned a lot.
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We learned more about population, limiting factors, and related it to our classroom.
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We found out how much of earth's recources we use in a day. We also found out how much we use in a year.
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We took a quiz today.
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We took the quiz again.
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We watched a Planet Earth movie about Shallow Seas.
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Today we created our own creatures. I named mine Bilby Urmah.
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We learned that if a food chain isn't balanced, it will collapse.
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We divided up random items into catergories. One of them was: Shiny stuff: Water, marbles, clampy thing, and foil.
Not shiny stuff: Ball, action figure, toothpick, straw, black thing, and water squeezer. -
Physical Properties of a faucet: Shiny, wierdly shaped, silver colored, you can turn it's handles, it's hard. Chemical Properties of a faucet: not flammable, no color change, high water resistence.
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Is windiness a physical or chemical property?
Windiness is a physical property of air. -
How can you tell what chemical properties a substance has? Chemical properties can only be observed during a chemical change.
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How do you tell the difference between a gaseous physical and chemical change? You can smell it, look for color change, and see if it's the same substance.
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Things I learned today
1. When you add iodine to salt, sugar, cornstarch, and baking soda, the reactions are very different.
2. The shape of salt, sugar, cornstarch, and baking soda are not all circular
3. When you burn sugar, it smells really good! -
We learned about atoms today. The wave model is more accurate than the Bohr model.
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You must have more protons than electrons to mhave a positive ion.
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December 21 - January 3
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An electron determines an ion because an electron determines the charge. A nuetron determines an isotope because a nuetron determines the mass.
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What do the columns represent on the periodic table? The columns all have something in common about the rings around the nucleus.
