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I learned that you need to know how the food chain and how nature works or else you will disrupt it. Harriet didn't really know how nature works so she killed a bunch of animals. She is a little crazy. We need to leave animals alone and let nature be what it already is.
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Biotic is something that can reproduce and stuff, and things that were once living (a corpse, poop, etc) Abiotic is something that was never alive.
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I put the alike's of Salad, Grapes, and Bread. We put it in a venn diagram.
Salad and Grapes: both come from plants
Grapes and Bread: both squishy
Bread and Salad: things are combined to make them
Salad, Grapes, Bread: They are all food -
90% of energy is lost to heat each time you go up in the food chain.
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We learned today about tons of different types of animals tha tlive in the mountains. I liked the Panda. They eat bamboo and if they have babies they have to abandon one. This is one of the reasons that they are becoming extinct.
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Today I learned that one day doesn't represent one year very well, resource wise. You might use one resource a lot, but you don't happen to use it the day you do the experiment. That would mess up how much you do it the whole year. I also learned that you use a lot more resources than you think!
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- Symmetrical or Asymmetrical
- Toys or Tools
- Bend or Not Bend
- Plastic or Not Plastic
- Colorful or Plain We had objects on a tray and we had to find different ways to classify them.
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Mr Wood's tie is orange, blue, and yellow. It has stripes and hexagons. It has an upsidown trapazoid at the top and is long and skinny at the bottom. It doesn't smell like anything. It is smooth and made of silky fabric.
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Is windiness a physical or chemical property of air?
Wind is a chemical property because it changes the air when it blows. -
How can you tell what chemical properties a substance has?
-By how it reacts to different things -
- It changes the appearance of the object.
- It doesn't form a new substance.
- Icecream will melt in the sun, but it is still the same substance it was before.
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How do you tell the difference between gaseous physical change and gaseous chemical change?
Physical-it is reversible
Chemical-it is not reversible -
- Salt makes the fire's flame turn orange.
- Cornstarch can catch fire.
- Iodine makes things look gross.
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I learned that atoms are ALWAYS moving no matter if they make up a solid or not.
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Rule for making a positive ion: put more protons than electrons
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What particle determines an ion and an isotope?
The neutron makes it an ion because it makes it more negative.
The electron makes it an isotope because it changes the mass but it is still the same atom. -
What do the columns and rows represent in the periodic table?
They represent what atoms are alike .