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    (Old) What's going on in class?

    UNIT OVER PLATE TECTONICS, EARTHQUAKES, AND VOLCANOES
    We have started our next (and likely final!) unit. Click on the appropriate unit in the sidebar to the right.


    Test over rocks/rock cycle will be tomorrow, Friday, 04/18/13! Click HERE to be taken to the rock page.


    MONDAY - 3/25/13 - ROCKS

    We are starting a new unit on rocks. Click on the link to the right to be taken to this unit's page.



    WEDNESDAY - 2/27/13 - WIND TURBINES

    Last week, (before our fabulous non-scheduled winter snow break), we started playing with wind turbines. Please click on the link to the right under "Current Unit" to be taken to our current wind turbine class work.
    http://www.surfaceandsurfacephotography.com/photoblog/wp-content/uploads/2010/02/9-Wind-Turbines%28pp_m1332513589_a60_pBR%29.jpg





















    WEDNESDAY - 12/5/12

    I am uploading sections of my voice recording of the textbook (Ch. 10) here. I have the first part of Section II uploaded at this point.

    SEXUAL REPRODUCTION - pg. 284-285
    Download file "Screen Recording 4.mov"


    TUESDAY - 12/4/12

    Chapter 10 PDF
    Download file "Chapter 10 Cell Reproduction.pdf"

    WEDNESDAY - 11/14/12 - TOPICS FOR FRIDAY'S TEST

    You should be sure to review your resources covering the following topics:

    Microscopes:
    • parts
    • functions of those parts
    • how to properly care for a microscope
    • how to calculate total magnification power

    Six Characteristics of life:
    - The majority of the analytical questions (writing) will come from this section so be sure you feel confident with each characteristic!
    • organization
    • reproduction
    • uses energy
    • maintains homeostasis
    • responds to the environment
    • growth & development

    Cells
    • explain the function of the following organelles: cell wall, cell membrane, nucleus, nuclear membrane, cytoplasm, golgi apparatus, ribosomes, mitochondria, vacuoles, lysosomes, endoplasmic reticulum, chloroplasts
    • identify which organelles are found in plant and animal cells
    • label these organelles in a diagram

    Flowers
    • identify the male and female parts of a flower, including: pistil, stigma, style, ovary, ovules, stamen, anther, filament
    • recognize the calyx and sepals

    Algae
    • how algae get their energy
    • alternative uses for algae
    • how algal blooms develop (i.e., conditions for overgrowth)
    • how algal blooms can be reduced

    Yeast
    • fungus (Spanish word?)
    • single or multicellular?
    • how they reproduce
    • what is fermentation and how is it related to yeast
    • where they exist
    • for extra credit, the scientific (Latin) name for baker's yeast


    MONDAY - 11/12/12 - SINGLE CELLED ORGANISMS
    Worksheet completed in class today discussing ALGAE
    Download file "ALGAE – single celled organisms.docx"




    FRIDAY - 11/2/12 - VIDEOS ABOUT PLANT & ANIMAL CELLS

    I am including the links to the videos with the (very excited!) narrator that we watched in class today. You can either watch the videos below, download them to your laptop, or click the link to go to YouTube and watch them there. Your choice.

    YouTube
    • Download file "Plant Cells_ Biology #6.mp4"
    • Download file "Eukaryopolis - The City of Animal Cells_ Biology #4.mp4"

    Watch here
    • Plant cell video:














    • Animal cell video:
















    WEDNESDAY - 10/31/12 - PARTS OF A CELL

    Are you feeling musical today on this happy Halloween? If so, go explore the music videos about the parts of cells by clicking HERE! :)



    TUESDAY - 10/30/12

    In class yesterday we discussed the six characteristics of life: growth and development, use energy, respond to environment, maintain homeostasis, reproduction, and organization. Now we are going to explore the fundamental building blocks of all living things: the cell. Today your goal is to become familiar with the parts of both an animal and plant cell. YOUR GOAL IS TO CREATE A 3-D MODEL OF A CELL FOR CLASS FOR NEXT TUESDAY, NOVEMBER 6TH.

    To help you in this task there are some resources I would like you to explore. The first would be your textbook. I emailed a PDF copy of the chapter to everyone Sunday evening, but I am also including a copy here.

    Download file "Chapter 8 Life Structure and Classification.pdf"


    The second resource is the website called "Cells Alive!." You may find it by clicking HERE. This website gives good basic information on cell structure and function.

    Animal Cell Model




















    Here is the cell function worksheet we're using in class.

    Download file "Cell Structure.dotx"





    MONDAY - 10/22/12 PARTS OF A MICROSCOPE

    I found a useful YouTube video that goes over the parts of a compound light microscope. This might be useful for you in quizzing yourself to get these parts memorized.



    Download file "Parts of a Compound Light Microscope.mp4"


    Monday - 10/8/12

    If you happened to miss class today you need to watch the video below and take notes over it. I will give you the accompanying practice problems in class tomorrow.




    Tuesday - 9/25/12

    Hi 7th graders! I am including a video that tells you how to go through the worksheet packet that Fergie will be giving you in class today. If you don't finish it expect to do this as homework and turn it in first thing on Wednesday.

















    Download file "Movie Recording 2.mov"


    Monday - 9/24/12

    Last week we worked to improve our understanding of how motion can be measured. After the pop-quiz I realized that we needed to spend just a little bit more time going over how to calculate speed and to redefine our terms. Below you will find a brief outline of key points:
    • Motion is considered a change in position. It is relative to some point of reference..
    • Motion can be measured by distance and displacement.
    • Distance is the total path traveled by an object. (Think of the tennis ball in the air and having a string trace out its path. That would be equal to the distance traveled.)
    • Displacement is the shortest distance between an object's starting and ending points as well as the direction.
    • The speed of an object is found by dividing the distance by the time. (Think if you're running a race: you know the length of the race you will be running, but you don't find out your time until after the race is finished. Therefore, distance is the dividend and goes under the division box. Time is the divisor and goes outside the division box.)
    • If you know the speed and direction an object is traveling, then you know its velocity.
    • An object is accelerating if its velocity changes somehow.
    • Because velocity has two parts to it - speed & direction - if either (or both!) of those things changes for an object then it is known to be accelerating.
    • An object that is turning continuously, like bodies in orbit in space, are constantly accelerating because they are always changing direction.
    • Acceleration can be both positive or negative. For example, if a car is slowing down as it is approaching a stoplight, it has negative acceleration.
    I am including some pages that show how to work out the story problems we designed in class and had to solve for Monday. They might help you in better understanding how to convert units.



    Friday - 9/14/12

    This week we began our unit on Motion & Newton's Laws. We have focused on understanding ways of describing motion as well as calculating speed. Next week we will begin exploring changes in speed, known as acceleration.

    We did an outside measuring activity and homework related to calculating individuals' speeds in meters/second. First we had to convert our distance measurements from feet to meters which involved learning about unit conversions. Some students have struggled with understanding that speed is found by dividing a distance measurement by a time measurement (and not the other way around).

    If you missed class at any time this week you will need to be sure to read the first section of Chapter 23 on Newton's Laws of Motion. Answering the questions at the end of that section should help ensure you are understanding the concepts. You will need to come talk with me to get the makeup worksheet you need to do instead of the lab activity, if you missed it.



    Click for full-size image
    Click for full-size image





    Monday - 9/10/12

    If you are having difficulty converting a Pages document into a PDF, this video will remind you how. It also explains how you attach files in an email so you can send it to someone.




    Download file "Screen Recording 7.mov"

    Wednesday - 8/29/12 - We are currently close to wrapping up our unit focused on the question of "what is science?" Today you completed your gallery walk of each other's cubes. I'd say that although you might not have been able to predict the bottom pattern on all of the cubes, you did an excellent job of using your skills of observation to analyze what was possible. Good job! Be ready to discuss your cubes in class tomorrow as a group.


    IF YOU MISS CLASS, YOUR LIST OF MAKEUP WORK CAN BE FOUND ON THIS MAIN PAGE.


    If you have missed school sometime between the first day of school through Wednesday, August 29th:

    • Please come check out a textbook from me. The online textbook is not working at the moment.
    • Read Chapter 1, Section 2 starting on page 12 through the end of the section "Recognize the Problem" (ending on page 14). Also read the section about the elephants on page 15.
    • Answer these questions regarding the elephants mini-storr: Why did Dr. Payne include a control group in her investigation?"; How could Dr. Payne sense the elephant sounds if they were below he range of human hearing?
    • Then answer question 2 in the "Self-Check" at the end of section 1.2 on page 18.


    -> Mrs. Ash's Main Page

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